🪐

LHS 1678 c

Exoplanet Records

📊Key Properties

Host Star

LHS 1678

Discovery

Transit

Year

2021

Period

3.69 day

Radius

0.94 Rearth

Mass

—

Eq. Temp

—

🧾Records(3 rows)

Record 1

Transit • 2021 • Transiting Exoplanet Survey Satellite (TESS)

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	-39.79 deg
decstr	-39d47m27.15s	Dec [sexagesimal]
default_flag	1
disc_facility	Transiting Exoplanet Survey Satellite (TESS)	Discovery Facility
disc_instrument	TESS CCD Array	Discovery Instrument
disc_locale	Space	Discovery Locale
disc_pubdate	2022-04	Discovery Publication Date
disc_refname	<a refstr=SILVERSTEIN_ET_AL__2022 href=https://ui.adsabs.harvard.edu/abs/2022AJ....163..151S/abstract target=ref>Silverstein et al. 2022</a>	Discovery Reference
disc_telescope	0.1 m TESS Telescope	Discovery Telescope
disc_year	2021
discoverymethod	Transit	Discovery Method
dkin_flag	0
elat	-60.57 deg
elon	54.46 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 4864160624337973248	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 4864160624337973248	Gaia DR3 ID
glat	-42.92 deg
glon	243.30 deg
hd_name	—	HD ID
hip_name	—	HIP ID
hostname	LHS 1678	Host Name
htm20	1504924265
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	—
pl_eqterr1	—
pl_eqterr2	—
pl_eqtlim	—
pl_eqtstr	—	Equilibrium Temperature [K]
pl_imppar	0.44
pl_impparerr1	0.09
pl_impparerr2	-0.14
pl_impparlim	0
pl_impparstr	<div><span class="supersubNumber">0.44</span><span class="superscript">+0.09</span><span class="subscript">-0.14</span></div>	Impact Parameter
pl_insol	13.50 Searth
pl_insolerr1	1.30 Searth
pl_insolerr2	-1.20 Searth
pl_insollim	0
pl_insolstr	<div><span class="supersubNumber">13.5</span><span class="superscript">+1.3</span><span class="subscript">-1.2</span></div>	Insolation Flux [Earth Flux]
pl_letter	c	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	LHS 1678 c	Planet Name
pl_ndispec	0
pl_nespec	0
pl_nnotes	2
pl_ntranspec	0
pl_occdep	—
pl_occdeperr1	—
pl_occdeperr2	—
pl_occdeplim	—
pl_occdepstr	—	Occultation Depth [%]
pl_orbeccen	0.04
pl_orbeccenerr1	0.04
pl_orbeccenerr2	-0.03
pl_orbeccenlim	0
pl_orbeccenstr	<div><span class="supersubNumber">0.039</span><span class="superscript">+0.040</span><span class="subscript">-0.025</span></div>	Eccentricity
pl_orbincl	88.82 deg
pl_orbinclerr1	0.40 deg
pl_orbinclerr2	-0.26 deg
pl_orbincllim	0
pl_orbinclstr	<div><span class="supersubNumber">88.82</span><span class="superscript">+0.40</span><span class="subscript">-0.26</span></div>	Inclination [deg]
pl_orblper	23 deg
pl_orblpererr1	109 deg
pl_orblpererr2	-143 deg
pl_orblperlim	0
pl_orblperstr	<div><span class="supersubNumber">23.0</span><span class="superscript">+109.0</span><span class="subscript">-143.0</span></div>	Argument of Periastron [deg]
pl_orbper	3.69 day
pl_orbpererr1	4.80e-6 day
pl_orbpererr2	-4.40e-6 day
pl_orbperlim	0
pl_orbperstr	<div><span class="supersubNumber">3.6942840</span><span class="superscript">+0.0000048</span><span class="subscript">-0.0000044</span></div>	Orbital Period [day]
