Exoplanet Records
Radial Velocity • 2025 • Paranal Observatory
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | -5.78 deg | |
| decstr | -05d46m55.26s | Dec [sexagesimal] |
| default_flag | 1 | |
| disc_facility | Paranal Observatory | Discovery Facility |
| disc_instrument | ESPRESSO | Discovery Instrument |
| disc_locale | Ground | Discovery Locale |
| disc_pubdate | 2025-04 | Discovery Publication Date |
| disc_refname | <a refstr=CASTRO_GONZ_AMP_AACUTE_LEZ_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025arXiv250420999C/abstract target=ref>Castro-González et al. 2025</a> | Discovery Reference |
| disc_telescope | 8.2 m ESO VLT UT3 Melipal Telescope | Discovery Telescope |
| disc_year | 2025 | |
| discoverymethod | Radial Velocity | Discovery Method |
| dkin_flag | 0 | |
| elat | -3.82 deg | |
| elon | 185.74 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 3596333042162818304 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 3596333042162818304 | Gaia DR3 ID |
| glat | 55.93 deg | |
| glon | 286.60 deg | |
| hd_name | — | HD ID |
| hip_name | — | HIP ID |
| hostname | K2-157 | Host Name |
| htm20 | 1503740923 | |
| ima_flag | 0 | |
| micro_flag | 0 | |
| obm_flag | 0 | |
| pl_bmasse | 30.80 Mearth | |
| pl_bmasseerr1 | 1.90 Mearth | |
| pl_bmasseerr2 | -1.90 Mearth | |
| pl_bmasselim | 0 | |
| pl_bmassestr | 30.8±1.9 | Planet Mass or Mass*sin(i) [Earth Mass] |
| pl_bmassj | 0.10 Mjupiter | |
| pl_bmassjerr1 | 6.00e-3 Mjupiter | |
| pl_bmassjerr2 | -6.00e-3 Mjupiter | |
| pl_bmassjlim | 0 | |
| pl_bmassjstr | 0.09670±0.00600 | 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 | 587 K | |
| pl_eqterr1 | 10 K | |
| pl_eqterr2 | -10 K | |
| pl_eqtlim | 0 | |
| pl_eqtstr | 587±10 | Equilibrium Temperature [K] |
| pl_imppar | — | |
| pl_impparerr1 | — | |
| pl_impparerr2 | — | |
| pl_impparlim | — | |
| pl_impparstr | — | Impact Parameter |
| pl_insol | 22.65 Searth | |
| pl_insolerr1 | 0.68 Searth | |
| pl_insolerr2 | -0.68 Searth | |
| pl_insollim | 0 | |
| pl_insolstr | 22.65±0.68 | 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 | 30.80 Mearth | |
| pl_msinieerr1 | 1.90 Mearth | |
| pl_msinieerr2 | -1.90 Mearth | |
| pl_msinielim | 0 | |
| pl_msiniestr | 30.8±1.9 | Planet Mass*sin(i) [Earth Mass] |
| pl_msinij | 0.10 Mjupiter | |
| pl_msinijerr1 | 6.00e-3 Mjupiter | |
| pl_msinijerr2 | -6.00e-3 Mjupiter | |
| pl_msinijlim | 0 | |
| pl_msinijstr | 0.09670±0.00600 | Planet Mass*sin(i) [Jupiter Mass] |
| pl_name | K2-157 c | 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 | 0.20 | |
| pl_orbeccenerr1 | — | |
| pl_orbeccenerr2 | — | |
| pl_orbeccenlim | 1 | |
| pl_orbeccenstr | <0.2 | 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 | 25.94 day | |
| pl_orbpererr1 | 0.04 day | |
| pl_orbpererr2 | -0.04 day | |
| pl_orbperlim | 0 | |
| pl_orbperstr | <div><span class="supersubNumber">25.942</span><span class="superscript">+0.045</span><span class="subscript">-0.044</span></div> | Orbital Period [day] |
| pl_orbsmax | 0.17 au | |
| pl_orbsmaxerr1 | 1.80e-3 au | |
| pl_orbsmaxerr2 | -1.80e-3 au | |
| pl_orbsmaxlim | 0 | |
