🪐

K2-291 b

Exoplanet Records

📊Key Properties

Host Star

K2-291

Discovery

Transit

Year

2019

Period

2.23 day

Radius

1.59 Rearth

Mass

6.49 Mearth

Eq. Temp

—

🧾Records(4 rows)

Record 1

Transit • 2019 • K2

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	21.55 deg
decstr	+21d32m53.52s	Dec [sexagesimal]
default_flag	1
disc_facility	K2	Discovery Facility
disc_instrument	Kepler CCD Array	Discovery Instrument
disc_locale	Space	Discovery Locale
disc_pubdate	2019-03	Discovery Publication Date
disc_refname	<a refstr=KOSIAREK_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....157..116K/abstract target=ref>Kosiarek et al. 2019</a>	Discovery Reference
disc_telescope	0.95 m Kepler Telescope	Discovery Telescope
disc_year	2019
discoverymethod	Transit	Discovery Method
dkin_flag	0
elat	-1.30 deg
elon	77.40 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 3409148746676599168	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 3409148746676599168	Gaia DR3 ID
glat	-11.58 deg
glon	181.18 deg
hd_name	HD 285181	HD ID
hip_name	—	HIP ID
hostname	K2-291	Host Name
htm20	752035244
ima_flag	0
micro_flag	0
obm_flag	0
pl_bmasse	6.49 Mearth
pl_bmasseerr1	1.16 Mearth
pl_bmasseerr2	-1.16 Mearth
pl_bmasselim	0
pl_bmassestr	6.49±1.16	Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj	0.02 Mjupiter
pl_bmassjerr1	3.65e-3 Mjupiter
pl_bmassjerr2	-3.65e-3 Mjupiter
pl_bmassjlim	0
pl_bmassjstr	0.0204±0.0036	Planet Mass or Mass*sin(i) [Jupiter Mass]
pl_bmassprov	Mass	Planet Mass or Mass*sin(i) Provenance
pl_cmasse	—
pl_cmasseerr1	—
pl_cmasseerr2	—
pl_cmasselim	—
pl_cmassestr	—	Planet Mass*sin(i)/sin(i) [Earth Mass]
pl_cmassj	—
pl_cmassjerr1	—
pl_cmassjerr2	—
pl_cmassjlim	—
pl_cmassjstr	—	Planet Mass*sin(i)/sin(i) [Jupiter Mass]
pl_controv_flag	0
pl_dens	8.84 g/cm**3
pl_denserr1	2.50 g/cm**3
pl_denserr2	-2.03 g/cm**3
pl_denslim	0
pl_densstr	<div><span class="supersubNumber">8.840</span><span class="superscript">+2.500</span><span class="subscript">-2.030</span></div>	Planet Density [g/cm**3]
pl_eqt	—
pl_eqterr1	—
pl_eqterr2	—
pl_eqtlim	—
pl_eqtstr	—	Equilibrium Temperature [K]
pl_imppar	0.65
pl_impparerr1	0.02
pl_impparerr2	-0.03
pl_impparlim	0
pl_impparstr	<div><span class="supersubNumber">0.646</span><span class="superscript">+0.021</span><span class="subscript">-0.026</span></div>	Impact Parameter
pl_insol	633 Searth
pl_insolerr1	59 Searth
pl_insolerr2	-56 Searth
pl_insollim	0
pl_insolstr	<div><span class="supersubNumber">633</span><span class="superscript">+59</span><span class="subscript">-56</span></div>	Insolation Flux [Earth Flux]
pl_letter	b	Planet Letter
pl_masse	6.49 Mearth
pl_masseerr1	1.16 Mearth
pl_masseerr2	-1.16 Mearth
pl_masselim	0
pl_massestr	6.49±1.16	Planet Mass [Earth Mass]
pl_massj	0.02 Mjupiter
pl_massjerr1	3.65e-3 Mjupiter
pl_massjerr2	-3.65e-3 Mjupiter
pl_massjlim	0
pl_massjstr	0.0204±0.0036	Planet Mass [Jupiter Mass]
pl_msinie	—
pl_msinieerr1	—
pl_msinieerr2	—
pl_msinielim	—
pl_msiniestr	—	Planet Mass*sin(i) [Earth Mass]
pl_msinij	—
pl_msinijerr1	—
pl_msinijerr2	—
pl_msinijlim	—
pl_msinijstr	—	Planet Mass*sin(i) [Jupiter Mass]
pl_name	K2-291 b	Planet Name
pl_ndispec	0
pl_nespec	0
pl_nnotes	0
pl_ntranspec	0
pl_occdep	—
pl_occdeperr1	—
pl_occdeperr2	—
pl_occdeplim	—
pl_occdepstr	—	Occultation Depth [%]
pl_orbeccen	0
pl_orbeccenerr1	—
pl_orbeccenerr2	—
pl_orbeccenlim	0
pl_orbeccenstr	0	Eccentricity
pl_orbincl	85.26 deg
pl_orbinclerr1	0.23 deg
pl_orbinclerr2	-0.20 deg
pl_orbincllim	0
pl_orbinclstr	<div><span class="supersubNumber">85.26</span><span class="superscript">+0.23</span><span class="subscript">-0.20</span></div>	Inclination [deg]
pl_orblper	0 deg
pl_orblpererr1	—
pl_orblpererr2	—
pl_orblperlim	0
pl_orblperstr	0	Argument of Periastron [deg]
pl_orbper	2.23 day
pl_orbpererr1	6.60e-5 day
pl_orbpererr2	-6.80e-5 day
pl_orbperlim	0
pl_orbperstr	<div><span class="supersubNumber">2.225177</span><span class="superscript">+0.000066</span><span class="subscript">-0.000068</span></div>	Orbital Period [day]
pl_orbsmax	0.03 au
pl_orbsmaxerr1	4.40e-4 au
pl_orbsmaxerr2	-4.40e-4 au
pl_orbsmaxlim	0
pl_orbsmaxstr	0.03261±0.00044	Orbit Semi-Major Axis [au]
pl_orbtper	—
pl_orbtpererr1	—
pl_orbtpererr2	—
pl_orbtperlim	—
pl_orbtperstr	—	Epoch of Periastron [day]
pl_projobliq	—
pl_projobliqerr1	—
pl_projobliqerr2	—
pl_projobliqlim	—
pl_projobliqstr	—	Projected Obliquity [deg]
pl_pubdate	2019-03	Planetary Parameter Reference Publication Date
pl_rade	1.59 Rearth
pl_radeerr1	0.10 Rearth
pl_radeerr2	-0.07 Rearth
pl_radelim	0
pl_radestr	<div><span class="supersubNumber">1.589</span><span class="superscript">+0.095</span><span class="subscript">-0.072</span></div>	Planet Radius [Earth Radius]
pl_radj	0.14 Rjupiter
pl_radjerr1	8.48e-3 Rjupiter
pl_radjerr2	-6.42e-3 Rjupiter
pl_radjlim	0
pl_radjstr	<div><span class="supersubNumber">0.1418</span><span class="superscript">+0.0085</span><span class="subscript">-0.0064</span></div>	Planet Radius [Jupiter Radius]
pl_ratdor	7.79
pl_ratdorerr1	0.10
pl_ratdorerr2	-0.10
pl_ratdorlim	0
pl_ratdorstr	<div><span class="supersubNumber">7.7942</span><span class="superscript">+0.0984</span><span class="subscript">-0.1019</span></div>	Ratio of Semi-Major Axis to Stellar Radius
pl_ratror	0.02
pl_ratrorerr1	6.20e-4
pl_ratrorerr2	-3.30e-4
pl_ratrorlim	0
pl_ratrorstr	<div><span class="supersubNumber">0.01614</span><span class="superscript">+0.00062</span><span class="subscript">-0.00033</span></div>	Ratio of Planet to Stellar Radius
pl_refname	<a refstr=KOSIAREK_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....157..116K/abstract target=ref>Kosiarek et al. 2019</a>	Planetary Parameter Reference
pl_rvamp	3.33 m/s
pl_rvamperr1	0.59 m/s
pl_rvamperr2	-0.59 m/s
pl_rvamplim	0
pl_rvampstr	3.33±0.59	Radial Velocity Amplitude [m/s]
pl_trandep	—
pl_trandeperr1	—
pl_trandeperr2	—
pl_trandeplim	—
pl_trandepstr	—	Transit Depth [%]
