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Barnard e

Exoplanet Records

๐Ÿ“ŠKey Properties

Host Star

Barnard's star

Discovery

Radial Velocity

Year

2025

Period

6.74 day

Radius

โ€”

Mass

0.19 Mearth

Eq. Temp

340 K

๐ŸงพRecords(1 rows)

Record 1

Radial Velocity โ€ข 2025 โ€ข Gemini Observatory

๐Ÿช
โ–ถAll Properties
PropertyValueDescription
ast_flag0
cb_flag0
dec4.74 deg
decstr+04d44m16.73s Dec [sexagesimal]
default_flag1
disc_facilityGemini Observatory Discovery Facility
disc_instrumentMAROON-X Discovery Instrument
disc_localeGround Discovery Locale
disc_pubdate2025-03 Discovery Publication Date
disc_refname<a refstr=BASANT_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025ApJ...982L...1B/abstract target=ref>Basant et al. 2025</a> Discovery Reference
disc_telescope8.19 m Gemini North Telescope Discovery Telescope
disc_year2025
discoverymethodRadial Velocity Discovery Method
dkin_flag0
elat28.18 deg
elon269.37 deg
etv_flag0
gaia_dr2_idGaia DR2 4472832130942575872 Gaia DR2 ID
gaia_dr3_idGaia DR3 4472832130942575872 Gaia DR3 ID
glat14.09 deg
glon31.05 deg
hd_nameโ€” HD ID
hip_nameHIP 87937 HIP ID
hostnameBarnard's star Host Name
htm201313887056
ima_flag0
micro_flag0
obm_flag0
pl_bmasse0.19 Mearth
pl_bmasseerr10.03 Mearth
pl_bmasseerr2-0.03 Mearth
pl_bmasselim0
pl_bmassestr0.193&plusmn;0.033 Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj6.07e-4 Mjupiter
pl_bmassjerr11.04e-4 Mjupiter
pl_bmassjerr2-1.04e-4 Mjupiter
pl_bmassjlim0
pl_bmassjstr0.000607&plusmn;0.000104 Planet Mass or Mass*sin(i) [Jupiter Mass]
pl_bmassprovMsini Planet Mass or Mass*sin(i) Provenance
pl_cmasseโ€”
pl_cmasseerr1โ€”
pl_cmasseerr2โ€”
pl_cmasselimโ€”
pl_cmassestrโ€” Planet Mass*sin(i)/sin(i) [Earth Mass]
pl_cmassjโ€”
pl_cmassjerr1โ€”
pl_cmassjerr2โ€”
pl_cmassjlimโ€”
pl_cmassjstrโ€” Planet Mass*sin(i)/sin(i) [Jupiter Mass]
pl_controv_flag0
pl_densโ€”
pl_denserr1โ€”
pl_denserr2โ€”
pl_denslimโ€”
pl_densstrโ€” Planet Density [g/cm**3]
pl_eqt340 K
pl_eqterr1โ€”
pl_eqterr2โ€”
pl_eqtlim0
pl_eqtstr340 Equilibrium Temperature [K]
pl_impparโ€”
pl_impparerr1โ€”
pl_impparerr2โ€”
pl_impparlimโ€”
pl_impparstrโ€” Impact Parameter
pl_insolโ€”
pl_insolerr1โ€”
pl_insolerr2โ€”
pl_insollimโ€”
pl_insolstrโ€” Insolation Flux [Earth Flux]
pl_lettere Planet Letter
pl_masseโ€”
pl_masseerr1โ€”
pl_masseerr2โ€”
pl_masselimโ€”
pl_massestrโ€” Planet Mass [Earth Mass]
pl_massjโ€”
pl_massjerr1โ€”
pl_massjerr2โ€”
pl_massjlimโ€”
pl_massjstrโ€” Planet Mass [Jupiter Mass]
pl_msinie0.19 Mearth
pl_msinieerr10.03 Mearth
