Exoplanet Records
Radial Velocity • 2025 • La Silla Observatory
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | -34.41 deg | |
| decstr | -34d24m24.97s | Dec [sexagesimal] |
| default_flag | 1 | |
| disc_facility | La Silla Observatory | Discovery Facility |
| disc_instrument | HARPS Spectrograph | Discovery Instrument |
| disc_locale | Ground | Discovery Locale |
| disc_pubdate | 2025-09 | Discovery Publication Date |
| disc_refname | <a refstr=GANDOLFI_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025arXiv250910136G/abstract target=ref>Gandolfi et al. 2025</a> | Discovery Reference |
| disc_telescope | 3.6 m ESO Telescope | Discovery Telescope |
| disc_year | 2025 | |
| discoverymethod | Radial Velocity | Discovery Method |
| dkin_flag | 0 | |
| elat | -35.83 deg | |
| elon | 184.97 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 5402390257832925952 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 5402390257832925952 | Gaia DR3 ID |
| glat | 24.19 deg | |
| glon | 280.78 deg | |
| hd_name | — | HD ID |
| hip_name | HIP 54779 | HIP ID |
| hostname | TOI-1203 | Host Name |
| htm20 | -493628253 | |
| ima_flag | 0 | |
| micro_flag | 0 | |
| obm_flag | 0 | |
| pl_bmasse | 3.51 Mearth | |
| pl_bmasseerr1 | 0.33 Mearth | |
| pl_bmasseerr2 | -0.32 Mearth | |
| pl_bmasselim | 0 | |
| pl_bmassestr | <div><span class="supersubNumber">3.51</span><span class="superscript">+0.33</span><span class="subscript">-0.32</span></div> | Planet Mass or Mass*sin(i) [Earth Mass] |
| pl_bmassj | 0.01 Mjupiter | |
| pl_bmassjerr1 | 1.04e-3 Mjupiter | |
| pl_bmassjerr2 | -1.01e-3 Mjupiter | |
| pl_bmassjlim | 0 | |
| pl_bmassjstr | <div><span class="supersubNumber">0.0110</span><span class="superscript">+0.0010</span><span class="subscript">-0.0010</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 | 5.48 g/cm**3 | |
| pl_denserr1 | 0.74 g/cm**3 | |
| pl_denserr2 | -0.67 g/cm**3 | |
| pl_denslim | 0 | |
| pl_densstr | <div><span class="supersubNumber">5.48</span><span class="superscript">+0.74</span><span class="subscript">-0.67</span></div> | Planet Density [g/cm**3] |
| pl_eqt | 1361.20 K | |
| pl_eqterr1 | 18.80 K | |
| pl_eqterr2 | -18.40 K | |
| pl_eqtlim | 0 | |
| pl_eqtstr | <div><span class="supersubNumber">1361.2</span><span class="superscript">+18.8</span><span class="subscript">-18.4</span></div> | Equilibrium Temperature [K] |
| pl_imppar | 0.85 | |
| pl_impparerr1 | 0.02 | |
| pl_impparerr2 | -0.03 | |
| pl_impparlim | 0 | |
| pl_impparstr | <div><span class="supersubNumber">0.847</span><span class="superscript">+0.017</span><span class="subscript">-0.029</span></div> | Impact Parameter |
| pl_insol | 572.20 Searth | |
| pl_insolerr1 | 32.30 Searth | |
| pl_insolerr2 | -30.30 Searth | |
| pl_insollim | 0 | |
| pl_insolstr | <div><span class="supersubNumber">572.2</span><span class="superscript">+32.3</span><span class="subscript">-30.3</span></div> | Insolation Flux [Earth Flux] |
| pl_letter | b | Planet Letter |
| pl_masse | 3.51 Mearth | |
| pl_masseerr1 | 0.33 Mearth | |
| pl_masseerr2 | -0.32 Mearth | |
| pl_masselim | 0 | |