pl_orbsmax	0.03 au
pl_orbsmaxerr1	1.50e-3 au
pl_orbsmaxerr2	-1.50e-3 au
pl_orbsmaxlim	0
pl_orbsmaxstr	0.0327±0.0015	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	2024-02	Planetary Parameter Reference Publication Date
pl_rade	0.94 Rearth
pl_radeerr1	0.05 Rearth
pl_radeerr2	-0.05 Rearth
pl_radelim	0
pl_radestr	<div><span class="supersubNumber">0.941</span><span class="superscript">+0.051</span><span class="subscript">-0.050</span></div>	Planet Radius [Earth Radius]
pl_radj	0.08 Rjupiter
pl_radjerr1	4.55e-3 Rjupiter
pl_radjerr2	-4.46e-3 Rjupiter
pl_radjlim	0
pl_radjstr	<div><span class="supersubNumber">0.0840</span><span class="superscript">+0.0045</span><span class="subscript">-0.0045</span></div>	Planet Radius [Jupiter Radius]
pl_ratdor	21.36
pl_ratdorerr1	0.78
pl_ratdorerr2	-0.75
pl_ratdorlim	0
pl_ratdorstr	<div><span class="supersubNumber">21.36</span><span class="superscript">+0.78</span><span class="subscript">-0.75</span></div>	Ratio of Semi-Major Axis to Stellar Radius
pl_ratror	0.03
pl_ratrorerr1	1.10e-3
pl_ratrorerr2	-1.20e-3
pl_ratrorlim	0
pl_ratrorstr	<div><span class="supersubNumber">0.0262</span><span class="superscript">+0.0011</span><span class="subscript">-0.0012</span></div>	Ratio of Planet to Stellar Radius
pl_refname	<a refstr=SILVERSTEIN_ET_AL__2024 href=https://ui.adsabs.harvard.edu/abs/2024arXiv240300110S/abstract target=ref>Silverstein et al. 2024</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	1.23 hour
pl_trandurerr1	0.10 hour
pl_trandurerr2	-0.07 hour
pl_trandurlim	0
pl_trandurstr	<div><span class="supersubNumber">1.23</span><span class="superscript">+0.10</span><span class="subscript">-0.07</span></div>	Transit Duration [hour]
pl_tranmid	2.46e6 day
pl_tranmiderr1	6.40e-4 day
pl_tranmiderr2	-5.70e-4 day
pl_tranmidlim	0
pl_tranmidstr	<div><span class="supersubNumber">2458998.45607</span><span class="superscript">+0.00064</span><span class="subscript">-0.00057</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	68.18 deg
rastr	04h32m42.96s	RA [sexagesimal]
releasedate	2024-03-25	Release Date
rowupdate	2024-03-25	Date of Last Update
rv_flag	0
soltype	Published Confirmed	Solution Type
st_age	7 Gyr
st_ageerr1	2 Gyr
st_ageerr2	-3 Gyr
st_agelim	0
st_agestr	<div><span class="supersubNumber">7</span><span class="superscript">+2</span><span class="subscript">-3</span></div>	Stellar Age [Gyr]
st_dens	13.90 g/cm**3
st_denserr1	1.50 g/cm**3
st_denserr2	-1.50 g/cm**3
st_denslim	0
st_densstr	13.9±1.5	Stellar Density [g/cm**3]
st_logg	—
st_loggerr1	—
st_loggerr2	—
st_logglim	—
st_loggstr	—	Stellar Surface Gravity [log(cm/s**2)]
st_lum	-1.84 log(Lsun)
st_lumerr1	8.89e-3 log(Lsun)
st_lumerr2	-9.08e-3 log(Lsun)
st_lumlim	0
st_lumstr	<div><span class="supersubNumber">-1.84</span><span class="superscript">+0.01</span><span class="subscript">-0.01</span></div>	Stellar Luminosity [log(Solar)]
st_mass	0.34 Msun
st_masserr1	0.01 Msun
st_masserr2	-0.01 Msun
st_masslim	0
