Exoplanet Records
Radial Velocity • 2025 • Gemini Observatory
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | 4.74 deg | |
| decstr | +04d44m16.73s | Dec [sexagesimal] |
| default_flag | 1 | |
| disc_facility | Gemini Observatory | Discovery Facility |
| disc_instrument | MAROON-X | Discovery Instrument |
| disc_locale | Ground | Discovery Locale |
| disc_pubdate | 2025-03 | 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_telescope | 8.19 m Gemini North Telescope | Discovery Telescope |
| disc_year | 2025 | |
| discoverymethod | Radial Velocity | Discovery Method |
| dkin_flag | 0 | |
| elat | 28.18 deg | |
| elon | 269.37 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 4472832130942575872 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 4472832130942575872 | Gaia DR3 ID |
| glat | 14.09 deg | |
| glon | 31.05 deg | |
| hd_name | — | HD ID |
| hip_name | HIP 87937 | HIP ID |
| hostname | Barnard's star | Host Name |
| htm20 | 1313887056 | |
| ima_flag | 0 | |
| micro_flag | 0 | |
| obm_flag | 0 | |
| pl_bmasse | 0.26 Mearth | |
| pl_bmasseerr1 | 0.02 Mearth | |
| pl_bmasseerr2 | -0.02 Mearth | |
| pl_bmasselim | 0 | |
| pl_bmassestr | 0.263±0.024 | Planet Mass or Mass*sin(i) [Earth Mass] |
| pl_bmassj | 8.27e-4 Mjupiter | |
| pl_bmassjerr1 | 7.55e-5 Mjupiter | |
| pl_bmassjerr2 | -7.55e-5 Mjupiter | |
| pl_bmassjlim | 0 | |
| pl_bmassjstr | 0.000827±0.000076 | Planet Mass or Mass*sin(i) [Jupiter Mass] |
| pl_bmassprov | Msini | 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 | 483 K | |
| pl_eqterr1 | — | |
| pl_eqterr2 | — | |
| pl_eqtlim | 0 | |
| pl_eqtstr | 483 | 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 | d | 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 | 0.26 Mearth | |
| pl_msinieerr1 | 0.02 Mearth | |
| pl_msinieerr2 | -0.02 Mearth | |
| pl_msinielim | 0 | |
| pl_msiniestr | 0.263±0.024 | Planet Mass*sin(i) [Earth Mass] |
| pl_msinij | 8.27e-4 Mjupiter | |
| pl_msinijerr1 | 7.55e-5 Mjupiter | |
| pl_msinijerr2 | -7.55e-5 Mjupiter | |
| pl_msinijlim | 0 | |
| pl_msinijstr | 0.000827±0.000076 | Planet Mass*sin(i) [Jupiter Mass] |
| pl_name | Barnard d | 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 | 0.04 | |
| pl_orbeccenerr1 | 0.05 | |
| pl_orbeccenerr2 | -0.03 | |
| pl_orbeccenlim | 0 | |
| pl_orbeccenstr | <div><span class="supersubNumber">0.04</span><span class="superscript">+0.05</span><span class="subscript">-0.03</span></div> | Eccentricity |
| pl_orbincl | — | |
| pl_orbinclerr1 | — | |
| pl_orbinclerr2 | — | |
| pl_orbincllim | — | |
| pl_orbinclstr | — | Inclination [deg] |
| pl_orblper | -51.80 deg | |
| pl_orblpererr1 | 190.80 deg | |
| pl_orblpererr2 | -93.50 deg | |
| pl_orblperlim | 0 | |
| pl_orblperstr | <div><span class="supersubNumber">-51.80</span><span class="superscript">+190.80</span><span class="subscript">-93.50</span></div> | Argument of Periastron [deg] |
| pl_orbper | 2.34 day | |