| pl_massestr | <div><span class="supersubNumber">3.51</span><span class="superscript">+0.33</span><span class="subscript">-0.32</span></div> | Planet Mass [Earth Mass] |
| pl_massj | 0.01 Mjupiter | |
| pl_massjerr1 | 1.04e-3 Mjupiter | |
| pl_massjerr2 | -1.01e-3 Mjupiter | |
| pl_massjlim | 0 | |
| pl_massjstr | <div><span class="supersubNumber">0.0110</span><span class="superscript">+0.0010</span><span class="subscript">-0.0010</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 | TOI-1203 b | 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 | 0.07 | |
| pl_orbeccenerr1 | 0.06 | |
| pl_orbeccenerr2 | -0.04 | |
| pl_orbeccenlim | 0 | |
| pl_orbeccenstr | <div><span class="supersubNumber">0.0670</span><span class="superscript">+0.0630</span><span class="subscript">-0.0450</span></div> | Eccentricity |
| pl_orbincl | 84.29 deg | |
| pl_orbinclerr1 | 0.24 deg | |
| pl_orbinclerr2 | -0.32 deg | |
| pl_orbincllim | 0 | |
| pl_orbinclstr | <div><span class="supersubNumber">84.29</span><span class="superscript">+0.24</span><span class="subscript">-0.32</span></div> | Inclination [deg] |
| pl_orblper | 125.40 deg | |
| pl_orblpererr1 | 84.70 deg | |
| pl_orblpererr2 | -39 deg | |
| pl_orblperlim | 0 | |
| pl_orblperstr | <div><span class="supersubNumber">125.4</span><span class="superscript">+84.7</span><span class="subscript">-39.0</span></div> | Argument of Periastron [deg] |
| pl_orbper | 4.16 day | |
| pl_orbpererr1 | 5.00e-6 day | |
| pl_orbpererr2 | -4.90e-6 day | |
| pl_orbperlim | 0 | |
| pl_orbperstr | <div><span class="supersubNumber">4.1572888</span><span class="superscript">+0.0000050</span><span class="subscript">-0.0000049</span></div> | Orbital Period [day] |
| pl_orbsmax | 0.05 au | |
| pl_orbsmaxerr1 | 9.40e-4 au | |
| pl_orbsmaxerr2 | -9.50e-4 au | |
| pl_orbsmaxlim | 0 | |
| pl_orbsmaxstr | <div><span class="supersubNumber">0.04869</span><span class="superscript">+0.00094</span><span class="subscript">-0.00095</span></div> | Orbit Semi-Major Axis [au] |
| pl_orbtper | 2.46e6 day | |
| pl_orbtpererr1 | 0.76 day | |
| pl_orbtpererr2 | -0.42 day | |
| pl_orbtperlim | 0 | |
| pl_orbtperstr | <div><span class="supersubNumber">2458546.16</span><span class="superscript">+0.76</span><span class="subscript">-0.42</span></div> | Epoch of Periastron [day] |
| pl_projobliq | — | |
| pl_projobliqerr1 | — | |
| pl_projobliqerr2 | — | |
| pl_projobliqlim | — | |
| pl_projobliqstr | — | Projected Obliquity [deg] |
| pl_pubdate | 2025-09 | Planetary Parameter Reference Publication Date |
| pl_rade | 1.52 Rearth | |
| pl_radeerr1 | 0.04 Rearth | |
| pl_radeerr2 | -0.05 Rearth | |
| pl_radelim | 0 | |
| pl_radestr | <div><span class="supersubNumber">1.520</span><span class="superscript">+0.045</span><span class="subscript">-0.046</span></div> | Planet Radius [Earth Radius] |
| pl_radj | 0.14 Rjupiter | |
| pl_radjerr1 | 4.01e-3 Rjupiter | |
| pl_radjerr2 | -4.10e-3 Rjupiter | |
| pl_radjlim | 0 | |
| pl_radjstr | <div><span class="supersubNumber">0.1356</span><span class="superscript">+0.0040</span><span class="subscript">-0.0041</span></div> | Planet Radius [Jupiter Radius] |
| pl_ratdor | 8.88 | |
| pl_ratdorerr1 | 0.15 | |
| pl_ratdorerr2 | -0.15 | |
| pl_ratdorlim | 0 | |