pl_trandur	1.72 hour
pl_trandurerr1	0.04 hour
pl_trandurerr2	-0.03 hour
pl_trandurlim	0
pl_trandurstr	<div><span class="supersubNumber">1.719</span><span class="superscript">+0.041</span><span class="subscript">-0.032</span></div>	Transit Duration [hour]
pl_tranmid	2.46e6 day
pl_tranmiderr1	9.90e-4 day
pl_tranmiderr2	-1.04e-3 day
pl_tranmidlim	0
pl_tranmidstr	<div><span class="supersubNumber">2457830.06163</span><span class="superscript">+0.00099</span><span class="subscript">-0.00104</span></div>	Time of Conjunction (Transit Midpoint) [day]
pl_trueobliq	—
pl_trueobliqerr1	—
pl_trueobliqerr2	—
pl_trueobliqlim	—
pl_trueobliqstr	—	True Obliquity [deg]
pl_tsystemref	BJD-TDB	Time Reference Frame and Standard
ptv_flag	0
pul_flag	0
ra	76.45 deg
rastr	05h05m47.03s	RA [sexagesimal]
releasedate	2019-01-24	Release Date
rowupdate	2019-01-22	Date of Last Update
rv_flag	1
soltype	Published Confirmed	Solution Type
st_age	3.72 Gyr
st_ageerr1	3.70 Gyr
st_ageerr2	-2.51 Gyr
st_agelim	0
st_agestr	<div><span class="supersubNumber">3.72</span><span class="superscript">+3.70</span><span class="subscript">-2.51</span></div>	Stellar Age [Gyr]
st_dens	—
st_denserr1	—
st_denserr2	—
st_denslim	—
st_densstr	—	Stellar Density [g/cm**3]
st_logg	4.50 log(cm/s**2)
st_loggerr1	0.05 log(cm/s**2)
st_loggerr2	-0.05 log(cm/s**2)
st_logglim	0
st_loggstr	4.50±0.05	Stellar Surface Gravity [log(cm/s**2)]
st_lum	-0.17 log(Lsun)
st_lumerr1	8.82e-3 log(Lsun)
st_lumerr2	-0.01 log(Lsun)
st_lumlim	0
st_lumstr	<div><span class="supersubNumber">-0.166</span><span class="superscript">+0.009</span><span class="subscript">-0.010</span></div>	Stellar Luminosity [log(Solar)]
st_mass	0.93 Msun
st_masserr1	0.04 Msun
st_masserr2	-0.04 Msun
st_masslim	0
st_massstr	0.934±0.038	Stellar Mass [Solar mass]
st_met	0.08 dex
st_meterr1	0.04 dex
st_meterr2	-0.05 dex
st_metlim	0
st_metratio	[Fe/H]	Stellar Metallicity Ratio
st_metstr	<div><span class="supersubNumber">0.080</span><span class="superscript">+0.040</span><span class="subscript">-0.050</span></div>	Stellar Metallicity [dex]
st_nphot	0
st_nrvc	0
st_nspec	0
st_rad	0.90 Rsun
st_raderr1	0.04 Rsun
st_raderr2	-0.03 Rsun
st_radlim	0
st_radstr	<div><span class="supersubNumber">0.899</span><span class="superscript">+0.035</span><span class="subscript">-0.033</span></div>	Stellar Radius [Solar Radius]
st_radv	25.13 km/s
st_radverr1	3.40e-3 km/s
st_radverr2	-3.50e-3 km/s
st_radvlim	0
st_radvstr	<div><span class="supersubNumber">25.1262</span><span class="superscript">+0.0034</span><span class="subscript">-0.0035</span></div>	Systemic Radial Velocity [km/s]
st_refname	<a refstr=KOSIAREK_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....157..116K/abstract target=ref>Kosiarek et al. 2019</a>	Stellar Parameter Reference
st_rotp	—
st_rotperr1	—
st_rotperr2	—
st_rotplim	—
st_rotpstr	—	Stellar Rotational Period [day]
st_spectype	—	Spectral Type
st_teff	5520 K
st_tefferr1	60 K
st_tefferr2	-60 K
st_tefflim	0
st_teffstr	5520±60	Stellar Effective Temperature [K]
st_vsin	2 km/s
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	1
st_vsinstr	<2.0	Stellar Rotational Velocity [km/s]
sy_bmag	10.83 mag
sy_bmagerr1	0.07 mag
sy_bmagerr2	-0.07 mag
sy_bmagstr	10.832±0.067	B (Johnson) Magnitude
sy_dist	90.06 pc
sy_disterr1	0.50 pc
sy_disterr2	-0.49 pc
sy_diststr	<div><span class="supersubNumber">90.0562</span><span class="superscript">+0.4953</span><span class="subscript">-0.4900</span></div>	Distance [pc]
sy_gaiamag	9.87 mag
sy_gaiamagerr1	7.10e-4 mag
sy_gaiamagerr2	-7.10e-4 mag
sy_gaiamagstr	9.86639±0.00071	Gaia Magnitude
sy_gmag	—
sy_gmagerr1	—
sy_gmagerr2	—
sy_gmagstr	—	g (Sloan) Magnitude
sy_hmag	8.41 mag
sy_hmagerr1	0.02 mag
sy_hmagerr2	-0.02 mag
sy_hmagstr	8.407±0.017	H (2MASS) Magnitude
sy_icmag	—
sy_icmagerr1	—
sy_icmagerr2	—
sy_icmagstr	—	I (Cousins) Magnitude
sy_imag	—
sy_imagerr1	—
sy_imagerr2	—
sy_imagstr	—	i (Sloan) Magnitude
sy_jmag	8.77 mag
sy_jmagerr1	0.03 mag
sy_jmagerr2	-0.03 mag
sy_jmagstr	8.765±0.032	J (2MASS) Magnitude
sy_kepmag	9.89 mag
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	9.891	Kepler Magnitude
sy_kmag	8.35 mag
sy_kmagerr1	0.02 mag
sy_kmagerr2	-0.02 mag
sy_kmagstr	8.353±0.020	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	11.08 mas
sy_plxerr1	0.06 mas
sy_plxerr2	-0.06 mas
sy_plxstr	11.0758000±0.0602907	Parallax [mas]
sy_pm	101.82 mas/yr
sy_pmdec	-97.08 mas/yr
sy_pmdecerr1	0.06 mas/yr
sy_pmdecerr2	-0.06 mas/yr
sy_pmdecstr	-97.0819000±0.0556858	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.06 mas/yr
sy_pmerr2	-0.06 mas/yr
sy_pmra	30.71 mas/yr
sy_pmraerr1	0.10 mas/yr
sy_pmraerr2	-0.10 mas/yr
sy_pmrastr	30.711500±0.097787	Proper Motion (RA) [mas/yr]
sy_pmstr	101.8238260±0.0607347	Total Proper Motion [mas/yr]
sy_pnum	1
sy_refname	<a refstr=STASSUN_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....158..138S/abstract target=ref>TICv8</a>	System Parameter Reference
sy_rmag	—
sy_rmagerr1	—
sy_rmagerr2	—
sy_rmagstr	—	r (Sloan) Magnitude
sy_snum	1
sy_tmag	9.39 mag
sy_tmagerr1	6.10e-3 mag
sy_tmagerr2	-6.10e-3 mag
sy_tmagstr	9.3928±0.0061	TESS Magnitude
sy_umag	—
sy_umagerr1	—
sy_umagerr2	—
sy_umagstr	—	u (Sloan) Magnitude
sy_vmag	10.01 mag
sy_vmagerr1	5.00e-3 mag
sy_vmagerr2	-5.00e-3 mag
sy_vmagstr	10.014±0.005	V (Johnson) Magnitude
sy_w1mag	8.29 mag
sy_w1magerr1	0.02 mag
sy_w1magerr2	-0.02 mag
sy_w1magstr	8.291±0.024	W1 (WISE) Magnitude
sy_w2mag	8.35 mag
sy_w2magerr1	0.02 mag
sy_w2magerr2	-0.02 mag
sy_w2magstr	8.346±0.021	W2 (WISE) Magnitude
sy_w3mag	8.32 mag
sy_w3magerr1	0.02 mag
sy_w3magerr2	-0.02 mag
sy_w3magstr	8.323±0.023	W3 (WISE) Magnitude
sy_w4mag	8.30 mag
sy_w4magerr1	0.33 mag
sy_w4magerr2	-0.33 mag
sy_w4magstr	8.304±0.325	W4 (WISE) Magnitude
sy_zmag	—
sy_zmagerr1	—
sy_zmagerr2	—
sy_zmagstr	—	z (Sloan) Magnitude
tic_id	TIC 27039476	TIC ID
tran_flag	1
ttv_flag	0
x	0.22
y	0.90
z	0.37