pl_msinieerr2-0.03 Mearth
pl_msinielim0
pl_msiniestr0.193&plusmn;0.033 Planet Mass*sin(i) [Earth Mass]
pl_msinij6.07e-4 Mjupiter
pl_msinijerr11.04e-4 Mjupiter
pl_msinijerr2-1.04e-4 Mjupiter
pl_msinijlim0
pl_msinijstr0.000607&plusmn;0.000104 Planet Mass*sin(i) [Jupiter Mass]
pl_nameBarnard e Planet Name
pl_ndispec0
pl_nespec0
pl_nnotes0
pl_ntranspec0
pl_occdepโ€”
pl_occdeperr1โ€”
pl_occdeperr2โ€”
pl_occdeplimโ€”
pl_occdepstrโ€” Occultation Depth [%]
pl_orbeccen0.04
pl_orbeccenerr10.03
pl_orbeccenerr2-0.04
pl_orbeccenlim0
pl_orbeccenstr<div><span class="supersubNumber">0.04</span><span class="superscript">+0.03</span><span class="subscript">-0.04</span></div> Eccentricity
pl_orbinclโ€”
pl_orbinclerr1โ€”
pl_orbinclerr2โ€”
pl_orbincllimโ€”
pl_orbinclstrโ€” Inclination [deg]
pl_orblper-27.50 deg
pl_orblpererr1137.50 deg
pl_orblpererr2-96.10 deg
pl_orblperlim0
pl_orblperstr<div><span class="supersubNumber">-27.50</span><span class="superscript">+137.50</span><span class="subscript">-96.10</span></div> Argument of Periastron [deg]
pl_orbper6.74 day
pl_orbpererr13.00e-3 day
pl_orbpererr2-3.00e-3 day
pl_orbperlim0
pl_orbperstr6.7392&plusmn;0.0030 Orbital Period [day]
pl_orbsmax0.04 au
pl_orbsmaxerr15.00e-4 au
pl_orbsmaxerr2-5.00e-4 au
pl_orbsmaxlim0
pl_orbsmaxstr0.0381&plusmn;0.0005 Orbit Semi-Major Axis [au]
pl_orbtper2.46e6 day
pl_orbtpererr10.37 day
pl_orbtpererr2-0.36 day
pl_orbtperlim0
pl_orbtperstr<div><span class="supersubNumber">2460245.30</span><span class="superscript">+0.37</span><span class="subscript">-0.36</span></div> Epoch of Periastron [day]
pl_projobliqโ€”
pl_projobliqerr1โ€”
pl_projobliqerr2โ€”
pl_projobliqlimโ€”
pl_projobliqstrโ€” Projected Obliquity [deg]
pl_pubdate2025-03 Planetary Parameter Reference Publication Date
pl_radeโ€”
pl_radeerr1โ€”
pl_radeerr2โ€”
pl_radelimโ€”
pl_radestrโ€” Planet Radius [Earth Radius]
pl_radjโ€”
pl_radjerr1โ€”
pl_radjerr2โ€”
pl_radjlimโ€”
pl_radjstrโ€” Planet Radius [Jupiter Radius]
pl_ratdorโ€”
pl_ratdorerr1โ€”
pl_ratdorerr2โ€”
pl_ratdorlimโ€”
pl_ratdorstrโ€” Ratio of Semi-Major Axis to Stellar Radius
pl_ratrorโ€”
pl_ratrorerr1โ€”
pl_ratrorerr2โ€”
pl_ratrorlimโ€”
pl_ratrorstrโ€” Ratio of Planet to Stellar Radius
pl_refname<a refstr=BASANT_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025ApJ...982L...1B/abstract target=ref>Basant et al. 2025</a> Planetary Parameter Reference
pl_rvamp0.22 m/s
pl_rvamperr10.04 m/s
pl_rvamperr2-0.04 m/s
pl_rvamplim0
pl_rvampstr0.221&plusmn;0.037 Radial Velocity Amplitude [m/s]
