🪐

NGTS-15 b

Exoplanet Records

📊Key Properties

Host Star

NGTS-15

Discovery

Transit

Year

2021

Period

3.28 day

Radius

12.33 Rearth

Mass

238.69 Mearth

Eq. Temp

1146 K

🧾Records(1 rows)

Record 1

Transit • 2021 • Next-Generation Transit Survey (NGTS)

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	-32.80 deg
decstr	-32d48m01.25s	Dec [sexagesimal]
default_flag	1
disc_facility	Next-Generation Transit Survey (NGTS)	Discovery Facility
disc_instrument	NGTS CCD array	Discovery Instrument
disc_locale	Ground	Discovery Locale
disc_pubdate	2021-03	Discovery Publication Date
disc_refname	<a refstr=TILBROOK_ET_AL__2021 href=https://ui.adsabs.harvard.edu/abs/2021MNRAS.tmp..893T/abstract target=ref>Tilbrook et al. 2021</a>	Discovery Reference
disc_telescope	20 cm NGTS telescope	Discovery Telescope
disc_year	2021
discoverymethod	Transit	Discovery Method
dkin_flag	0
elat	-54.82 deg
elon	65.29 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 4873830691665395584	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 4873830691665395584	Gaia DR3 ID
glat	-37.98 deg
glon	234.78 deg
hd_name	—	HD ID
hip_name	—	HIP ID
hostname	NGTS-15	Host Name
htm20	736925770
ima_flag	0
micro_flag	0
obm_flag	0
pl_bmasse	238.69 Mearth
pl_bmasseerr1	32.42 Mearth
pl_bmasseerr2	-27.97 Mearth
pl_bmasselim	0
pl_bmassestr	<div><span class="supersubNumber">239</span><span class="superscript">+32</span><span class="subscript">-28</span></div>	Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj	0.75 Mjupiter
pl_bmassjerr1	0.10 Mjupiter
pl_bmassjerr2	-0.09 Mjupiter
pl_bmassjlim	0
pl_bmassjstr	<div><span class="supersubNumber">0.751</span><span class="superscript">+0.102</span><span class="subscript">-0.088</span></div>	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	0.74 g/cm**3
pl_denserr1	0.11 g/cm**3
pl_denserr2	-0.10 g/cm**3
pl_denslim	0
pl_densstr	<div><span class="supersubNumber">0.74</span><span class="superscript">+0.11</span><span class="subscript">-0.10</span></div>	Planet Density [g/cm**3]
pl_eqt	1146 K
pl_eqterr1	47 K
pl_eqterr2	-47 K
pl_eqtlim	0
pl_eqtstr	1146±47	Equilibrium Temperature [K]
pl_imppar	0.51
pl_impparerr1	0.09
pl_impparerr2	-0.11
pl_impparlim	0
pl_impparstr	<div><span class="supersubNumber">0.509</span><span class="superscript">+0.086</span><span class="subscript">-0.112</span></div>	Impact Parameter
pl_insol	425 Searth
pl_insolerr1	98 Searth
pl_insolerr2	-98 Searth
pl_insollim	0
pl_insolstr	425±98	Insolation Flux [Earth Flux]
pl_letter	b	Planet Letter
pl_masse	238.69 Mearth
pl_masseerr1	32.42 Mearth
pl_masseerr2	-27.97 Mearth
pl_masselim	0
pl_massestr	<div><span class="supersubNumber">239</span><span class="superscript">+32</span><span class="subscript">-28</span></div>	Planet Mass [Earth Mass]
pl_massj	0.75 Mjupiter
pl_massjerr1	0.10 Mjupiter
pl_massjerr2	-0.09 Mjupiter
pl_massjlim	0
pl_massjstr	<div><span class="supersubNumber">0.751</span><span class="superscript">+0.102</span><span class="subscript">-0.088</span></div>	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	NGTS-15 b	Planet Name
pl_ndispec	0
pl_nespec	0
pl_nnotes	1
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	—