Record 2

Transit • 2019 • K2

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	21.55 deg
decstr	+21d32m53.52s	Dec [sexagesimal]
default_flag	0
disc_facility	K2	Discovery Facility
disc_instrument	Kepler CCD Array	Discovery Instrument
disc_locale	Space	Discovery Locale
disc_pubdate	2019-03	Discovery Publication Date
disc_refname	<a refstr=KOSIAREK_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....157..116K/abstract target=ref>Kosiarek et al. 2019</a>	Discovery Reference
disc_telescope	0.95 m Kepler Telescope	Discovery Telescope
disc_year	2019
discoverymethod	Transit	Discovery Method
dkin_flag	0
elat	-1.30 deg
elon	77.40 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 3409148746676599168	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 3409148746676599168	Gaia DR3 ID
glat	-11.58 deg
glon	181.18 deg
hd_name	HD 285181	HD ID
hip_name	—	HIP ID
hostname	K2-291	Host Name
htm20	752035244
ima_flag	0
micro_flag	0
obm_flag	0
pl_bmasse	—
pl_bmasseerr1	—
pl_bmasseerr2	—
pl_bmasselim	—
pl_bmassestr	—	Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj	—
pl_bmassjerr1	—
pl_bmassjerr2	—
pl_bmassjlim	—
pl_bmassjstr	—	Planet Mass or Mass*sin(i) [Jupiter Mass]
pl_bmassprov	—	Planet Mass or Mass*sin(i) Provenance
pl_cmasse	—
pl_cmasseerr1	—
pl_cmasseerr2	—
pl_cmasselim	—
pl_cmassestr	—	Planet Mass*sin(i)/sin(i) [Earth Mass]
pl_cmassj	—
pl_cmassjerr1	—
pl_cmassjerr2	—
pl_cmassjlim	—
pl_cmassjstr	—	Planet Mass*sin(i)/sin(i) [Jupiter Mass]
pl_controv_flag	0
pl_dens	—
pl_denserr1	—
pl_denserr2	—
pl_denslim	—
pl_densstr	—	Planet Density [g/cm**3]
pl_eqt	1203 K
pl_eqterr1	—
pl_eqterr2	—
pl_eqtlim	0
pl_eqtstr	1203	Equilibrium Temperature [K]
pl_imppar	—
pl_impparerr1	—
pl_impparerr2	—
pl_impparlim	—
pl_impparstr	—	Impact Parameter
pl_insol	348.60 Searth
pl_insolerr1	—
pl_insolerr2	—
pl_insollim	0
pl_insolstr	348.601	Insolation Flux [Earth Flux]
pl_letter	b	Planet Letter
pl_masse	—
pl_masseerr1	—
pl_masseerr2	—
pl_masselim	—
pl_massestr	—	Planet Mass [Earth Mass]
pl_massj	—
pl_massjerr1	—
pl_massjerr2	—
pl_massjlim	—
pl_massjstr	—	Planet Mass [Jupiter Mass]
pl_msinie	—
pl_msinieerr1	—
pl_msinieerr2	—
pl_msinielim	—
pl_msiniestr	—	Planet Mass*sin(i) [Earth Mass]
pl_msinij	—
pl_msinijerr1	—
pl_msinijerr2	—
pl_msinijlim	—
pl_msinijstr	—	Planet Mass*sin(i) [Jupiter Mass]
pl_name	K2-291 b	Planet Name
pl_ndispec	0
pl_nespec	0
pl_nnotes	0
pl_ntranspec	0
pl_occdep	—
pl_occdeperr1	—
pl_occdeperr2	—
pl_occdeplim	—
pl_occdepstr	—	Occultation Depth [%]
pl_orbeccen	—
pl_orbeccenerr1	—
pl_orbeccenerr2	—
pl_orbeccenlim	—
pl_orbeccenstr	—	Eccentricity
pl_orbincl	—
pl_orbinclerr1	—
pl_orbinclerr2	—
pl_orbincllim	—
pl_orbinclstr	—	Inclination [deg]
pl_orblper	—
pl_orblpererr1	—
pl_orblpererr2	—
pl_orblperlim	—
pl_orblperstr	—	Argument of Periastron [deg]
pl_orbper	2.23 day
pl_orbpererr1	2.44e-5 day
pl_orbpererr2	-2.44e-5 day
pl_orbperlim	0
pl_orbperstr	2.2251639±0.0000244	Orbital Period [day]
pl_orbsmax	—
pl_orbsmaxerr1	—
pl_orbsmaxerr2	—
pl_orbsmaxlim	—
pl_orbsmaxstr	—	Orbit Semi-Major Axis [au]
pl_orbtper	—
pl_orbtpererr1	—
pl_orbtpererr2	—
pl_orbtperlim	—
pl_orbtperstr	—	Epoch of Periastron [day]
pl_projobliq	—
pl_projobliqerr1	—
pl_projobliqerr2	—
pl_projobliqlim	—
pl_projobliqstr	—	Projected Obliquity [deg]
pl_pubdate	2017-07	Planetary Parameter Reference Publication Date
pl_rade	1.50 Rearth
pl_radeerr1	0.18 Rearth
pl_radeerr2	-0.18 Rearth
pl_radelim	0
pl_radestr	1.504360±0.179303	Planet Radius [Earth Radius]
pl_radj	0.13 Rjupiter
pl_radjerr1	0.02 Rjupiter
pl_radjerr2	-0.02 Rjupiter
pl_radjlim	0
pl_radjstr	0.1342102±0.0159964	Planet Radius [Jupiter Radius]
pl_ratdor	—
pl_ratdorerr1	—
pl_ratdorerr2	—
pl_ratdorlim	—
pl_ratdorstr	—	Ratio of Semi-Major Axis to Stellar Radius
pl_ratror	—
pl_ratrorerr1	—
pl_ratrorerr2	—
pl_ratrorlim	—
pl_ratrorstr	—	Ratio of Planet to Stellar Radius
pl_refname	<a refstr=EXOFOP href=https://exofop.ipac.caltech.edu/tess/view_toi.php target=ref>ExoFOP</a>	Planetary Parameter Reference
pl_rvamp	—
pl_rvamperr1	—
pl_rvamperr2	—
pl_rvamplim	—
pl_rvampstr	—	Radial Velocity Amplitude [m/s]
pl_trandep	0.03 %
pl_trandeperr1	4.79e-3 %
pl_trandeperr2	-4.79e-3 %
pl_trandeplim	0
pl_trandepstr	0.0284000±0.0047875	Transit Depth [%]
pl_trandur	1.54 hour
pl_trandurerr1	0.77 hour
pl_trandurerr2	-0.77 hour
pl_trandurlim	0
pl_trandurstr	1.545±0.772	Transit Duration [hour]
pl_tranmid	2.46e6 day
pl_tranmiderr1	0.02 day
pl_tranmiderr2	-0.02 day
pl_tranmidlim	0
pl_tranmidstr	2460257.7177160±0.0239963	Time of Conjunction (Transit Midpoint) [day]
