🪐

Kepler-138 e

Exoplanet Records

📊Key Properties

Host Star

Kepler-138

Discovery

Transit Timing Variations

Year

2022

Period

38.23 day

Radius

—

Mass

0.43 Mearth

Eq. Temp

292 K

🧾Records(1 rows)

Record 1

Transit Timing Variations • 2022 • Multiple Observatories

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	43.29 deg
decstr	+43d17m35.03s	Dec [sexagesimal]
default_flag	1
disc_facility	Multiple Observatories	Discovery Facility
disc_instrument	Multiple Instruments	Discovery Instrument
disc_locale	Multiple Locales	Discovery Locale
disc_pubdate	2022-12	Discovery Publication Date
disc_refname	<a refstr=PIAULET_ET_AL__2022 href=https://ui.adsabs.harvard.edu/abs/2022NatAs.tmp..269P/abstract target=ref>Piaulet et al. 2022</a>	Discovery Reference
disc_telescope	Multiple Telescopes	Discovery Telescope
disc_year	2022
discoverymethod	Transit Timing Variations	Discovery Method
dkin_flag	0
elat	64.23 deg
elon	305.66 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 2102053446751282944	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 2102053446751282944	Gaia DR3 ID
glat	13.17 deg
glon	75.11 deg
hd_name	—	HD ID
hip_name	—	HIP ID
hostname	Kepler-138	Host Name
htm20	1052695179
ima_flag	0
micro_flag	0
obm_flag	0
pl_bmasse	0.43 Mearth
pl_bmasseerr1	0.21 Mearth
pl_bmasseerr2	-0.10 Mearth
pl_bmasselim	0
pl_bmassestr	<div><span class="supersubNumber">0.43</span><span class="superscript">+0.21</span><span class="subscript">-0.10</span></div>	Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj	1.35e-3 Mjupiter
pl_bmassjerr1	6.61e-4 Mjupiter
pl_bmassjerr2	-3.15e-4 Mjupiter
pl_bmassjlim	0
pl_bmassjstr	<div><span class="supersubNumber">0.0014</span><span class="superscript">+0.0007</span><span class="subscript">-0.0003</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	—
pl_denserr1	—
pl_denserr2	—
pl_denslim	—
pl_densstr	—	Planet Density [g/cm**3]
pl_eqt	292 K
pl_eqterr1	5 K
pl_eqterr2	-6 K
pl_eqtlim	0
pl_eqtstr	<div><span class="supersubNumber">292</span><span class="superscript">+5</span><span class="subscript">-6</span></div>	Equilibrium Temperature [K]
pl_imppar	1.80
pl_impparerr1	1.90
pl_impparerr2	-1.20
pl_impparlim	0
pl_impparstr	<div><span class="supersubNumber">1.8</span><span class="superscript">+1.9</span><span class="subscript">-1.2</span></div>	Impact Parameter
pl_insol	1.73 Searth
pl_insolerr1	0.12 Searth
pl_insolerr2	-0.12 Searth
pl_insollim	0
pl_insolstr	1.73±0.12	Insolation Flux [Earth Flux]
pl_letter	e	Planet Letter
pl_masse	0.43 Mearth
pl_masseerr1	0.21 Mearth
pl_masseerr2	-0.10 Mearth
pl_masselim	0
pl_massestr	<div><span class="supersubNumber">0.43</span><span class="superscript">+0.21</span><span class="subscript">-0.10</span></div>	Planet Mass [Earth Mass]
pl_massj	1.35e-3 Mjupiter
pl_massjerr1	6.61e-4 Mjupiter
pl_massjerr2	-3.15e-4 Mjupiter
pl_massjlim	0
pl_massjstr	<div><span class="supersubNumber">0.0014</span><span class="superscript">+0.0007</span><span class="subscript">-0.0003</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	Kepler-138 e	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	0.11
pl_orbeccenerr1	0.02