st_massstr	0.345±0.014	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	0.33 Rsun
st_raderr1	0.01 Rsun
st_raderr2	-0.01 Rsun
st_radlim	0
st_radstr	0.329±0.010	Stellar Radius [Solar Radius]
st_radv	11.47 km/s
st_radverr1	0.03 km/s
st_radverr2	-0.03 km/s
st_radvlim	0
st_radvstr	11.4667±0.0259	Systemic Radial Velocity [km/s]
st_refname	<a refstr=SILVERSTEIN_ET_AL__2022 href=https://ui.adsabs.harvard.edu/abs/2022AJ....163..151S/abstract target=ref>Silverstein et al. 2022</a>	Stellar Parameter Reference
st_rotp	64 day
st_rotperr1	22 day
st_rotperr2	-22 day
st_rotplim	0
st_rotpstr	64±22	Stellar Rotational Period [day]
st_spectype	M2.0 V	Spectral Type
st_teff	3490 K
st_tefferr1	50 K
st_tefferr2	-50 K
st_tefflim	0
st_teffstr	3490±50	Stellar Effective Temperature [K]
st_vsin	0.53 km/s
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	0
st_vsinstr	0.53	Stellar Rotational Velocity [km/s]
sy_bmag	—
sy_bmagerr1	—
sy_bmagerr2	—
sy_bmagstr	—	B (Johnson) Magnitude
sy_dist	19.88 pc
sy_disterr1	9.40e-3 pc
sy_disterr2	-9.40e-3 pc
sy_diststr	19.8782±0.0094	Distance [pc]
sy_gaiamag	11.54 mag
sy_gaiamagerr1	5.09e-4 mag
sy_gaiamagerr2	-5.09e-4 mag
sy_gaiamagstr	11.540300±0.000509	Gaia Magnitude
sy_gmag	—
sy_gmagerr1	—
sy_gmagerr2	—
sy_gmagstr	—	g (Sloan) Magnitude
sy_hmag	8.50 mag
sy_hmagerr1	0.05 mag
sy_hmagerr2	-0.05 mag
sy_hmagstr	8.501±0.047	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	9.02 mag
sy_jmagerr1	0.03 mag
sy_jmagerr2	-0.03 mag
sy_jmagstr	9.020001±0.032000	J (2MASS) Magnitude
sy_kepmag	—
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	—	Kepler Magnitude
sy_kmag	8.26 mag
sy_kmagerr1	0.03 mag
sy_kmagerr2	-0.03 mag
sy_kmagstr	8.264±0.029	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	50.28 mas
sy_plxerr1	0.02 mas
sy_plxerr2	-0.02 mas
sy_plxstr	50.2773000±0.0236008	Parallax [mas]
sy_pm	996.95 mas/yr
sy_pmdec	-967.77 mas/yr
sy_pmdecerr1	0.05 mas/yr
sy_pmdecerr2	-0.05 mas/yr
sy_pmdecstr	-967.7720000±0.0505479	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.05 mas/yr
sy_pmerr2	-0.05 mas/yr
sy_pmra	239.41 mas/yr
sy_pmraerr1	0.04 mas/yr
sy_pmraerr2	-0.04 mas/yr
sy_pmrastr	239.4100000±0.0414089	Proper Motion (RA) [mas/yr]
sy_pmstr	996.9452302±0.0500662	Total Proper Motion [mas/yr]
sy_pnum	3
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	2
sy_tmag	10.43 mag
sy_tmagerr1	7.32e-3 mag
sy_tmagerr2	-7.32e-3 mag
sy_tmagstr	10.4276000±0.0073249	TESS Magnitude
sy_umag	—
sy_umagerr1	—
sy_umagerr2	—
sy_umagstr	—	u (Sloan) Magnitude
sy_vmag	12.60 mag
sy_vmagerr1	0.20 mag
sy_vmagerr2	-0.20 mag
sy_vmagstr	12.6±0.2	V (Johnson) Magnitude
sy_w1mag	—
sy_w1magerr1	—
sy_w1magerr2	—
sy_w1magstr	—	W1 (WISE) Magnitude
sy_w2mag	—
sy_w2magerr1	—
sy_w2magerr2	—
sy_w2magstr	—	W2 (WISE) Magnitude
sy_w3mag	—
sy_w3magerr1	—
sy_w3magerr2	—
sy_w3magstr	—	W3 (WISE) Magnitude
sy_w4mag	—
sy_w4magerr1	—
sy_w4magerr2	—
sy_w4magstr	—	W4 (WISE) Magnitude
sy_zmag	—
sy_zmagerr1	—
sy_zmagerr2	—
sy_zmagstr	—	z (Sloan) Magnitude
tic_id	TIC 77156829	TIC ID
tran_flag	1
ttv_flag	0
x	0.29
y	0.71
z	-0.64