pl_trueobliq	—
pl_trueobliqerr1	—
pl_trueobliqerr2	—
pl_trueobliqlim	—
pl_trueobliqstr	—	True Obliquity [deg]
pl_tsystemref	BJD	Time Reference Frame and Standard
ptv_flag	0
pul_flag	0
ra	76.45 deg
rastr	05h05m47.03s	RA [sexagesimal]
releasedate	2024-05-08	Release Date
rowupdate	2024-05-08	Date of Last Update
rv_flag	1
soltype	TESS Project Candidate	Solution Type
st_age	—
st_ageerr1	—
st_ageerr2	—
st_agelim	—
st_agestr	—	Stellar Age [Gyr]
st_dens	—
st_denserr1	—
st_denserr2	—
st_denslim	—
st_densstr	—	Stellar Density [g/cm**3]
st_logg	4.50 log(cm/s**2)
st_loggerr1	0.08 log(cm/s**2)
st_loggerr2	-0.08 log(cm/s**2)
st_logglim	0
st_loggstr	4.50±0.08	Stellar Surface Gravity [log(cm/s**2)]
st_lum	—
st_lumerr1	—
st_lumerr2	—
st_lumlim	—
st_lumstr	—	Stellar Luminosity [log(Solar)]
st_mass	—
st_masserr1	—
st_masserr2	—
st_masslim	—
st_massstr	—	Stellar Mass [Solar mass]
st_met	—
st_meterr1	—
st_meterr2	—
st_metlim	—
st_metratio	—	Stellar Metallicity Ratio
st_metstr	—	Stellar Metallicity [dex]
st_nphot	0
st_nrvc	0
st_nspec	0
st_rad	0.92 Rsun
st_raderr1	0.05 Rsun
st_raderr2	-0.05 Rsun
st_radlim	0
st_radstr	0.92±0.05	Stellar Radius [Solar Radius]
st_radv	—
st_radverr1	—
st_radverr2	—
st_radvlim	—
st_radvstr	—	Systemic Radial Velocity [km/s]
st_refname	<a refstr=EXOFOP href=https://exofop.ipac.caltech.edu/tess/view_toi.php target=ref>ExoFOP</a>	Stellar Parameter Reference
st_rotp	—
st_rotperr1	—
st_rotperr2	—
st_rotplim	—
st_rotpstr	—	Stellar Rotational Period [day]
st_spectype	—	Spectral Type
st_teff	5509 K
st_tefferr1	121.70 K
st_tefferr2	-121.70 K
st_tefflim	0
st_teffstr	5509.0±121.7	Stellar Effective Temperature [K]
st_vsin	—
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	—
st_vsinstr	—	Stellar Rotational Velocity [km/s]
sy_bmag	10.83 mag
sy_bmagerr1	0.07 mag
sy_bmagerr2	-0.07 mag
sy_bmagstr	10.832±0.067	B (Johnson) Magnitude
sy_dist	90.06 pc
sy_disterr1	0.50 pc
sy_disterr2	-0.49 pc
sy_diststr	<div><span class="supersubNumber">90.0562</span><span class="superscript">+0.4953</span><span class="subscript">-0.4900</span></div>	Distance [pc]
sy_gaiamag	9.87 mag
sy_gaiamagerr1	7.10e-4 mag
sy_gaiamagerr2	-7.10e-4 mag
sy_gaiamagstr	9.86639±0.00071	Gaia Magnitude
sy_gmag	—
sy_gmagerr1	—
sy_gmagerr2	—
sy_gmagstr	—	g (Sloan) Magnitude
sy_hmag	8.41 mag
sy_hmagerr1	0.02 mag
sy_hmagerr2	-0.02 mag
sy_hmagstr	8.407±0.017	H (2MASS) Magnitude
sy_icmag	—
sy_icmagerr1	—
sy_icmagerr2	—
sy_icmagstr	—	I (Cousins) Magnitude
sy_imag	—
sy_imagerr1	—
sy_imagerr2	—
sy_imagstr	—	i (Sloan) Magnitude
sy_jmag	8.77 mag
sy_jmagerr1	0.03 mag
sy_jmagerr2	-0.03 mag
sy_jmagstr	8.765±0.032	J (2MASS) Magnitude
sy_kepmag	9.89 mag
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	9.891	Kepler Magnitude
sy_kmag	8.35 mag
sy_kmagerr1	0.02 mag
sy_kmagerr2	-0.02 mag
sy_kmagstr	8.353±0.020	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	11.08 mas
sy_plxerr1	0.06 mas
sy_plxerr2	-0.06 mas
sy_plxstr	11.0758000±0.0602907	Parallax [mas]
sy_pm	101.82 mas/yr
sy_pmdec	-97.08 mas/yr
sy_pmdecerr1	0.06 mas/yr
sy_pmdecerr2	-0.06 mas/yr
sy_pmdecstr	-97.0819000±0.0556858	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.06 mas/yr
sy_pmerr2	-0.06 mas/yr
sy_pmra	30.71 mas/yr
sy_pmraerr1	0.10 mas/yr
sy_pmraerr2	-0.10 mas/yr
sy_pmrastr	30.711500±0.097787	Proper Motion (RA) [mas/yr]
sy_pmstr	101.8238260±0.0607347	Total Proper Motion [mas/yr]
sy_pnum	1
sy_refname	<a refstr=STASSUN_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....158..138S/abstract target=ref>TICv8</a>	System Parameter Reference
sy_rmag	—
sy_rmagerr1	—
sy_rmagerr2	—
sy_rmagstr	—	r (Sloan) Magnitude
sy_snum	1
sy_tmag	9.39 mag
sy_tmagerr1	6.10e-3 mag
sy_tmagerr2	-6.10e-3 mag
sy_tmagstr	9.3928±0.0061	TESS Magnitude
sy_umag	—
sy_umagerr1	—
sy_umagerr2	—
sy_umagstr	—	u (Sloan) Magnitude
sy_vmag	10.01 mag
sy_vmagerr1	5.00e-3 mag
sy_vmagerr2	-5.00e-3 mag
sy_vmagstr	10.014±0.005	V (Johnson) Magnitude
sy_w1mag	8.29 mag
sy_w1magerr1	0.02 mag
sy_w1magerr2	-0.02 mag
sy_w1magstr	8.291±0.024	W1 (WISE) Magnitude
sy_w2mag	8.35 mag
sy_w2magerr1	0.02 mag
sy_w2magerr2	-0.02 mag
sy_w2magstr	8.346±0.021	W2 (WISE) Magnitude
sy_w3mag	8.32 mag
sy_w3magerr1	0.02 mag
sy_w3magerr2	-0.02 mag
sy_w3magstr	8.323±0.023	W3 (WISE) Magnitude
sy_w4mag	8.30 mag
sy_w4magerr1	0.33 mag
sy_w4magerr2	-0.33 mag
sy_w4magstr	8.304±0.325	W4 (WISE) Magnitude
sy_zmag	—
sy_zmagerr1	—
sy_zmagerr2	—
sy_zmagstr	—	z (Sloan) Magnitude
tic_id	TIC 27039476	TIC ID
tran_flag	1
ttv_flag	0
x	0.22
y	0.90
z	0.37