| pl_orbpererr1 | 3.00e-4 day | |
| pl_orbpererr2 | -3.00e-4 day | |
| pl_orbperlim | 0 | |
| pl_orbperstr | 2.3402±0.0003 | Orbital Period [day] |
| pl_orbsmax | 0.02 au | |
| pl_orbsmaxerr1 | 3.00e-4 au | |
| pl_orbsmaxerr2 | -3.00e-4 au | |
| pl_orbsmaxlim | 0 | |
| pl_orbsmaxstr | 0.0188±0.0003 | Orbit Semi-Major Axis [au] |
| pl_orbtper | 2.46e6 day | |
| pl_orbtpererr1 | 0.08 day | |
| pl_orbtpererr2 | -0.07 day | |
| pl_orbtperlim | 0 | |
| pl_orbtperstr | <div><span class="supersubNumber">2460243.70</span><span class="superscript">+0.08</span><span class="subscript">-0.07</span></div> | Epoch of Periastron [day] |
| pl_projobliq | — | |
| pl_projobliqerr1 | — | |
| pl_projobliqerr2 | — | |
| pl_projobliqlim | — | |
| pl_projobliqstr | — | Projected Obliquity [deg] |
| pl_pubdate | 2025-03 | 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 | — | |
| 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=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_rvamp | 0.43 m/s | |
| pl_rvamperr1 | 0.04 m/s | |
| pl_rvamperr2 | -0.04 m/s | |
| pl_rvamplim | 0 | |
| pl_rvampstr | 0.428±0.036 | 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 | 269.45 deg | |
| rastr | 17h57m47.67s | RA [sexagesimal] |
| releasedate | 2025-03-10 | Release Date |
| rowupdate | 2025-03-10 | 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 | 4.90 log(cm/s**2) | |
| st_loggerr1 | 0.09 log(cm/s**2) | |
| st_loggerr2 | -0.09 log(cm/s**2) | |
| st_logglim | 0 | |
| st_loggstr | 4.90±0.09 | Stellar Surface Gravity [log(cm/s**2)] |
| st_lum | -2.45 log(Lsun) | |
| st_lumerr1 | 8.72e-3 log(Lsun) | |
| st_lumerr2 | -8.90e-3 log(Lsun) | |
| st_lumlim | 0 | |
| 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_mass | 0.16 Msun | |
| st_masserr1 | 7.00e-3 Msun | |
| st_masserr2 | -7.00e-3 Msun | |
| st_masslim | 0 | |
| st_massstr | 0.162±0.007 | Stellar Mass [Solar mass] |
| st_met | -0.56 dex | |
| st_meterr1 | 0.07 dex | |
| st_meterr2 | -0.07 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | -0.56±0.07 | Stellar Metallicity [dex] |
| st_nphot | 1 | |
| st_nrvc | 0 | |
| st_nspec | 6 | |
| st_rad | 0.18 Rsun | |
| st_raderr1 | 6.00e-3 Rsun | |
| st_raderr2 | -6.00e-3 Rsun | |
| st_radlim | 0 | |
| st_radstr | 0.185±0.006 | Stellar Radius [Solar Radius] |
| st_radv | — | |
| st_radverr1 | — | |
| st_radverr2 | — | |
| st_radvlim | — | |
| st_radvstr | — | 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_rotp | 142 day | |
| st_rotperr1 | 9 day | |
| st_rotperr2 | -9 day | |
| st_rotplim | 0 | |
| st_rotpstr | 142±9 | Stellar Rotational Period [day] |
| st_spectype | M3.5-4 V | Spectral Type |
| st_teff | 3195 K | |
| st_tefferr1 | 28 K | |
| st_tefferr2 | -28 K | |
| st_tefflim | 0 | |
| st_teffstr | 3195±28 | Stellar Effective Temperature [K] |
| st_vsin | — | |
| st_vsinerr1 | — | |
| st_vsinerr2 | — | |
| st_vsinlim | — | |
| st_vsinstr | — | Stellar Rotational Velocity [km/s] |