pl_orbeccenerr2	-0.02
pl_orbeccenlim	0
pl_orbeccenstr	<div><span class="supersubNumber">0.112</span><span class="superscript">+0.018</span><span class="subscript">-0.024</span></div>	Eccentricity
pl_orbincl	88.53 deg
pl_orbinclerr1	1 deg
pl_orbinclerr2	-1 deg
pl_orbincllim	0
pl_orbinclstr	88.53±1.00	Inclination [deg]
pl_orblper	76 deg
pl_orblpererr1	10 deg
pl_orblpererr2	-14 deg
pl_orblperlim	0
pl_orblperstr	<div><span class="supersubNumber">76</span><span class="superscript">+10</span><span class="subscript">-14</span></div>	Argument of Periastron [deg]
pl_orbper	38.23 day
pl_orbpererr1	6.00e-3 day
pl_orbpererr2	-6.00e-3 day
pl_orbperlim	0
pl_orbperstr	38.230±0.006	Orbital Period [day]
pl_orbsmax	0.18 au
pl_orbsmaxerr1	1.40e-3 au
pl_orbsmaxerr2	-1.40e-3 au
pl_orbsmaxlim	0
pl_orbsmaxstr	0.1803±0.0014	Orbit Semi-Major Axis [au]
pl_orbtper	2.45e6 day
pl_orbtpererr1	0.30 day
pl_orbtpererr2	-0.20 day
pl_orbtperlim	0
pl_orbtperstr	<div><span class="supersubNumber">2454924.1</span><span class="superscript">+0.3</span><span class="subscript">-0.2</span></div>	Epoch of Periastron [day]
pl_projobliq	—
pl_projobliqerr1	—
pl_projobliqerr2	—
pl_projobliqlim	—
pl_projobliqstr	—	Projected Obliquity [deg]
pl_pubdate	2022-12	Planetary Parameter Reference Publication Date
pl_rade	—
pl_radeerr1	—
pl_radeerr2	—
pl_radelim	—
pl_radestr	—	Planet Radius [Earth Radius]
pl_radj	—
pl_radjerr1	—
pl_radjerr2	—
pl_radjlim	—
pl_radjstr	—	Planet Radius [Jupiter Radius]
pl_ratdor	73
pl_ratdorerr1	2
pl_ratdorerr2	-2
pl_ratdorlim	0
pl_ratdorstr	73±2	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=PIAULET_ET_AL__2022 href=https://ui.adsabs.harvard.edu/abs/2022NatAs.tmp..269P/abstract target=ref>Piaulet et al. 2022</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	—
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	BJD	Time Reference Frame and Standard
ptv_flag	0
pul_flag	0
ra	290.38 deg
rastr	19h21m31.54s	RA [sexagesimal]
releasedate	2023-01-04	Release Date
rowupdate	2023-01-04	Date of Last Update
rv_flag	0
soltype	Published Confirmed	Solution Type
st_age	—
st_ageerr1	—
st_ageerr2	—
st_agelim	—
st_agestr	—	Stellar Age [Gyr]
st_dens	4.90 g/cm**3
st_denserr1	0.40 g/cm**3
st_denserr2	-0.40 g/cm**3
st_denslim	0
st_densstr	4.9±0.4	Stellar Density [g/cm**3]
st_logg	4.71 log(cm/s**2)
st_loggerr1	0.03 log(cm/s**2)
st_loggerr2	-0.03 log(cm/s**2)
st_logglim	0
st_loggstr	4.71±0.03	Stellar Surface Gravity [log(cm/s**2)]
st_lum	-1.25 log(Lsun)
st_lumerr1	0.03 log(Lsun)
st_lumerr2	-0.03 log(Lsun)
st_lumlim	0
st_lumstr	<div><span class="supersubNumber">-1.3</span><span class="superscript">+0.0</span><span class="subscript">-0.0</span></div>	Stellar Luminosity [log(Solar)]
st_mass	0.54 Msun
st_masserr1	0.01 Msun
st_masserr2	-0.01 Msun
st_masslim	0
st_massstr	0.535±0.012	Stellar Mass [Solar mass]
st_met	-0.18 dex
st_meterr1	0.10 dex
st_meterr2	-0.10 dex
st_metlim	0
st_metratio	[Fe/H]	Stellar Metallicity Ratio
st_metstr	-0.18±0.10	Stellar Metallicity [dex]
st_nphot	0
st_nrvc	0
st_nspec	0
st_rad	0.54 Rsun
st_raderr1	0.01 Rsun
st_raderr2	-0.01 Rsun
st_radlim	0