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	3.28 day
pl_orbpererr1	1.00e-5 day
pl_orbpererr2	-1.00e-5 day
pl_orbperlim	0
pl_orbperstr	<div><span class="supersubNumber">3.27623</span><span class="superscript">+0.00001</span><span class="subscript">-0.00001</span></div>	Orbital Period [day]
pl_orbsmax	0.04 au
pl_orbsmaxerr1	4.60e-3 au
pl_orbsmaxerr2	-4.60e-3 au
pl_orbsmaxlim	0
pl_orbsmaxstr	0.0441±0.0046	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	2021-03	Planetary Parameter Reference Publication Date
pl_rade	12.33 Rearth
pl_radeerr1	1.12 Rearth
pl_radeerr2	-1.12 Rearth
pl_radelim	0
pl_radestr	12.3±1.1	Planet Radius [Earth Radius]
pl_radj	1.10 Rjupiter
pl_radjerr1	0.10 Rjupiter
pl_radjerr2	-0.10 Rjupiter
pl_radjlim	0
pl_radjstr	<div><span class="supersubNumber">1.10</span><span class="superscript">+0.10</span><span class="subscript">-0.10</span></div>	Planet Radius [Jupiter Radius]
pl_ratdor	10
pl_ratdorerr1	0.59
pl_ratdorerr2	-0.59
pl_ratdorlim	0
pl_ratdorstr	10.00±0.59	Ratio of Semi-Major Axis to Stellar Radius
pl_ratror	0.12
pl_ratrorerr1	3.00e-3
pl_ratrorerr2	-3.00e-3
pl_ratrorlim	0
pl_ratrorstr	0.119±0.003	Ratio of Planet to Stellar Radius
pl_refname	<a refstr=TILBROOK_ET_AL__2021 href=https://ui.adsabs.harvard.edu/abs/2021MNRAS.tmp..893T/abstract target=ref>Tilbrook et al. 2021</a>	Planetary Parameter Reference
pl_rvamp	106 m/s
pl_rvamperr1	7 m/s
pl_rvamperr2	-7 m/s
pl_rvamplim	0
pl_rvampstr	106±7	Radial Velocity Amplitude [m/s]
pl_trandep	—
pl_trandeperr1	—
pl_trandeperr2	—
pl_trandeplim	—
pl_trandepstr	—	Transit Depth [%]
pl_trandur	2.50 hour
pl_trandurerr1	0.06 hour
pl_trandurerr2	-0.06 hour
pl_trandurlim	0
pl_trandurstr	<div><span class="supersubNumber">2.504</span><span class="superscript">+0.060</span><span class="subscript">-0.058</span></div>	Transit Duration [hour]
pl_tranmid	2.46e6 day
pl_tranmiderr1	7.00e-4 day
pl_tranmiderr2	-7.00e-4 day
pl_tranmidlim	0
pl_tranmidstr	2458405.0558±0.0007	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	73.36 deg
rastr	04h53m25.27s	RA [sexagesimal]
releasedate	2021-04-23	Release Date
rowupdate	2021-04-23	Date of Last Update
rv_flag	1
soltype	Published Confirmed	Solution Type
st_age	3.28 Gyr
st_ageerr1	4.23 Gyr
st_ageerr2	-3.56 Gyr
st_agelim	0
st_agestr	<div><span class="supersubNumber">3.28</span><span class="superscript">+4.23</span><span class="subscript">-3.56</span></div>	Stellar Age [Gyr]
st_dens	—
st_denserr1	—
st_denserr2	—
st_denslim	—
st_densstr	—	Stellar Density [g/cm**3]
st_logg	4.40 log(cm/s**2)
st_loggerr1	0.12 log(cm/s**2)
st_loggerr2	-0.13 log(cm/s**2)
st_logglim	0
st_loggstr	<div><span class="supersubNumber">4.40</span><span class="superscript">+0.12</span><span class="subscript">-0.13</span></div>	Stellar Surface Gravity [log(cm/s**2)]
st_lum	—
st_lumerr1	—
st_lumerr2	—
st_lumlim	—
st_lumstr	—	Stellar Luminosity [log(Solar)]
st_mass	0.99 Msun
st_masserr1	0.03 Msun
st_masserr2	-0.03 Msun
st_masslim	0
st_massstr	0.995±0.025	Stellar Mass [Solar mass]
st_met	0.15 dex
st_meterr1	0.10 dex
st_meterr2	-0.10 dex
st_metlim	0
st_metratio	[Fe/H]	Stellar Metallicity Ratio
st_metstr	0.15±0.10	Stellar Metallicity [dex]