| sy_bmag | 11.17 mag | |
| sy_bmagerr1 | 0.06 mag | |
| sy_bmagerr2 | -0.06 mag | |
| sy_bmagstr | 11.169±0.061 | B (Johnson) Magnitude |
| sy_dist | 1.83 pc | |
| sy_disterr1 | 9.75e-4 pc | |
| sy_disterr2 | -9.75e-4 pc | |
| sy_diststr | 1.826550±0.000975 | Distance [pc] |
| sy_gaiamag | 8.20 mag | |
| sy_gaiamagerr1 | 2.00e-3 mag | |
| sy_gaiamagerr2 | -2.00e-3 mag | |
| sy_gaiamagstr | 8.195110±0.001998 | Gaia Magnitude |
| sy_gmag | 10.21 mag | |
| sy_gmagerr1 | 2.04e-4 mag | |
| sy_gmagerr2 | -2.04e-4 mag | |
| sy_gmagstr | 10.213700±0.000204 | g (Sloan) Magnitude |
| sy_hmag | 4.83 mag | |
| sy_hmagerr1 | 0.03 mag | |
| sy_hmagerr2 | -0.03 mag | |
| sy_hmagstr | 4.834±0.034 | H (2MASS) Magnitude |
| sy_icmag | — | |
| sy_icmagerr1 | — | |
| sy_icmagerr2 | — | |
| sy_icmagstr | — | I (Cousins) Magnitude |
| sy_imag | 11.11 mag | |
| sy_imagerr1 | 2.67e-3 mag | |
| sy_imagerr2 | -2.67e-3 mag | |
| sy_imagstr | 11.108700±0.002675 | i (Sloan) Magnitude |
| sy_jmag | 5.24 mag | |
| sy_jmagerr1 | 0.02 mag | |
| sy_jmagerr2 | -0.02 mag | |
| sy_jmagstr | 5.244±0.020 | J (2MASS) Magnitude |
| sy_kepmag | — | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | — | Kepler Magnitude |
| sy_kmag | 4.52 mag | |
| sy_kmagerr1 | 0.02 mag | |
| sy_kmagerr2 | -0.02 mag | |
| sy_kmagstr | 4.524±0.020 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | 547.45 mas | |
| sy_plxerr1 | 0.29 mas | |
| sy_plxerr2 | -0.29 mas | |
| sy_plxstr | 547.451000±0.289901 | Parallax [mas] |
| sy_pm | 1.04e4 mas/yr | |
| sy_pmdec | 1.04e4 mas/yr | |
| sy_pmdecerr1 | 0.36 mas/yr | |
| sy_pmdecerr2 | -0.36 mas/yr | |
| sy_pmdecstr | 10362.500000±0.359617 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 0.36 mas/yr | |
| sy_pmerr2 | -0.36 mas/yr | |
| sy_pmra | -802.80 mas/yr | |
| sy_pmraerr1 | 0.64 mas/yr | |
| sy_pmraerr2 | -0.64 mas/yr | |
| sy_pmrastr | -802.803000±0.637868 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 10393.550832±0.361912 | 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 | 11.28 mag | |
| sy_rmagerr1 | 1.80e-3 mag | |
| sy_rmagerr2 | -1.80e-3 mag | |
| sy_rmagstr | 11.2782000±0.0018034 | r (Sloan) Magnitude |
| sy_snum | 1 | |
| sy_tmag | 6.88 mag | |
| sy_tmagerr1 | 7.43e-3 mag | |
| sy_tmagerr2 | -7.43e-3 mag | |
| sy_tmagstr | 6.882690±0.007429 | TESS Magnitude |
| sy_umag | 14.25 mag | |
| sy_umagerr1 | 4.82e-3 mag | |
| sy_umagerr2 | -4.82e-3 mag | |
| sy_umagstr | 14.2471000±0.0048158 | u (Sloan) Magnitude |
| sy_vmag | 9.54 mag | |
| sy_vmagerr1 | 0.10 mag | |
| sy_vmagerr2 | -0.10 mag | |
| sy_vmagstr | 9.54±0.10 | 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 | 7.16 mag | |
| sy_zmagerr1 | 2.99e-4 mag | |
| sy_zmagerr2 | -2.99e-4 mag | |
| sy_zmagstr | 7.1575700±0.0002994 | z (Sloan) Magnitude |
| tic_id | TIC 325554331 | TIC ID |
| tran_flag | 0 | |
| ttv_flag | 0 | |
| x | -9.59e-3 | |
| y | -1.00 | |
| z | 0.08 |