pl_trandepโ€”
pl_trandeperr1โ€”
pl_trandeperr2โ€”
pl_trandeplimโ€”
pl_trandepstrโ€” Transit Depth [%]
pl_trandurโ€”
pl_trandurerr1โ€”
pl_trandurerr2โ€”
pl_trandurlimโ€”
pl_trandurstrโ€” Transit Duration [hour]
pl_tranmidโ€”
pl_tranmiderr1โ€”
pl_tranmiderr2โ€”
pl_tranmidlimโ€”
pl_tranmidstrโ€” Time of Conjunction (Transit Midpoint) [day]
pl_trueobliqโ€”
pl_trueobliqerr1โ€”
pl_trueobliqerr2โ€”
pl_trueobliqlimโ€”
pl_trueobliqstrโ€” True Obliquity [deg]
pl_tsystemrefBJD Time Reference Frame and Standard
ptv_flag0
pul_flag0
ra269.45 deg
rastr17h57m47.67s RA [sexagesimal]
releasedate2025-03-10 Release Date
rowupdate2025-03-10 Date of Last Update
rv_flag1
soltypePublished Confirmed Solution Type
st_ageโ€”
st_ageerr1โ€”
st_ageerr2โ€”
st_agelimโ€”
st_agestrโ€” Stellar Age [Gyr]
st_densโ€”
st_denserr1โ€”
st_denserr2โ€”
st_denslimโ€”
st_densstrโ€” Stellar Density [g/cm**3]
st_logg4.90 log(cm/s**2)
st_loggerr10.09 log(cm/s**2)
st_loggerr2-0.09 log(cm/s**2)
st_logglim0
st_loggstr4.90&plusmn;0.09 Stellar Surface Gravity [log(cm/s**2)]
st_lum-2.45 log(Lsun)
st_lumerr18.72e-3 log(Lsun)
st_lumerr2-8.90e-3 log(Lsun)
st_lumlim0
st_lumstr<div><span class="supersubNumber">-2.450</span><span class="superscript">+0.009</span><span class="subscript">-0.009</span></div> Stellar Luminosity [log(Solar)]
st_mass0.16 Msun
st_masserr17.00e-3 Msun
st_masserr2-7.00e-3 Msun
st_masslim0
st_massstr0.162&plusmn;0.007 Stellar Mass [Solar mass]
st_met-0.56 dex
st_meterr10.07 dex
st_meterr2-0.07 dex
st_metlim0
st_metratio[Fe/H] Stellar Metallicity Ratio
st_metstr-0.56&plusmn;0.07 Stellar Metallicity [dex]
st_nphot1
st_nrvc0
st_nspec6
st_rad0.18 Rsun
st_raderr16.00e-3 Rsun
st_raderr2-6.00e-3 Rsun
st_radlim0
st_radstr0.185&plusmn;0.006 Stellar Radius [Solar Radius]
st_radvโ€”
st_radverr1โ€”
st_radverr2โ€”
st_radvlimโ€”
st_radvstrโ€” Systemic Radial Velocity [km/s]
st_refname<a refstr=GONZALEZ_HERNANDEZ_ET_AL__2024 href=https://ui.adsabs.harvard.edu/abs/2024arXiv241000569G/abstract target=ref>Gonzalez Hernandez et al. 2024</a> Stellar Parameter Reference
st_rotp142 day
st_rotperr19 day
st_rotperr2-9 day
st_rotplim0
st_rotpstr142&plusmn;9 Stellar Rotational Period [day]
st_spectypeM3.5-4 V Spectral Type
st_teff3195 K
st_tefferr128 K
st_tefferr2-28 K
st_tefflim0
st_teffstr3195&plusmn;28 Stellar Effective Temperature [K]
st_vsinโ€”
st_vsinerr1โ€”
st_vsinerr2โ€”
st_vsinlimโ€”
st_vsinstrโ€” Stellar Rotational Velocity [km/s]
sy_bmag11.17 mag
sy_bmagerr10.06 mag
sy_bmagerr2-0.06 mag
sy_bmagstr11.169&plusmn;0.061 B (Johnson) Magnitude