Record 3

Transit • 2019 • K2

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	21.55 deg
decstr	+21d32m53.52s	Dec [sexagesimal]
default_flag	0
disc_facility	K2	Discovery Facility
disc_instrument	Kepler CCD Array	Discovery Instrument
disc_locale	Space	Discovery Locale
disc_pubdate	2019-03	Discovery Publication Date
disc_refname	<a refstr=KOSIAREK_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....157..116K/abstract target=ref>Kosiarek et al. 2019</a>	Discovery Reference
disc_telescope	0.95 m Kepler Telescope	Discovery Telescope
disc_year	2019
discoverymethod	Transit	Discovery Method
dkin_flag	0
elat	-1.30 deg
elon	77.40 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 3409148746676599168	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 3409148746676599168	Gaia DR3 ID
glat	-11.58 deg
glon	181.18 deg
hd_name	HD 285181	HD ID
hip_name	—	HIP ID
hostname	K2-291	Host Name
htm20	752035244
ima_flag	0
micro_flag	0
obm_flag	0
pl_bmasse	6.40 Mearth
pl_bmasseerr1	1.10 Mearth
pl_bmasseerr2	-1.10 Mearth
pl_bmasselim	0
pl_bmassestr	6.4±1.1	Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj	0.02 Mjupiter
pl_bmassjerr1	3.46e-3 Mjupiter
pl_bmassjerr2	-3.46e-3 Mjupiter
pl_bmassjlim	0
pl_bmassjstr	0.020±0.003	Planet Mass or Mass*sin(i) [Jupiter Mass]
pl_bmassprov	Mass	Planet Mass or Mass*sin(i) Provenance
pl_cmasse	—
pl_cmasseerr1	—
pl_cmasseerr2	—
pl_cmasselim	—
pl_cmassestr	—	Planet Mass*sin(i)/sin(i) [Earth Mass]
pl_cmassj	—
pl_cmassjerr1	—
pl_cmassjerr2	—
pl_cmassjlim	—
pl_cmassjstr	—	Planet Mass*sin(i)/sin(i) [Jupiter Mass]
pl_controv_flag	0
pl_dens	8.90 g/cm**3
pl_denserr1	2.20 g/cm**3
pl_denserr2	-2.30 g/cm**3
pl_denslim	0
pl_densstr	<div><span class="supersubNumber">8.90</span><span class="superscript">+2.20</span><span class="subscript">-2.30</span></div>	Planet Density [g/cm**3]
pl_eqt	—
pl_eqterr1	—
pl_eqterr2	—
pl_eqtlim	—
pl_eqtstr	—	Equilibrium Temperature [K]
pl_imppar	—
pl_impparerr1	—
pl_impparerr2	—
pl_impparlim	—
pl_impparstr	—	Impact Parameter
pl_insol	—
pl_insolerr1	—
pl_insolerr2	—
pl_insollim	—
pl_insolstr	—	Insolation Flux [Earth Flux]
pl_letter	b	Planet Letter
pl_masse	6.40 Mearth
pl_masseerr1	1.10 Mearth
pl_masseerr2	-1.10 Mearth
pl_masselim	0
pl_massestr	6.4±1.1	Planet Mass [Earth Mass]
pl_massj	0.02 Mjupiter
pl_massjerr1	3.46e-3 Mjupiter
pl_massjerr2	-3.46e-3 Mjupiter
pl_massjlim	0
pl_massjstr	0.020±0.003	Planet Mass [Jupiter Mass]
pl_msinie	—
pl_msinieerr1	—
pl_msinieerr2	—
pl_msinielim	—
pl_msiniestr	—	Planet Mass*sin(i) [Earth Mass]
pl_msinij	—
pl_msinijerr1	—
pl_msinijerr2	—
pl_msinijlim	—
pl_msinijstr	—	Planet Mass*sin(i) [Jupiter Mass]
pl_name	K2-291 b	Planet Name
pl_ndispec	0
pl_nespec	0
pl_nnotes	0
pl_ntranspec	0
pl_occdep	—
pl_occdeperr1	—
pl_occdeperr2	—
pl_occdeplim	—
pl_occdepstr	—	Occultation Depth [%]
pl_orbeccen	—
pl_orbeccenerr1	—
pl_orbeccenerr2	—
pl_orbeccenlim	—
pl_orbeccenstr	—	Eccentricity
pl_orbincl	—
pl_orbinclerr1	—
pl_orbinclerr2	—
pl_orbincllim	—
pl_orbinclstr	—	Inclination [deg]
pl_orblper	—
pl_orblpererr1	—
pl_orblpererr2	—
pl_orblperlim	—
pl_orblperstr	—	Argument of Periastron [deg]
pl_orbper	2.23 day
pl_orbpererr1	—
pl_orbpererr2	—
pl_orbperlim	0
pl_orbperstr	2.225	Orbital Period [day]
pl_orbsmax	—
pl_orbsmaxerr1	—
pl_orbsmaxerr2	—
pl_orbsmaxlim	—
pl_orbsmaxstr	—	Orbit Semi-Major Axis [au]
pl_orbtper	—
pl_orbtpererr1	—
pl_orbtpererr2	—
pl_orbtperlim	—
pl_orbtperstr	—	Epoch of Periastron [day]
pl_projobliq	—
pl_projobliqerr1	—
pl_projobliqerr2	—
pl_projobliqlim	—
pl_projobliqstr	—	Projected Obliquity [deg]
pl_pubdate	2019-09	Planetary Parameter Reference Publication Date
pl_rade	1.58 Rearth
pl_radeerr1	0.04 Rearth
pl_radeerr2	-0.04 Rearth
pl_radelim	0
pl_radestr	<div><span class="supersubNumber">1.582</span><span class="superscript">+0.037</span><span class="subscript">-0.042</span></div>	Planet Radius [Earth Radius]
pl_radj	0.14 Rjupiter
pl_radjerr1	3.30e-3 Rjupiter
pl_radjerr2	-3.75e-3 Rjupiter
pl_radjlim	0
pl_radjstr	<div><span class="supersubNumber">0.1411</span><span class="superscript">+0.0033</span><span class="subscript">-0.0037</span></div>	Planet Radius [Jupiter Radius]
pl_ratdor	—
pl_ratdorerr1	—
pl_ratdorerr2	—
pl_ratdorlim	—
pl_ratdorstr	—	Ratio of Semi-Major Axis to Stellar Radius
pl_ratror	0.02
pl_ratrorerr1	3.10e-4
pl_ratrorerr2	-3.70e-4
pl_ratrorlim	0
pl_ratrorstr	<div><span class="supersubNumber">0.01603</span><span class="superscript">+0.00031</span><span class="subscript">-0.00037</span></div>	Ratio of Planet to Stellar Radius
pl_refname	<a refstr=DAI_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019ApJ...883...79D/abstract target=ref>Dai et al. 2019</a>	Planetary Parameter Reference
pl_rvamp	3.31 m/s
pl_rvamperr1	0.56 m/s
pl_rvamperr2	-0.56 m/s
pl_rvamplim	0
pl_rvampstr	3.31±0.56	Radial Velocity Amplitude [m/s]
pl_trandep	—
pl_trandeperr1	—
pl_trandeperr2	—
pl_trandeplim	—
pl_trandepstr	—	Transit Depth [%]
pl_trandur	—
pl_trandurerr1	—
pl_trandurerr2	—
pl_trandurlim	—