st_nphot	0
st_nrvc	0
st_nspec	0
st_rad	0.95 Rsun
st_raderr1	0.08 Rsun
st_raderr2	-0.08 Rsun
st_radlim	0
st_radstr	0.9540±0.0820	Stellar Radius [Solar Radius]
st_radv	34.68 km/s
st_radverr1	0.04 km/s
st_radverr2	-0.04 km/s
st_radvlim	0
st_radvstr	34.68±0.04	Systemic Radial Velocity [km/s]
st_refname	<a refstr=TILBROOK_ET_AL__2021 href=https://ui.adsabs.harvard.edu/abs/2021MNRAS.tmp..893T/abstract target=ref>Tilbrook et al. 2021</a>	Stellar Parameter Reference
st_rotp	—
st_rotperr1	—
st_rotperr2	—
st_rotplim	—
st_rotpstr	—	Stellar Rotational Period [day]
st_spectype	G6 V	Spectral Type
st_teff	5600 K
st_tefferr1	150 K
st_tefferr2	-150 K
st_tefflim	0
st_teffstr	5600±150	Stellar Effective Temperature [K]
st_vsin	2 km/s
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	1
st_vsinstr	<2	Stellar Rotational Velocity [km/s]
sy_bmag	15.29 mag
sy_bmagerr1	0.04 mag
sy_bmagerr2	-0.04 mag
sy_bmagstr	15.294±0.040	B (Johnson) Magnitude
sy_dist	786.49 pc
sy_disterr1	10.69 pc
sy_disterr2	-10.41 pc
sy_diststr	<div><span class="supersubNumber">786.485</span><span class="superscript">+10.685</span><span class="subscript">-10.408</span></div>	Distance [pc]
sy_gaiamag	14.43 mag
sy_gaiamagerr1	3.41e-4 mag
sy_gaiamagerr2	-3.41e-4 mag
sy_gaiamagstr	14.429900±0.000341	Gaia Magnitude
sy_gmag	—
sy_gmagerr1	—
sy_gmagerr2	—
sy_gmagstr	—	g (Sloan) Magnitude
sy_hmag	12.97 mag
sy_hmagerr1	0.04 mag
sy_hmagerr2	-0.04 mag
sy_hmagstr	12.967±0.035	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	13.34 mag
sy_jmagerr1	0.03 mag
sy_jmagerr2	-0.03 mag
sy_jmagstr	13.341±0.030	J (2MASS) Magnitude
sy_kepmag	—
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	—	Kepler Magnitude
sy_kmag	12.91 mag
sy_kmagerr1	0.04 mag
sy_kmagerr2	-0.04 mag
sy_kmagstr	12.907±0.036	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	1.24 mas
sy_plxerr1	0.02 mas
sy_plxerr2	-0.02 mas
sy_plxstr	1.2425000±0.0169234	Parallax [mas]
sy_pm	5.84 mas/yr
sy_pmdec	1.32 mas/yr
sy_pmdecerr1	0.03 mas/yr
sy_pmdecerr2	-0.03 mas/yr
sy_pmdecstr	1.316160±0.034793	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.03 mas/yr
sy_pmerr2	-0.03 mas/yr
sy_pmra	5.69 mas/yr
sy_pmraerr1	0.03 mas/yr
sy_pmraerr2	-0.03 mas/yr
sy_pmrastr	5.6866800±0.0268548	Proper Motion (RA) [mas/yr]
sy_pmstr	5.8370032±0.0273141	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	13.96 mag
sy_tmagerr1	6.00e-3 mag
sy_tmagerr2	-6.00e-3 mag
sy_tmagstr	13.9636±0.0060	TESS Magnitude
sy_umag	—
sy_umagerr1	—
sy_umagerr2	—
sy_umagstr	—	u (Sloan) Magnitude
sy_vmag	14.67 mag
sy_vmagerr1	0.15 mag
sy_vmagerr2	-0.15 mag
sy_vmagstr	14.669±0.149	V (Johnson) Magnitude
sy_w1mag	12.83 mag
sy_w1magerr1	0.02 mag
sy_w1magerr2	-0.02 mag
sy_w1magstr	12.830±0.024	W1 (WISE) Magnitude
sy_w2mag	12.87 mag
sy_w2magerr1	0.03 mag
sy_w2magerr2	-0.03 mag
sy_w2magstr	12.869±0.025	W2 (WISE) Magnitude
sy_w3mag	12.95 mag
sy_w3magerr1	0.49 mag
sy_w3magerr2	-0.49 mag
sy_w3magstr	12.950±0.489	W3 (WISE) Magnitude
sy_w4mag	9.15 mag
sy_w4magerr1	—
sy_w4magerr2	—
sy_w4magstr	9.155	W4 (WISE) Magnitude
sy_zmag	—
sy_zmagerr1	—
sy_zmagerr2	—
sy_zmagstr	—	z (Sloan) Magnitude
tic_id	TIC 1333933	TIC ID
tran_flag	1
ttv_flag	0
x	0.24
y	0.81
z	-0.54