Record 2

Transit • 2021 • Transiting Exoplanet Survey Satellite (TESS)

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	-39.79 deg
decstr	-39d47m27.15s	Dec [sexagesimal]
default_flag	0
disc_facility	Transiting Exoplanet Survey Satellite (TESS)	Discovery Facility
disc_instrument	TESS CCD Array	Discovery Instrument
disc_locale	Space	Discovery Locale
disc_pubdate	2022-04	Discovery Publication Date
disc_refname	<a refstr=SILVERSTEIN_ET_AL__2022 href=https://ui.adsabs.harvard.edu/abs/2022AJ....163..151S/abstract target=ref>Silverstein et al. 2022</a>	Discovery Reference
disc_telescope	0.1 m TESS Telescope	Discovery Telescope
disc_year	2021
discoverymethod	Transit	Discovery Method
dkin_flag	0
elat	-60.57 deg
elon	54.46 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 4864160624337973248	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 4864160624337973248	Gaia DR3 ID
glat	-42.92 deg
glon	243.30 deg
hd_name	—	HD ID
hip_name	—	HIP ID
hostname	LHS 1678	Host Name
htm20	1504924265
ima_flag	0
micro_flag	0
obm_flag	0
pl_bmasse	1.40 Mearth
pl_bmasseerr1	—
pl_bmasseerr2	—
pl_bmasselim	1
pl_bmassestr	<1.4	Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj	4.40e-3 Mjupiter
pl_bmassjerr1	—
pl_bmassjerr2	—
pl_bmassjlim	1
pl_bmassjstr	<0.0044	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	10.60 g/cm**3
pl_denserr1	—
pl_denserr2	—
pl_denslim	1
pl_densstr	<10.6	Planet Density [g/cm**3]
pl_eqt	—
pl_eqterr1	—
pl_eqterr2	—
pl_eqtlim	—
pl_eqtstr	—	Equilibrium Temperature [K]
pl_imppar	0.39
pl_impparerr1	0.14
pl_impparerr2	-0.21
pl_impparlim	0
pl_impparstr	<div><span class="supersubNumber">0.39</span><span class="superscript">+0.14</span><span class="subscript">-0.21</span></div>	Impact Parameter
pl_insol	13.50 Searth
pl_insolerr1	1.30 Searth
pl_insolerr2	-1.20 Searth
pl_insollim	0
pl_insolstr	<div><span class="supersubNumber">13.5</span><span class="superscript">+1.3</span><span class="subscript">-1.2</span></div>	Insolation Flux [Earth Flux]
pl_letter	c	Planet Letter
pl_masse	1.40 Mearth
pl_masseerr1	—
pl_masseerr2	—
pl_masselim	1
pl_massestr	<1.4	Planet Mass [Earth Mass]
pl_massj	4.40e-3 Mjupiter
pl_massjerr1	—
pl_massjerr2	—
pl_massjlim	1
pl_massjstr	<0.0044	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	LHS 1678 c	Planet Name
pl_ndispec	0
pl_nespec	0
pl_nnotes	2
pl_ntranspec	0
pl_occdep	—
pl_occdeperr1	—
pl_occdeperr2	—
pl_occdeplim	—
pl_occdepstr	—	Occultation Depth [%]
pl_orbeccen	0.22
pl_orbeccenerr1	—
pl_orbeccenerr2	—
pl_orbeccenlim	1
pl_orbeccenstr	<0.22	Eccentricity
pl_orbincl	89.09 deg
pl_orbinclerr1	0.57 deg
pl_orbinclerr2	-0.46 deg
pl_orbincllim	0
pl_orbinclstr	<div><span class="supersubNumber">89.09</span><span class="superscript">+0.57</span><span class="subscript">-0.46</span></div>	Inclination [deg]
pl_orblper	-1 deg
pl_orblpererr1	120 deg
pl_orblpererr2	-120 deg
pl_orblperlim	0
pl_orblperstr	-1.00±120.00	Argument of Periastron [deg]
pl_orbper	3.69 day
pl_orbpererr1	2.40e-6 day
pl_orbpererr2	-2.10e-6 day
pl_orbperlim	0
pl_orbperstr	<div><span class="supersubNumber">3.6942470</span><span class="superscript">+0.0000024</span><span class="subscript">-0.0000021</span></div>	Orbital Period [day]