pl_trandurstr	—	Transit Duration [hour]
pl_tranmid	—
pl_tranmiderr1	—
pl_tranmiderr2	—
pl_tranmidlim	—
pl_tranmidstr	—	Time of Conjunction (Transit Midpoint) [day]
pl_trueobliq	—
pl_trueobliqerr1	—
pl_trueobliqerr2	—
pl_trueobliqlim	—
pl_trueobliqstr	—	True Obliquity [deg]
pl_tsystemref	—	Time Reference Frame and Standard
ptv_flag	0
pul_flag	0
ra	76.45 deg
rastr	05h05m47.03s	RA [sexagesimal]
releasedate	2019-08-29	Release Date
rowupdate	2019-08-23	Date of Last Update
rv_flag	1
soltype	Published Confirmed	Solution Type
st_age	—
st_ageerr1	—
st_ageerr2	—
st_agelim	—
st_agestr	—	Stellar Age [Gyr]
st_dens	1.77 g/cm**3
st_denserr1	0.13 g/cm**3
st_denserr2	-0.14 g/cm**3
st_denslim	0
st_densstr	<div><span class="supersubNumber">1.77</span><span class="superscript">+0.13</span><span class="subscript">-0.14</span></div>	Stellar Density [g/cm**3]
st_logg	4.50 log(cm/s**2)
st_loggerr1	0.05 log(cm/s**2)
st_loggerr2	-0.05 log(cm/s**2)
st_logglim	0
st_loggstr	4.50±0.05	Stellar Surface Gravity [log(cm/s**2)]
st_lum	—
st_lumerr1	—
st_lumerr2	—
st_lumlim	—
st_lumstr	—	Stellar Luminosity [log(Solar)]
st_mass	0.93 Msun
st_masserr1	0.05 Msun
st_masserr2	-0.05 Msun
st_masslim	0
st_massstr	<div><span class="supersubNumber">0.926</span><span class="superscript">+0.046</span><span class="subscript">-0.048</span></div>	Stellar Mass [Solar mass]
st_met	0.08 dex
st_meterr1	0.04 dex
st_meterr2	-0.04 dex
st_metlim	0
st_metratio	[Fe/H]	Stellar Metallicity Ratio
st_metstr	0.080±0.040	Stellar Metallicity [dex]
st_nphot	0
st_nrvc	0
st_nspec	0
st_rad	0.90 Rsun
st_raderr1	0.01 Rsun
st_raderr2	-0.01 Rsun
st_radlim	0
st_radstr	0.904±0.012	Stellar Radius [Solar Radius]
st_radv	—
st_radverr1	—
st_radverr2	—
st_radvlim	—
st_radvstr	—	Systemic Radial Velocity [km/s]
st_refname	<a refstr=DAI_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019ApJ...883...79D/abstract target=ref>Dai et al. 2019</a>	Stellar Parameter Reference
st_rotp	—
st_rotperr1	—
st_rotperr2	—
st_rotplim	—
st_rotpstr	—	Stellar Rotational Period [day]
st_spectype	—	Spectral Type
st_teff	5520 K
st_tefferr1	60 K
st_tefferr2	-60 K
st_tefflim	0
st_teffstr	5520±60	Stellar Effective Temperature [K]
st_vsin	—
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	—
st_vsinstr	—	Stellar Rotational Velocity [km/s]
sy_bmag	10.83 mag
sy_bmagerr1	0.07 mag
sy_bmagerr2	-0.07 mag
sy_bmagstr	10.832±0.067	B (Johnson) Magnitude
sy_dist	90.06 pc
sy_disterr1	0.50 pc
sy_disterr2	-0.49 pc
sy_diststr	<div><span class="supersubNumber">90.0562</span><span class="superscript">+0.4953</span><span class="subscript">-0.4900</span></div>	Distance [pc]
sy_gaiamag	9.87 mag
sy_gaiamagerr1	7.10e-4 mag
sy_gaiamagerr2	-7.10e-4 mag
sy_gaiamagstr	9.86639±0.00071	Gaia Magnitude
sy_gmag	—
sy_gmagerr1	—
sy_gmagerr2	—
sy_gmagstr	—	g (Sloan) Magnitude
sy_hmag	8.41 mag
sy_hmagerr1	0.02 mag
sy_hmagerr2	-0.02 mag
sy_hmagstr	8.407±0.017	H (2MASS) Magnitude
sy_icmag	—
sy_icmagerr1	—
sy_icmagerr2	—
sy_icmagstr	—	I (Cousins) Magnitude
sy_imag	—
sy_imagerr1	—
sy_imagerr2	—
sy_imagstr	—	i (Sloan) Magnitude
sy_jmag	8.77 mag
sy_jmagerr1	0.03 mag
sy_jmagerr2	-0.03 mag
sy_jmagstr	8.765±0.032	J (2MASS) Magnitude
sy_kepmag	9.89 mag
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	9.891	Kepler Magnitude
sy_kmag	8.35 mag
sy_kmagerr1	0.02 mag
sy_kmagerr2	-0.02 mag
sy_kmagstr	8.353±0.020	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	11.08 mas
sy_plxerr1	0.06 mas
sy_plxerr2	-0.06 mas
sy_plxstr	11.0758000±0.0602907	Parallax [mas]
sy_pm	101.82 mas/yr
sy_pmdec	-97.08 mas/yr
sy_pmdecerr1	0.06 mas/yr
sy_pmdecerr2	-0.06 mas/yr
sy_pmdecstr	-97.0819000±0.0556858	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.06 mas/yr
sy_pmerr2	-0.06 mas/yr
sy_pmra	30.71 mas/yr
sy_pmraerr1	0.10 mas/yr
sy_pmraerr2	-0.10 mas/yr
sy_pmrastr	30.711500±0.097787	Proper Motion (RA) [mas/yr]
sy_pmstr	101.8238260±0.0607347	Total Proper Motion [mas/yr]
sy_pnum	1
sy_refname	<a refstr=STASSUN_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....158..138S/abstract target=ref>TICv8</a>	System Parameter Reference
sy_rmag	—
sy_rmagerr1	—
sy_rmagerr2	—
sy_rmagstr	—	r (Sloan) Magnitude
sy_snum	1
sy_tmag	9.39 mag
sy_tmagerr1	6.10e-3 mag
sy_tmagerr2	-6.10e-3 mag
sy_tmagstr	9.3928±0.0061	TESS Magnitude
sy_umag	—
sy_umagerr1	—
sy_umagerr2	—
sy_umagstr	—	u (Sloan) Magnitude
sy_vmag	10.01 mag
sy_vmagerr1	5.00e-3 mag
sy_vmagerr2	-5.00e-3 mag
sy_vmagstr	10.014±0.005	V (Johnson) Magnitude
sy_w1mag	8.29 mag
sy_w1magerr1	0.02 mag
sy_w1magerr2	-0.02 mag
sy_w1magstr	8.291±0.024	W1 (WISE) Magnitude
sy_w2mag	8.35 mag
sy_w2magerr1	0.02 mag
sy_w2magerr2	-0.02 mag
sy_w2magstr	8.346±0.021	W2 (WISE) Magnitude
sy_w3mag	8.32 mag
sy_w3magerr1	0.02 mag
sy_w3magerr2	-0.02 mag
sy_w3magstr	8.323±0.023	W3 (WISE) Magnitude
sy_w4mag	8.30 mag
sy_w4magerr1	0.33 mag
sy_w4magerr2	-0.33 mag
sy_w4magstr	8.304±0.325	W4 (WISE) Magnitude
sy_zmag	—
sy_zmagerr1	—
sy_zmagerr2	—
sy_zmagstr	—	z (Sloan) Magnitude
tic_id	TIC 27039476	TIC ID
tran_flag	1
ttv_flag	0
x	0.22
y	0.90
z	0.37