st_radstr	<div><span class="supersubNumber">0.535</span><span class="superscript">+0.013</span><span class="subscript">-0.014</span></div>	Stellar Radius [Solar Radius]
st_radv	—
st_radverr1	—
st_radverr2	—
st_radvlim	—
st_radvstr	—	Systemic Radial Velocity [km/s]
st_refname	<a refstr=PIAULET_ET_AL__2022 href=https://ui.adsabs.harvard.edu/abs/2022NatAs.tmp..269P/abstract target=ref>Piaulet et al. 2022</a>	Stellar Parameter Reference
st_rotp	—
st_rotperr1	—
st_rotperr2	—
st_rotplim	—
st_rotpstr	—	Stellar Rotational Period [day]
st_spectype	—	Spectral Type
st_teff	3841 K
st_tefferr1	50 K
st_tefferr2	-51 K
st_tefflim	0
st_teffstr	<div><span class="supersubNumber">3841</span><span class="superscript">+50</span><span class="subscript">-51</span></div>	Stellar Effective Temperature [K]
st_vsin	—
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	—
st_vsinstr	—	Stellar Rotational Velocity [km/s]
sy_bmag	14.62 mag
sy_bmagerr1	0.05 mag
sy_bmagerr2	-0.05 mag
sy_bmagstr	14.621±0.052	B (Johnson) Magnitude
sy_dist	66.86 pc
sy_disterr1	0.11 pc
sy_disterr2	-0.11 pc
sy_diststr	66.8624±0.1070	Distance [pc]
sy_gaiamag	12.47 mag
sy_gaiamagerr1	2.39e-4 mag
sy_gaiamagerr2	-2.39e-4 mag
sy_gaiamagstr	12.471500±0.000239	Gaia Magnitude
sy_gmag	—
sy_gmagerr1	—
sy_gmagerr2	—
sy_gmagstr	—	g (Sloan) Magnitude
sy_hmag	9.68 mag
sy_hmagerr1	0.02 mag
sy_hmagerr2	-0.02 mag
sy_hmagstr	9.680±0.018	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	10.29 mag
sy_jmagerr1	0.02 mag
sy_jmagerr2	-0.02 mag
sy_jmagstr	10.293±0.022	J (2MASS) Magnitude
sy_kepmag	12.93 mag
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	12.925	Kepler Magnitude
sy_kmag	9.51 mag
sy_kmagerr1	0.01 mag
sy_kmagerr2	-0.01 mag
sy_kmagstr	9.506±0.011	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	14.93 mas
sy_plxerr1	0.02 mas
sy_plxerr2	-0.02 mas
sy_plxstr	14.9272000±0.0237547	Parallax [mas]
sy_pm	30.65 mas/yr
sy_pmdec	22.70 mas/yr
sy_pmdecerr1	0.05 mas/yr
sy_pmdecerr2	-0.05 mas/yr
sy_pmdecstr	22.698000±0.045138	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.05 mas/yr
sy_pmerr2	-0.05 mas/yr
sy_pmra	-20.60 mas/yr
sy_pmraerr1	0.04 mas/yr
sy_pmraerr2	-0.04 mas/yr
sy_pmrastr	-20.5991000±0.0448451	Proper Motion (RA) [mas/yr]
sy_pmstr	30.6516252±0.0450060	Total Proper Motion [mas/yr]
sy_pnum	4
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	11.52 mag
sy_tmagerr1	7.29e-3 mag
sy_tmagerr2	-7.29e-3 mag
sy_tmagstr	11.5177000±0.0072873	TESS Magnitude
sy_umag	—
sy_umagerr1	—
sy_umagerr2	—
sy_umagstr	—	u (Sloan) Magnitude
sy_vmag	13.04 mag
sy_vmagerr1	0.09 mag
sy_vmagerr2	-0.09 mag
sy_vmagstr	13.040±0.092	V (Johnson) Magnitude
sy_w1mag	9.38 mag
sy_w1magerr1	0.02 mag
sy_w1magerr2	-0.02 mag
sy_w1magstr	9.378±0.023	W1 (WISE) Magnitude
sy_w2mag	9.36 mag
sy_w2magerr1	0.02 mag
sy_w2magerr2	-0.02 mag
sy_w2magstr	9.355±0.019	W2 (WISE) Magnitude
sy_w3mag	9.26 mag
sy_w3magerr1	0.03 mag
sy_w3magerr2	-0.03 mag
sy_w3magstr	9.261±0.030	W3 (WISE) Magnitude
sy_w4mag	9.38 mag
sy_w4magerr1	—
sy_w4magerr2	—
sy_w4magstr	9.384	W4 (WISE) Magnitude
sy_zmag	—
sy_zmagerr1	—
sy_zmagerr2	—
sy_zmagstr	—	z (Sloan) Magnitude
tic_id	TIC 159376971	TIC ID
tran_flag	0
ttv_flag	0
x	0.25
y	-0.68
z	0.69