| pl_orbsmaxstr | 0.1650±0.0018 | 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 | 2025-04 | 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 | 41.20 | |
| pl_ratdorerr1 | 1 | |
| pl_ratdorerr2 | -1 | |
| pl_ratdorlim | 0 | |
| pl_ratdorstr | 41.2±1.0 | 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=CASTRO_GONZ_AMP_AACUTE_LEZ_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025arXiv250420999C/abstract target=ref>Castro-González et al. 2025</a> | Planetary Parameter Reference |
| pl_rvamp | 7.17 m/s | |
| pl_rvamperr1 | 0.42 m/s | |
| pl_rvamperr2 | -0.42 m/s | |
| pl_rvamplim | 0 | |
| pl_rvampstr | 7.17±0.42 | 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 | 2.46e6 day | |
| pl_tranmiderr1 | 0.30 day | |
| pl_tranmiderr2 | -0.30 day | |
| pl_tranmidlim | 0 | |
| pl_tranmidstr | 2458557.02±0.30 | Time of Conjunction (Transit Midpoint) [day] |
| pl_trueobliq | — | |
| pl_trueobliqerr1 | — | |
| pl_trueobliqerr2 | — | |
| pl_trueobliqlim | — | |
| pl_trueobliqstr | — | True Obliquity [deg] |
| pl_tsystemref | JD | Time Reference Frame and Standard |
| ptv_flag | 0 | |
| pul_flag | 0 | |
| ra | 183.75 deg | |
| rastr | 12h15m00.36s | RA [sexagesimal] |
| releasedate | 2025-05-13 | Release Date |
| rowupdate | 2025-05-13 | Date of Last Update |
| rv_flag | 1 | |
| soltype | Published Confirmed | Solution Type |
| st_age | 8.80 Gyr | |
| st_ageerr1 | 4 Gyr | |
| st_ageerr2 | -4 Gyr | |
| st_agelim | 0 | |
| st_agestr | 8.80±4.00 | Stellar Age [Gyr] |
| st_dens | — | |
| st_denserr1 | — | |
| st_denserr2 | — | |
| st_denslim | — | |
| st_densstr | — | Stellar Density [g/cm**3] |
| st_logg | 4.45 log(cm/s**2) | |
| st_loggerr1 | 0.04 log(cm/s**2) | |
| st_loggerr2 | -0.04 log(cm/s**2) | |
| st_logglim | 0 | |
| st_loggstr | 4.45±0.04 | 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 | 0.03 Msun | |
| st_masserr2 | -0.03 Msun | |
| st_masslim | 0 | |
| st_massstr | 0.890±0.029 | Stellar Mass [Solar mass] |
| st_met | 0.02 dex | |
| st_meterr1 | 0.04 dex | |
| st_meterr2 | -0.04 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | 0.02±0.04 | Stellar Metallicity [dex] |
| st_nphot | 0 | |
| st_nrvc | 0 | |
| st_nspec | 0 | |
| st_rad | 0.86 Rsun | |
| st_raderr1 | 0.02 Rsun | |
| st_raderr2 | -0.02 Rsun | |
| st_radlim | 0 | |
| st_radstr | 0.860±0.019 | Stellar Radius [Solar Radius] |
| st_radv | 43.45 km/s | |
| st_radverr1 | 6.40e-4 km/s | |
| st_radverr2 | -6.60e-4 km/s | |
| st_radvlim | 0 | |
| st_radvstr | <div><span class="supersubNumber">43.44811</span><span class="superscript">+0.00064</span><span class="subscript">-0.00066</span></div> | Systemic Radial Velocity [km/s] |
| st_refname | <a refstr=CASTRO_GONZ_AMP_AACUTE_LEZ_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025arXiv250420999C/abstract target=ref>Castro-González et al. 2025</a> | Stellar Parameter Reference |
| st_rotp | — | |
| st_rotperr1 | — | |
| st_rotperr2 | — | |
| st_rotplim | — | |
| st_rotpstr | — | Stellar Rotational Period [day] |
| st_spectype | G9 V | Spectral Type |
| st_teff | 5334 K | |
| st_tefferr1 | 64 K | |
| st_tefferr2 | -64 K | |
| st_tefflim | 0 | |
| st_teffstr | 5334±64 | Stellar Effective Temperature [K] |