| pl_ratdorstr | 8.88±0.15 | Ratio of Semi-Major Axis to Stellar Radius |
| pl_ratror | 0.01 | |
| pl_ratrorerr1 | 3.30e-4 | |
| pl_ratrorerr2 | -3.40e-4 | |
| pl_ratrorlim | 0 | |
| pl_ratrorstr | <div><span class="supersubNumber">0.01182</span><span class="superscript">+0.00033</span><span class="subscript">-0.00034</span></div> | Ratio of Planet to Stellar Radius |
| pl_refname | <a refstr=GANDOLFI_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025arXiv250910136G/abstract target=ref>Gandolfi et al. 2025</a> | Planetary Parameter Reference |
| pl_rvamp | 1.51 m/s | |
| pl_rvamperr1 | 0.13 m/s | |
| pl_rvamperr2 | -0.13 m/s | |
| pl_rvamplim | 0 | |
| pl_rvampstr | 1.51±0.13 | Radial Velocity Amplitude [m/s] |
| pl_trandep | — | |
| pl_trandeperr1 | — | |
| pl_trandeperr2 | — | |
| pl_trandeplim | — | |
| pl_trandepstr | — | Transit Depth [%] |
| pl_trandur | 1.91 hour | |
| pl_trandurerr1 | 0.03 hour | |
| pl_trandurerr2 | -0.03 hour | |
| pl_trandurlim | 0 | |
| pl_trandurstr | 1.911±0.027 | Transit Duration [hour] |
| pl_tranmid | 2.46e6 day | |
| pl_tranmiderr1 | 1.30e-3 day | |
| pl_tranmiderr2 | -1.20e-3 day | |
| pl_tranmidlim | 0 | |
| pl_tranmidstr | <div><span class="supersubNumber">2458545.8916</span><span class="superscript">+0.0013</span><span class="subscript">-0.0012</span></div> | Time of Conjunction (Transit Midpoint) [day] |
| pl_trueobliq | — | |
| pl_trueobliqerr1 | — | |
| pl_trueobliqerr2 | — | |
| pl_trueobliqlim | — | |
| pl_trueobliqstr | — | True Obliquity [deg] |
| pl_tsystemref | BJD-TDB | Time Reference Frame and Standard |
| ptv_flag | 0 | |
| pul_flag | 0 | |
| ra | 168.23 deg | |
| rastr | 11h12m54.42s | RA [sexagesimal] |
| releasedate | 2025-10-02 | Release Date |
| rowupdate | 2025-10-02 | Date of Last Update |
| rv_flag | 1 | |
| soltype | Published Confirmed | Solution Type |
| st_age | 12.50 Gyr | |
| st_ageerr1 | 1.30 Gyr | |
| st_ageerr2 | -2.40 Gyr | |
| st_agelim | 0 | |
| st_agestr | <div><span class="supersubNumber">12.5</span><span class="superscript">+1.3</span><span class="subscript">-2.4</span></div> | Stellar Age [Gyr] |
| st_dens | 0.77 g/cm**3 | |
| st_denserr1 | 0.04 g/cm**3 | |
| st_denserr2 | -0.04 g/cm**3 | |
| st_denslim | 0 | |
| st_densstr | 0.767±0.039 | Stellar Density [g/cm**3] |
| st_logg | 4.34 log(cm/s**2) | |
| st_loggerr1 | 0.10 log(cm/s**2) | |
| st_loggerr2 | -0.10 log(cm/s**2) | |
| st_logglim | 0 | |
| st_loggstr | 4.34±0.10 | Stellar Surface Gravity [log(cm/s**2)] |
| st_lum | — | |
| st_lumerr1 | — | |
| st_lumerr2 | — | |
| st_lumlim | — | |
| st_lumstr | — | Stellar Luminosity [log(Solar)] |
| st_mass | 0.89 Msun | |
| st_masserr1 | 0.04 Msun | |
| st_masserr2 | -0.04 Msun | |
| st_masslim | 0 | |
| st_massstr | 0.886±0.036 | Stellar Mass [Solar mass] |
| st_met | -0.39 dex | |
| st_meterr1 | 0.04 dex | |
| st_meterr2 | -0.04 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | -0.39±0.04 | Stellar Metallicity [dex] |
| st_nphot | 0 | |
| st_nrvc | 0 | |
| st_nspec | 0 | |
| st_rad | 1.18 Rsun | |
| st_raderr1 | 0.01 Rsun | |
| st_raderr2 | -0.01 Rsun | |
| st_radlim | 0 | |
| st_radstr | 1.179±0.011 | Stellar Radius [Solar Radius] |
| st_radv | 72.66 km/s | |