pl_orbsmax	0.03 au
pl_orbsmaxerr1	1.60e-3 au
pl_orbsmaxerr2	-1.50e-3 au
pl_orbsmaxlim	0
pl_orbsmaxstr	<div><span class="supersubNumber">0.0331</span><span class="superscript">+0.0016</span><span class="subscript">-0.0015</span></div>	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	2022-04	Planetary Parameter Reference Publication Date
pl_rade	0.98 Rearth
pl_radeerr1	0.06 Rearth
pl_radeerr2	-0.06 Rearth
pl_radelim	0
pl_radestr	<div><span class="supersubNumber">0.9820</span><span class="superscript">+0.0640</span><span class="subscript">-0.0630</span></div>	Planet Radius [Earth Radius]
pl_radj	0.09 Rjupiter
pl_radjerr1	5.71e-3 Rjupiter
pl_radjerr2	-5.62e-3 Rjupiter
pl_radjlim	0
pl_radjstr	<div><span class="supersubNumber">0.08761</span><span class="superscript">+0.00571</span><span class="subscript">-0.00562</span></div>	Planet Radius [Jupiter Radius]
pl_ratdor	21.56
pl_ratdorerr1	0.76
pl_ratdorerr2	-0.79
pl_ratdorlim	0
pl_ratdorstr	<div><span class="supersubNumber">21.56</span><span class="superscript">+0.76</span><span class="subscript">-0.79</span></div>	Ratio of Semi-Major Axis to Stellar Radius
pl_ratror	0.03
pl_ratrorerr1	1.50e-3
pl_ratrorerr2	-1.60e-3
pl_ratrorlim	0
pl_ratrorstr	<div><span class="supersubNumber">0.0272</span><span class="superscript">+0.0015</span><span class="subscript">-0.0016</span></div>	Ratio of Planet to Stellar Radius
pl_refname	<a refstr=SILVERSTEIN_ET_AL__2022 href=https://ui.adsabs.harvard.edu/abs/2022AJ....163..151S/abstract target=ref>Silverstein 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	1.26 hour
pl_trandurerr1	0.10 hour
pl_trandurerr2	-0.12 hour
pl_trandurlim	0
pl_trandurstr	<div><span class="supersubNumber">1.26</span><span class="superscript">+0.10</span><span class="subscript">-0.12</span></div>	Transit Duration [hour]
pl_tranmid	2.46e6 day
pl_tranmiderr1	3.99e-3 day
pl_tranmiderr2	-3.10e-3 day
pl_tranmidlim	0
pl_tranmidstr	<div><span class="supersubNumber">2459120.360616833</span><span class="superscript">+0.003990000</span><span class="subscript">-0.003100000</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	68.18 deg
rastr	04h32m42.96s	RA [sexagesimal]
releasedate	2021-11-02	Release Date
rowupdate	2021-11-02	Date of Last Update
rv_flag	0
soltype	Published Confirmed	Solution Type
st_age	7 Gyr
st_ageerr1	2 Gyr
st_ageerr2	-3 Gyr
st_agelim	0
st_agestr	<div><span class="supersubNumber">7</span><span class="superscript">+2</span><span class="subscript">-3</span></div>	Stellar Age [Gyr]
st_dens	13.90 g/cm**3
st_denserr1	1.50 g/cm**3
st_denserr2	-1.50 g/cm**3
st_denslim	0
st_densstr	13.9±1.5	Stellar Density [g/cm**3]
st_logg	—
st_loggerr1	—
st_loggerr2	—
st_logglim	—
st_loggstr	—	Stellar Surface Gravity [log(cm/s**2)]
st_lum	-1.84 log(Lsun)
st_lumerr1	8.89e-3 log(Lsun)
st_lumerr2	-9.08e-3 log(Lsun)
st_lumlim	0
st_lumstr	<div><span class="supersubNumber">-1.84</span><span class="superscript">+0.01</span><span class="subscript">-0.01</span></div>	Stellar Luminosity [log(Solar)]
st_mass	0.34 Msun