Record 4

Transit • 2019 • K2

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	21.55 deg
decstr	+21d32m53.52s	Dec [sexagesimal]
default_flag	0
disc_facility	K2	Discovery Facility
disc_instrument	Kepler CCD Array	Discovery Instrument
disc_locale	Space	Discovery Locale
disc_pubdate	2019-03	Discovery Publication Date
disc_refname	<a refstr=KOSIAREK_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....157..116K/abstract target=ref>Kosiarek et al. 2019</a>	Discovery Reference
disc_telescope	0.95 m Kepler Telescope	Discovery Telescope
disc_year	2019
discoverymethod	Transit	Discovery Method
dkin_flag	0
elat	-1.30 deg
elon	77.40 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 3409148746676599168	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 3409148746676599168	Gaia DR3 ID
glat	-11.58 deg
glon	181.18 deg
hd_name	HD 285181	HD ID
hip_name	—	HIP ID
hostname	K2-291	Host Name
htm20	752035244
ima_flag	0
micro_flag	0
obm_flag	0
pl_bmasse	6.49 Mearth
pl_bmasseerr1	1.16 Mearth
pl_bmasseerr2	-1.16 Mearth
pl_bmasselim	0
pl_bmassestr	6.49±1.16	Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj	0.02 Mjupiter
pl_bmassjerr1	3.65e-3 Mjupiter
pl_bmassjerr2	-3.65e-3 Mjupiter
pl_bmassjlim	0
pl_bmassjstr	0.0204±0.0036	Planet Mass or Mass*sin(i) [Jupiter Mass]
pl_bmassprov	Mass	Planet Mass or Mass*sin(i) Provenance
pl_cmasse	—
pl_cmasseerr1	—
pl_cmasseerr2	—
pl_cmasselim	—
pl_cmassestr	—	Planet Mass*sin(i)/sin(i) [Earth Mass]
pl_cmassj	—
pl_cmassjerr1	—
pl_cmassjerr2	—
pl_cmassjlim	—
pl_cmassjstr	—	Planet Mass*sin(i)/sin(i) [Jupiter Mass]
pl_controv_flag	0
pl_dens	8.84 g/cm**3
pl_denserr1	2.50 g/cm**3
pl_denserr2	-2.03 g/cm**3
pl_denslim	0
pl_densstr	<div><span class="supersubNumber">8.840</span><span class="superscript">+2.500</span><span class="subscript">-2.030</span></div>	Planet Density [g/cm**3]
pl_eqt	1278 K
pl_eqterr1	30 K
pl_eqterr2	-30 K
pl_eqtlim	0
pl_eqtstr	1278.0±30.0	Equilibrium Temperature [K]
pl_imppar	—
pl_impparerr1	—
pl_impparerr2	—
pl_impparlim	—
pl_impparstr	—	Impact Parameter
pl_insol	633 Searth
pl_insolerr1	59 Searth
pl_insolerr2	-56 Searth
pl_insollim	0
pl_insolstr	<div><span class="supersubNumber">633.0</span><span class="superscript">+59.0</span><span class="subscript">-56.0</span></div>	Insolation Flux [Earth Flux]
pl_letter	b	Planet Letter
pl_masse	6.49 Mearth
pl_masseerr1	1.16 Mearth
pl_masseerr2	-1.16 Mearth
pl_masselim	0
pl_massestr	6.49±1.16	Planet Mass [Earth Mass]
pl_massj	0.02 Mjupiter
pl_massjerr1	3.65e-3 Mjupiter
pl_massjerr2	-3.65e-3 Mjupiter
pl_massjlim	0
pl_massjstr	0.0204±0.0036	Planet Mass [Jupiter Mass]
pl_msinie	—
pl_msinieerr1	—
pl_msinieerr2	—
pl_msinielim	—
pl_msiniestr	—	Planet Mass*sin(i) [Earth Mass]
pl_msinij	—
pl_msinijerr1	—
pl_msinijerr2	—
pl_msinijlim	—
pl_msinijstr	—	Planet Mass*sin(i) [Jupiter Mass]
pl_name	K2-291 b	Planet Name
pl_ndispec	0
pl_nespec	0
pl_nnotes	0
pl_ntranspec	0
pl_occdep	—
pl_occdeperr1	—
pl_occdeperr2	—
pl_occdeplim	—
pl_occdepstr	—	Occultation Depth [%]
pl_orbeccen	—
pl_orbeccenerr1	—
pl_orbeccenerr2	—
pl_orbeccenlim	—
pl_orbeccenstr	—	Eccentricity
pl_orbincl	—
pl_orbinclerr1	—
pl_orbinclerr2	—
pl_orbincllim	—
pl_orbinclstr	—	Inclination [deg]
pl_orblper	—
pl_orblpererr1	—
pl_orblpererr2	—
pl_orblperlim	—
pl_orblperstr	—	Argument of Periastron [deg]
pl_orbper	2.23 day
pl_orbpererr1	6.60e-5 day
pl_orbpererr2	-6.80e-5 day
pl_orbperlim	0
pl_orbperstr	<div><span class="supersubNumber">2.225177</span><span class="superscript">+0.000066</span><span class="subscript">-0.000068</span></div>	Orbital Period [day]
pl_orbsmax	—
pl_orbsmaxerr1	—
pl_orbsmaxerr2	—
pl_orbsmaxlim	—
pl_orbsmaxstr	—	Orbit Semi-Major Axis [au]
pl_orbtper	—
pl_orbtpererr1	—
pl_orbtpererr2	—
pl_orbtperlim	—
pl_orbtperstr	—	Epoch of Periastron [day]
pl_projobliq	—
pl_projobliqerr1	—
pl_projobliqerr2	—
pl_projobliqlim	—
pl_projobliqstr	—	Projected Obliquity [deg]
pl_pubdate	2025-06	Planetary Parameter Reference Publication Date
pl_rade	1.59 Rearth
pl_radeerr1	0.10 Rearth
pl_radeerr2	-0.07 Rearth
pl_radelim	0
pl_radestr	<div><span class="supersubNumber">1.589</span><span class="superscript">+0.095</span><span class="subscript">-0.072</span></div>	Planet Radius [Earth Radius]
pl_radj	0.14 Rjupiter
pl_radjerr1	8.48e-3 Rjupiter
pl_radjerr2	-6.42e-3 Rjupiter
pl_radjlim	0
pl_radjstr	<div><span class="supersubNumber">0.1418</span><span class="superscript">+0.0085</span><span class="subscript">-0.0064</span></div>	Planet Radius [Jupiter Radius]
pl_ratdor	—
pl_ratdorerr1	—
pl_ratdorerr2	—
pl_ratdorlim	—
pl_ratdorstr	—	Ratio of Semi-Major Axis to Stellar Radius
pl_ratror	—
pl_ratrorerr1	—
pl_ratrorerr2	—
pl_ratrorlim	—
pl_ratrorstr	—	Ratio of Planet to Stellar Radius
pl_refname	<a refstr=HOWARD_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025ApJS..278...52H/abstract target=ref>Howard et al. 2025</a>	Planetary Parameter Reference
pl_rvamp	—
pl_rvamperr1	—
pl_rvamperr2	—
pl_rvamplim	—
pl_rvampstr	—	Radial Velocity Amplitude [m/s]
pl_trandep	—
pl_trandeperr1	—
pl_trandeperr2	—