| st_radverr1 | 3.00e-3 km/s | |
| st_radverr2 | -3.00e-3 km/s | |
| st_radvlim | 0 | |
| st_radvstr | 72.657±0.003 | Systemic Radial Velocity [km/s] |
| st_refname | <a refstr=GANDOLFI_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025arXiv250910136G/abstract target=ref>Gandolfi et al. 2025</a> | Stellar Parameter Reference |
| st_rotp | — | |
| st_rotperr1 | — | |
| st_rotperr2 | — | |
| st_rotplim | — | |
| st_rotpstr | — | Stellar Rotational Period [day] |
| st_spectype | G3 V | Spectral Type |
| st_teff | 5737 K | |
| st_tefferr1 | 62 K | |
| st_tefferr2 | -62 K | |
| st_tefflim | 0 | |
| st_teffstr | 5737±62 | Stellar Effective Temperature [K] |
| st_vsin | 1.40 km/s | |
| st_vsinerr1 | 0.50 km/s | |
| st_vsinerr2 | -0.50 km/s | |
| st_vsinlim | 0 | |
| st_vsinstr | 1.4±0.5 | Stellar Rotational Velocity [km/s] |
| sy_bmag | 9.13 mag | |
| sy_bmagerr1 | 0 mag | |
| sy_bmagerr2 | 0 mag | |
| sy_bmagstr | 9.134±0.000 | B (Johnson) Magnitude |
| sy_dist | 64.99 pc | |
| sy_disterr1 | 0.19 pc | |
| sy_disterr2 | -0.19 pc | |
| sy_diststr | <div><span class="supersubNumber">64.9943</span><span class="superscript">+0.1902</span><span class="subscript">-0.1891</span></div> | Distance [pc] |
| sy_gaiamag | 8.42 mag | |
| sy_gaiamagerr1 | 1.97e-4 mag | |
| sy_gaiamagerr2 | -1.97e-4 mag | |
| sy_gaiamagstr | 8.421960±0.000197 | Gaia Magnitude |
| sy_gmag | — | |
| sy_gmagerr1 | — | |
| sy_gmagerr2 | — | |
| sy_gmagstr | — | g (Sloan) Magnitude |
| sy_hmag | 7.10 mag | |
| sy_hmagerr1 | 0.04 mag | |
| sy_hmagerr2 | -0.04 mag | |
| sy_hmagstr | 7.102±0.038 | 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 | 7.41 mag | |
| sy_jmagerr1 | 0.02 mag | |
| sy_jmagerr2 | -0.02 mag | |
| sy_jmagstr | 7.411±0.021 | J (2MASS) Magnitude |
| sy_kepmag | — | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | — | Kepler Magnitude |
| sy_kmag | 7.00 mag | |
| sy_kmagerr1 | 0.02 mag | |
| sy_kmagerr2 | -0.02 mag | |
| sy_kmagstr | 6.997±0.021 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | 15.36 mas | |
| sy_plxerr1 | 0.04 mas | |
| sy_plxerr2 | -0.04 mas | |
| sy_plxstr | 15.3572000±0.0445647 | Parallax [mas] |
| sy_pm | 296.33 mas/yr | |
| sy_pmdec | -44.78 mas/yr | |
| sy_pmdecerr1 | 0.05 mas/yr | |
| sy_pmdecerr2 | -0.05 mas/yr | |
| sy_pmdecstr | -44.7830000±0.0499625 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 0.05 mas/yr | |
| sy_pmerr2 | -0.05 mas/yr | |
| sy_pmra | 292.93 mas/yr | |
| sy_pmraerr1 | 0.05 mas/yr | |
| sy_pmraerr2 | -0.05 mas/yr | |
| sy_pmrastr | 292.9310000±0.0480903 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 296.3344189±0.0481339 | 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 | 8.00 mag | |
| sy_tmagerr1 | 6.00e-3 mag | |
| sy_tmagerr2 | -6.00e-3 mag | |
| sy_tmagstr | 7.9995±0.0060 | TESS Magnitude |
| sy_umag | — | |
| sy_umagerr1 | — | |
| sy_umagerr2 | — | |
| sy_umagstr | — | u (Sloan) Magnitude |
| sy_vmag | 8.59 mag | |
| sy_vmagerr1 | 0.03 mag | |
| sy_vmagerr2 | -0.03 mag | |
| sy_vmagstr | 8.59±0.03 | 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 23434737 | TIC ID |
| tran_flag | 1 | |
| ttv_flag | 0 | |
| x | -0.81 | |
| y | 0.17 | |
| z | -0.57 |