sy_dist1.83 pc
sy_disterr19.75e-4 pc
sy_disterr2-9.75e-4 pc
sy_diststr1.826550&plusmn;0.000975 Distance [pc]
sy_gaiamag8.20 mag
sy_gaiamagerr12.00e-3 mag
sy_gaiamagerr2-2.00e-3 mag
sy_gaiamagstr8.195110&plusmn;0.001998 Gaia Magnitude
sy_gmag10.21 mag
sy_gmagerr12.04e-4 mag
sy_gmagerr2-2.04e-4 mag
sy_gmagstr10.213700&plusmn;0.000204 g (Sloan) Magnitude
sy_hmag4.83 mag
sy_hmagerr10.03 mag
sy_hmagerr2-0.03 mag
sy_hmagstr4.834&plusmn;0.034 H (2MASS) Magnitude
sy_icmagโ€”
sy_icmagerr1โ€”
sy_icmagerr2โ€”
sy_icmagstrโ€” I (Cousins) Magnitude
sy_imag11.11 mag
sy_imagerr12.67e-3 mag
sy_imagerr2-2.67e-3 mag
sy_imagstr11.108700&plusmn;0.002675 i (Sloan) Magnitude
sy_jmag5.24 mag
sy_jmagerr10.02 mag
sy_jmagerr2-0.02 mag
sy_jmagstr5.244&plusmn;0.020 J (2MASS) Magnitude
sy_kepmagโ€”
sy_kepmagerr1โ€”
sy_kepmagerr2โ€”
sy_kepmagstrโ€” Kepler Magnitude
sy_kmag4.52 mag
sy_kmagerr10.02 mag
sy_kmagerr2-0.02 mag
sy_kmagstr4.524&plusmn;0.020 Ks (2MASS) Magnitude
sy_mnum0
sy_plx547.45 mas
sy_plxerr10.29 mas
sy_plxerr2-0.29 mas
sy_plxstr547.451000&plusmn;0.289901 Parallax [mas]
sy_pm1.04e4 mas/yr
sy_pmdec1.04e4 mas/yr
sy_pmdecerr10.36 mas/yr
sy_pmdecerr2-0.36 mas/yr
sy_pmdecstr10362.500000&plusmn;0.359617 Proper Motion (Dec) [mas/yr]
sy_pmerr10.36 mas/yr
sy_pmerr2-0.36 mas/yr
sy_pmra-802.80 mas/yr
sy_pmraerr10.64 mas/yr
sy_pmraerr2-0.64 mas/yr
sy_pmrastr-802.803000&plusmn;0.637868 Proper Motion (RA) [mas/yr]
sy_pmstr10393.550832&plusmn;0.361912 Total Proper Motion [mas/yr]
sy_pnum4
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_rmag11.28 mag
sy_rmagerr11.80e-3 mag
sy_rmagerr2-1.80e-3 mag
sy_rmagstr11.2782000&plusmn;0.0018034 r (Sloan) Magnitude
sy_snum1
sy_tmag6.88 mag
sy_tmagerr17.43e-3 mag
sy_tmagerr2-7.43e-3 mag
sy_tmagstr6.882690&plusmn;0.007429 TESS Magnitude
sy_umag14.25 mag
sy_umagerr14.82e-3 mag
sy_umagerr2-4.82e-3 mag
sy_umagstr14.2471000&plusmn;0.0048158 u (Sloan) Magnitude
sy_vmag9.54 mag
sy_vmagerr10.10 mag
sy_vmagerr2-0.10 mag
sy_vmagstr9.54&plusmn;0.10 V (Johnson) Magnitude
sy_w1magโ€”
sy_w1magerr1โ€”
sy_w1magerr2โ€”
sy_w1magstrโ€” W1 (WISE) Magnitude
sy_w2magโ€”
sy_w2magerr1โ€”
sy_w2magerr2โ€”
sy_w2magstrโ€” W2 (WISE) Magnitude
sy_w3magโ€”
sy_w3magerr1โ€”
sy_w3magerr2โ€”
sy_w3magstrโ€” W3 (WISE) Magnitude
sy_w4magโ€”
sy_w4magerr1โ€”
sy_w4magerr2โ€”
sy_w4magstrโ€” W4 (WISE) Magnitude
sy_zmag7.16 mag
sy_zmagerr12.99e-4 mag
sy_zmagerr2-2.99e-4 mag
sy_zmagstr7.1575700&plusmn;0.0002994 z (Sloan) Magnitude
tic_idTIC 325554331 TIC ID
tran_flag0
ttv_flag0
x-9.59e-3
y-1.00
z0.08