st_masserr1	0.01 Msun
st_masserr2	-0.01 Msun
st_masslim	0
st_massstr	0.345±0.014	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	0.33 Rsun
st_raderr1	0.01 Rsun
st_raderr2	-0.01 Rsun
st_radlim	0
st_radstr	0.329±0.010	Stellar Radius [Solar Radius]
st_radv	11.47 km/s
st_radverr1	0.03 km/s
st_radverr2	-0.03 km/s
st_radvlim	0
st_radvstr	11.4667±0.0259	Systemic Radial Velocity [km/s]
st_refname	<a refstr=SILVERSTEIN_ET_AL__2022 href=https://ui.adsabs.harvard.edu/abs/2022AJ....163..151S/abstract target=ref>Silverstein et al. 2022</a>	Stellar Parameter Reference
st_rotp	64 day
st_rotperr1	22 day
st_rotperr2	-22 day
st_rotplim	0
st_rotpstr	64±22	Stellar Rotational Period [day]
st_spectype	M2.0 V	Spectral Type
st_teff	3490 K
st_tefferr1	50 K
st_tefferr2	-50 K
st_tefflim	0
st_teffstr	3490±50	Stellar Effective Temperature [K]
st_vsin	0.53 km/s
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	0
st_vsinstr	0.53	Stellar Rotational Velocity [km/s]
sy_bmag	—
sy_bmagerr1	—
sy_bmagerr2	—
sy_bmagstr	—	B (Johnson) Magnitude
sy_dist	19.88 pc
sy_disterr1	9.40e-3 pc
sy_disterr2	-9.40e-3 pc
sy_diststr	19.8782±0.0094	Distance [pc]
sy_gaiamag	11.54 mag
sy_gaiamagerr1	5.09e-4 mag
sy_gaiamagerr2	-5.09e-4 mag
sy_gaiamagstr	11.540300±0.000509	Gaia Magnitude
sy_gmag	—
sy_gmagerr1	—
sy_gmagerr2	—
sy_gmagstr	—	g (Sloan) Magnitude
sy_hmag	8.50 mag
sy_hmagerr1	0.05 mag
sy_hmagerr2	-0.05 mag
sy_hmagstr	8.501±0.047	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	9.02 mag
sy_jmagerr1	0.03 mag
sy_jmagerr2	-0.03 mag
sy_jmagstr	9.020001±0.032000	J (2MASS) Magnitude
sy_kepmag	—
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	—	Kepler Magnitude
sy_kmag	8.26 mag
sy_kmagerr1	0.03 mag
sy_kmagerr2	-0.03 mag
sy_kmagstr	8.264±0.029	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	50.28 mas
sy_plxerr1	0.02 mas
sy_plxerr2	-0.02 mas
sy_plxstr	50.2773000±0.0236008	Parallax [mas]
sy_pm	996.95 mas/yr
sy_pmdec	-967.77 mas/yr
sy_pmdecerr1	0.05 mas/yr
sy_pmdecerr2	-0.05 mas/yr
sy_pmdecstr	-967.7720000±0.0505479	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.05 mas/yr
sy_pmerr2	-0.05 mas/yr
sy_pmra	239.41 mas/yr
sy_pmraerr1	0.04 mas/yr
sy_pmraerr2	-0.04 mas/yr
sy_pmrastr	239.4100000±0.0414089	Proper Motion (RA) [mas/yr]
sy_pmstr	996.9452302±0.0500662	Total Proper Motion [mas/yr]
sy_pnum	3
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	2
sy_tmag	10.43 mag
sy_tmagerr1	7.32e-3 mag
sy_tmagerr2	-7.32e-3 mag
sy_tmagstr	10.4276000±0.0073249	TESS Magnitude
sy_umag	—
sy_umagerr1	—
sy_umagerr2	—
sy_umagstr	—	u (Sloan) Magnitude
sy_vmag	12.60 mag
sy_vmagerr1	0.20 mag
sy_vmagerr2	-0.20 mag
sy_vmagstr	12.6±0.2	V (Johnson) Magnitude
sy_w1mag	—
sy_w1magerr1	—
sy_w1magerr2	—
sy_w1magstr	—	W1 (WISE) Magnitude
sy_w2mag	—
sy_w2magerr1	—
sy_w2magerr2	—
sy_w2magstr	—	W2 (WISE) Magnitude
sy_w3mag	—
sy_w3magerr1	—
sy_w3magerr2	—
sy_w3magstr	—	W3 (WISE) Magnitude
sy_w4mag	—
sy_w4magerr1	—
sy_w4magerr2	—
sy_w4magstr	—	W4 (WISE) Magnitude
sy_zmag	—
sy_zmagerr1	—
sy_zmagerr2	—
sy_zmagstr	—	z (Sloan) Magnitude
tic_id	TIC 77156829	TIC ID
tran_flag	1
ttv_flag	0
x	0.29
y	0.71
z	-0.64