pl_trandeplim	—
pl_trandepstr	—	Transit Depth [%]
pl_trandur	—
pl_trandurerr1	—
pl_trandurerr2	—
pl_trandurlim	—
pl_trandurstr	—	Transit Duration [hour]
pl_tranmid	2.46e6 day
pl_tranmiderr1	9.90e-4 day
pl_tranmiderr2	-1.04e-3 day
pl_tranmidlim	0
pl_tranmidstr	<div><span class="supersubNumber">2457830.06163</span><span class="superscript">+0.00099</span><span class="subscript">-0.00104</span></div>	Time of Conjunction (Transit Midpoint) [day]
pl_trueobliq	—
pl_trueobliqerr1	—
pl_trueobliqerr2	—
pl_trueobliqlim	—
pl_trueobliqstr	—	True Obliquity [deg]
pl_tsystemref	BJD	Time Reference Frame and Standard
ptv_flag	0
pul_flag	0
ra	76.45 deg
rastr	05h05m47.03s	RA [sexagesimal]
releasedate	2025-09-17	Release Date
rowupdate	2025-09-17	Date of Last Update
rv_flag	1
soltype	Published Confirmed	Solution Type
st_age	—
st_ageerr1	—
st_ageerr2	—
st_agelim	—
st_agestr	—	Stellar Age [Gyr]
st_dens	—
st_denserr1	—
st_denserr2	—
st_denslim	—
st_densstr	—	Stellar Density [g/cm**3]
st_logg	4.50 log(cm/s**2)
st_loggerr1	0.05 log(cm/s**2)
st_loggerr2	-0.05 log(cm/s**2)
st_logglim	0
st_loggstr	4.50±0.05	Stellar Surface Gravity [log(cm/s**2)]
st_lum	—
st_lumerr1	—
st_lumerr2	—
st_lumlim	—
st_lumstr	—	Stellar Luminosity [log(Solar)]
st_mass	0.93 Msun
st_masserr1	0.04 Msun
st_masserr2	-0.04 Msun
st_masslim	0
st_massstr	0.934±0.038	Stellar Mass [Solar mass]
st_met	0.08 dex
st_meterr1	0.04 dex
st_meterr2	-0.04 dex
st_metlim	0
st_metratio	[Fe/H]	Stellar Metallicity Ratio
st_metstr	0.080±0.040	Stellar Metallicity [dex]
st_nphot	0
st_nrvc	0
st_nspec	0
st_rad	0.93 Rsun
st_raderr1	0.04 Rsun
st_raderr2	-0.04 Rsun
st_radlim	0
st_radstr	0.934±0.038	Stellar Radius [Solar Radius]
st_radv	—
st_radverr1	—
st_radverr2	—
st_radvlim	—
st_radvstr	—	Systemic Radial Velocity [km/s]
st_refname	<a refstr=HOWARD_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025ApJS..278...52H/abstract target=ref>Howard et al. 2025</a>	Stellar Parameter Reference
st_rotp	—
st_rotperr1	—
st_rotperr2	—
st_rotplim	—
st_rotpstr	—	Stellar Rotational Period [day]
st_spectype	—	Spectral Type
st_teff	5520 K
st_tefferr1	60 K
st_tefferr2	-60 K
st_tefflim	0
st_teffstr	5520.0±60.0	Stellar Effective Temperature [K]
st_vsin	—
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	—
st_vsinstr	—	Stellar Rotational Velocity [km/s]
sy_bmag	10.83 mag
sy_bmagerr1	0.07 mag
sy_bmagerr2	-0.07 mag
sy_bmagstr	10.832±0.067	B (Johnson) Magnitude
sy_dist	90.06 pc
sy_disterr1	0.50 pc
sy_disterr2	-0.49 pc
sy_diststr	<div><span class="supersubNumber">90.0562</span><span class="superscript">+0.4953</span><span class="subscript">-0.4900</span></div>	Distance [pc]
sy_gaiamag	9.87 mag
sy_gaiamagerr1	7.10e-4 mag
sy_gaiamagerr2	-7.10e-4 mag
sy_gaiamagstr	9.86639±0.00071	Gaia Magnitude
sy_gmag	—
sy_gmagerr1	—
sy_gmagerr2	—
sy_gmagstr	—	g (Sloan) Magnitude
sy_hmag	8.41 mag
sy_hmagerr1	0.02 mag
sy_hmagerr2	-0.02 mag
sy_hmagstr	8.407±0.017	H (2MASS) Magnitude
sy_icmag	—
sy_icmagerr1	—
sy_icmagerr2	—
sy_icmagstr	—	I (Cousins) Magnitude
sy_imag	—
sy_imagerr1	—
sy_imagerr2	—
sy_imagstr	—	i (Sloan) Magnitude
sy_jmag	8.77 mag
sy_jmagerr1	0.03 mag
sy_jmagerr2	-0.03 mag
sy_jmagstr	8.765±0.032	J (2MASS) Magnitude
sy_kepmag	9.89 mag
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	9.891	Kepler Magnitude
sy_kmag	8.35 mag
sy_kmagerr1	0.02 mag
sy_kmagerr2	-0.02 mag
sy_kmagstr	8.353±0.020	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	11.08 mas
sy_plxerr1	0.06 mas
sy_plxerr2	-0.06 mas
sy_plxstr	11.0758000±0.0602907	Parallax [mas]
sy_pm	101.82 mas/yr
sy_pmdec	-97.08 mas/yr
sy_pmdecerr1	0.06 mas/yr
sy_pmdecerr2	-0.06 mas/yr
sy_pmdecstr	-97.0819000±0.0556858	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.06 mas/yr
sy_pmerr2	-0.06 mas/yr
sy_pmra	30.71 mas/yr
sy_pmraerr1	0.10 mas/yr
sy_pmraerr2	-0.10 mas/yr
sy_pmrastr	30.711500±0.097787	Proper Motion (RA) [mas/yr]
sy_pmstr	101.8238260±0.0607347	Total Proper Motion [mas/yr]
sy_pnum	1
sy_refname	<a refstr=STASSUN_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....158..138S/abstract target=ref>TICv8</a>	System Parameter Reference
sy_rmag	—
sy_rmagerr1	—
sy_rmagerr2	—
sy_rmagstr	—	r (Sloan) Magnitude
sy_snum	1
sy_tmag	9.39 mag
sy_tmagerr1	6.10e-3 mag
sy_tmagerr2	-6.10e-3 mag
sy_tmagstr	9.3928±0.0061	TESS Magnitude
sy_umag	—
sy_umagerr1	—
sy_umagerr2	—
sy_umagstr	—	u (Sloan) Magnitude
sy_vmag	10.01 mag
sy_vmagerr1	5.00e-3 mag
sy_vmagerr2	-5.00e-3 mag
sy_vmagstr	10.014±0.005	V (Johnson) Magnitude
sy_w1mag	8.29 mag
sy_w1magerr1	0.02 mag
sy_w1magerr2	-0.02 mag
sy_w1magstr	8.291±0.024	W1 (WISE) Magnitude
sy_w2mag	8.35 mag
sy_w2magerr1	0.02 mag
sy_w2magerr2	-0.02 mag
sy_w2magstr	8.346±0.021	W2 (WISE) Magnitude
sy_w3mag	8.32 mag
sy_w3magerr1	0.02 mag
sy_w3magerr2	-0.02 mag
sy_w3magstr	8.323±0.023	W3 (WISE) Magnitude
sy_w4mag	8.30 mag
sy_w4magerr1	0.33 mag
sy_w4magerr2	-0.33 mag
sy_w4magstr	8.304±0.325	W4 (WISE) Magnitude
sy_zmag	—
sy_zmagerr1	—
sy_zmagerr2	—
sy_zmagstr	—	z (Sloan) Magnitude
tic_id	TIC 27039476	TIC ID
tran_flag	1
ttv_flag	0
x	0.22
y	0.90
z	0.37