| st_vsin | 3 km/s | |
| st_vsinerr1 | — | |
| st_vsinerr2 | — | |
| st_vsinlim | 1 | |
| st_vsinstr | <3 | Stellar Rotational Velocity [km/s] |
| sy_bmag | 13.61 mag | |
| sy_bmagerr1 | 0.01 mag | |
| sy_bmagerr2 | -0.01 mag | |
| sy_bmagstr | 13.609±0.013 | B (Johnson) Magnitude |
| sy_dist | 298.37 pc | |
| sy_disterr1 | 4.59 pc | |
| sy_disterr2 | -4.46 pc | |
| sy_diststr | <div><span class="supersubNumber">298.373</span><span class="superscript">+4.590</span><span class="subscript">-4.455</span></div> | Distance [pc] |
| sy_gaiamag | 12.64 mag | |
| sy_gaiamagerr1 | 1.77e-4 mag | |
| sy_gaiamagerr2 | -1.77e-4 mag | |
| sy_gaiamagstr | 12.641900±0.000177 | Gaia Magnitude |
| sy_gmag | — | |
| sy_gmagerr1 | — | |
| sy_gmagerr2 | — | |
| sy_gmagstr | — | g (Sloan) Magnitude |
| sy_hmag | 11.02 mag | |
| sy_hmagerr1 | 0.02 mag | |
| sy_hmagerr2 | -0.02 mag | |
| sy_hmagstr | 11.023±0.022 | 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 | 11.40 mag | |
| sy_jmagerr1 | 0.02 mag | |
| sy_jmagerr2 | -0.02 mag | |
| sy_jmagstr | 11.398±0.022 | J (2MASS) Magnitude |
| sy_kepmag | 12.60 mag | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | 12.604 | Kepler Magnitude |
| sy_kmag | 10.98 mag | |
| sy_kmagerr1 | 0.02 mag | |
| sy_kmagerr2 | -0.02 mag | |
| sy_kmagstr | 10.980±0.023 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | 3.32 mas | |
| sy_plxerr1 | 0.05 mas | |
| sy_plxerr2 | -0.05 mas | |
| sy_plxstr | 3.3235700±0.0504068 | Parallax [mas] |
| sy_pm | 37.51 mas/yr | |
| sy_pmdec | -7.65 mas/yr | |
| sy_pmdecerr1 | 0.06 mas/yr | |
| sy_pmdecerr2 | -0.06 mas/yr | |
| sy_pmdecstr | -7.6504100±0.0571847 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 0.10 mas/yr | |
| sy_pmerr2 | -0.10 mas/yr | |
| sy_pmra | 36.72 mas/yr | |
| sy_pmraerr1 | 0.10 mas/yr | |
| sy_pmraerr2 | -0.10 mas/yr | |
| sy_pmrastr | 36.722200±0.104773 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 37.5106484±0.1032317 | 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 | 1 | |
| sy_tmag | 12.13 mag | |
| sy_tmagerr1 | 6.40e-3 mag | |
| sy_tmagerr2 | -6.40e-3 mag | |
| sy_tmagstr | 12.1305±0.0064 | TESS Magnitude |
| sy_umag | — | |
| sy_umagerr1 | — | |
| sy_umagerr2 | — | |
| sy_umagstr | — | u (Sloan) Magnitude |
| sy_vmag | 12.94 mag | |
| sy_vmagerr1 | 0.07 mag | |
| sy_vmagerr2 | -0.07 mag | |
| sy_vmagstr | 12.942±0.069 | V (Johnson) Magnitude |
| sy_w1mag | 10.92 mag | |
| sy_w1magerr1 | 0.02 mag | |
| sy_w1magerr2 | -0.02 mag | |
| sy_w1magstr | 10.919±0.023 | W1 (WISE) Magnitude |
| sy_w2mag | 10.96 mag | |
| sy_w2magerr1 | 0.02 mag | |
| sy_w2magerr2 | -0.02 mag | |
| sy_w2magstr | 10.962±0.022 | W2 (WISE) Magnitude |
| sy_w3mag | 11.11 mag | |
| sy_w3magerr1 | 0.14 mag | |
| sy_w3magerr2 | -0.14 mag | |
| sy_w3magstr | 11.105±0.137 | W3 (WISE) Magnitude |
| sy_w4mag | 9.06 mag | |
| sy_w4magerr1 | — | |
| sy_w4magerr2 | — | |
| sy_w4magstr | 9.057 | W4 (WISE) Magnitude |
| sy_zmag | — | |
| sy_zmagerr1 | — | |
| sy_zmagerr2 | — | |
| sy_zmagstr | — | z (Sloan) Magnitude |
| tic_id | TIC 349445372 | TIC ID |
| tran_flag | 0 | |
| ttv_flag | 0 | |
| x | -0.99 | |
| y | -0.07 | |
| z | -0.10 |