Record 3

Transit • 2021 • Transiting Exoplanet Survey Satellite (TESS)

🪐

▶All Properties

Property	Value	Description
ast_flag	0
cb_flag	0
dec	-39.79 deg
decstr	-39d47m27.15s	Dec [sexagesimal]
default_flag	0
disc_facility	Transiting Exoplanet Survey Satellite (TESS)	Discovery Facility
disc_instrument	TESS CCD Array	Discovery Instrument
disc_locale	Space	Discovery Locale
disc_pubdate	2022-04	Discovery Publication Date
disc_refname	<a refstr=SILVERSTEIN_ET_AL__2022 href=https://ui.adsabs.harvard.edu/abs/2022AJ....163..151S/abstract target=ref>Silverstein et al. 2022</a>	Discovery Reference
disc_telescope	0.1 m TESS Telescope	Discovery Telescope
disc_year	2021
discoverymethod	Transit	Discovery Method
dkin_flag	0
elat	-60.57 deg
elon	54.46 deg
etv_flag	0
gaia_dr2_id	Gaia DR2 4864160624337973248	Gaia DR2 ID
gaia_dr3_id	Gaia DR3 4864160624337973248	Gaia DR3 ID
glat	-42.92 deg
glon	243.30 deg
hd_name	—	HD ID
hip_name	—	HIP ID
hostname	LHS 1678	Host Name
htm20	1504924265
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	510.90 K
pl_eqterr1	—
pl_eqterr2	—
pl_eqtlim	0
pl_eqtstr	510.904079282393	Equilibrium Temperature [K]
pl_imppar	—
pl_impparerr1	—
pl_impparerr2	—
pl_impparlim	—
pl_impparstr	—	Impact Parameter
pl_insol	16.10 Searth
pl_insolerr1	—
pl_insolerr2	—
pl_insollim	0
pl_insolstr	16.1019503402701	Insolation Flux [Earth Flux]
pl_letter	c	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	LHS 1678 c	Planet Name
pl_ndispec	0
pl_nespec	0
pl_nnotes	2
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	3.69 day
pl_orbpererr1	1.08e-5 day
pl_orbpererr2	-1.08e-5 day
pl_orbperlim	0
pl_orbperstr	3.69426040883462±0.00001084446500	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	1.04 Rearth
pl_radeerr1	0.44 Rearth
pl_radeerr2	-0.44 Rearth
pl_radelim	0
pl_radestr	1.04284069552705±0.43906880000000	Planet Radius [Earth Radius]
pl_radj	0.09 Rjupiter
pl_radjerr1	0.04 Rjupiter
pl_radjerr2	-0.04 Rjupiter
pl_radjlim	0
pl_radjstr	0.0930361754951590±0.0391711621021883	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	0.08 %
pl_trandeperr1	6.54e-3 %
pl_trandeperr2	-6.54e-3 %
pl_trandeplim	0
pl_trandepstr	0.0832822592104649±0.0065355650000000	Transit Depth [%]
pl_trandur	1.13 hour
pl_trandurerr1	0.27 hour
pl_trandurerr2	-0.27 hour
pl_trandurlim	0
pl_trandurstr	1.12785211360107±0.27371076000000	Transit Duration [hour]
pl_tranmid	2.46e6 day
pl_tranmiderr1	8.65e-4 day
pl_tranmiderr2	-8.65e-4 day
pl_tranmidlim	0
pl_tranmidstr	2458411.06751700±0.00086534	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	68.18 deg
rastr	04h32m42.96s	RA [sexagesimal]
releasedate	2022-08-09	Release Date
rowupdate	2022-08-09	Date of Last Update
rv_flag	0
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	4.89 log(cm/s**2)
st_loggerr1	0.49 log(cm/s**2)
st_loggerr2	-0.49 log(cm/s**2)
st_logglim	0
st_loggstr	4.890440±0.492117	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	0.34 Rsun
st_raderr1	0.01 Rsun
st_raderr2	-0.01 Rsun
st_radlim	0
st_radstr	0.338189989328384±0.010419600000000	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	3450 K
st_tefferr1	111 K
st_tefferr2	-111 K
st_tefflim	0
st_teffstr	3450±111	Stellar Effective Temperature [K]
st_vsin	—
st_vsinerr1	—
st_vsinerr2	—
st_vsinlim	—
st_vsinstr	—	Stellar Rotational Velocity [km/s]
sy_bmag	—
sy_bmagerr1	—
sy_bmagerr2	—
sy_bmagstr	—	B (Johnson) Magnitude
sy_dist	19.88 pc
sy_disterr1	9.40e-3 pc
sy_disterr2	-9.40e-3 pc
sy_diststr	19.8782±0.0094	Distance [pc]
sy_gaiamag	11.54 mag
sy_gaiamagerr1	5.09e-4 mag
sy_gaiamagerr2	-5.09e-4 mag
sy_gaiamagstr	11.540300±0.000509	Gaia Magnitude
sy_gmag	—
sy_gmagerr1	—
sy_gmagerr2	—
sy_gmagstr	—	g (Sloan) Magnitude
sy_hmag	8.50 mag
sy_hmagerr1	0.05 mag
sy_hmagerr2	-0.05 mag
sy_hmagstr	8.501±0.047	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	9.02 mag
sy_jmagerr1	0.03 mag
sy_jmagerr2	-0.03 mag
sy_jmagstr	9.020001±0.032000	J (2MASS) Magnitude
sy_kepmag	—
sy_kepmagerr1	—
sy_kepmagerr2	—
sy_kepmagstr	—	Kepler Magnitude
sy_kmag	8.26 mag
sy_kmagerr1	0.03 mag
sy_kmagerr2	-0.03 mag
sy_kmagstr	8.264±0.029	Ks (2MASS) Magnitude
sy_mnum	0
sy_plx	50.28 mas
sy_plxerr1	0.02 mas
sy_plxerr2	-0.02 mas
sy_plxstr	50.2773000±0.0236008	Parallax [mas]
sy_pm	996.95 mas/yr
sy_pmdec	-967.77 mas/yr
sy_pmdecerr1	0.05 mas/yr
sy_pmdecerr2	-0.05 mas/yr
sy_pmdecstr	-967.7720000±0.0505479	Proper Motion (Dec) [mas/yr]
sy_pmerr1	0.05 mas/yr
sy_pmerr2	-0.05 mas/yr
sy_pmra	239.41 mas/yr
sy_pmraerr1	0.04 mas/yr
sy_pmraerr2	-0.04 mas/yr
sy_pmrastr	239.4100000±0.0414089	Proper Motion (RA) [mas/yr]
sy_pmstr	996.9452302±0.0500662	Total Proper Motion [mas/yr]
sy_pnum	3
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	2
sy_tmag	10.43 mag
sy_tmagerr1	7.32e-3 mag
sy_tmagerr2	-7.32e-3 mag
sy_tmagstr	10.4276000±0.0073249	TESS Magnitude
sy_umag	—
sy_umagerr1	—
sy_umagerr2	—
sy_umagstr	—	u (Sloan) Magnitude
sy_vmag	12.60 mag
sy_vmagerr1	0.20 mag
sy_vmagerr2	-0.20 mag
sy_vmagstr	12.6±0.2	V (Johnson) Magnitude
sy_w1mag	—
sy_w1magerr1	—
sy_w1magerr2	—
sy_w1magstr	—	W1 (WISE) Magnitude
sy_w2mag	—
sy_w2magerr1	—
sy_w2magerr2	—
sy_w2magstr	—	W2 (WISE) Magnitude
sy_w3mag	—
sy_w3magerr1	—
sy_w3magerr2	—
sy_w3magstr	—	W3 (WISE) Magnitude
sy_w4mag	—
sy_w4magerr1	—
sy_w4magerr2	—
sy_w4magstr	—	W4 (WISE) Magnitude
sy_zmag	—
sy_zmagerr1	—
sy_zmagerr2	—
sy_zmagstr	—	z (Sloan) Magnitude
tic_id	TIC 77156829	TIC ID
tran_flag	1
ttv_flag	0
x	0.29
y	0.71
z	-0.64