Exoplanet Records
Radial Velocity • 2025 • W. M. Keck Observatory
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | -9.06 deg | |
| decstr | -09d03m21.92s | Dec [sexagesimal] |
| default_flag | 1 | |
| disc_facility | W. M. Keck Observatory | Discovery Facility |
| disc_instrument | HIRES Spectrometer | Discovery Instrument |
| disc_locale | Ground | Discovery Locale |
| disc_pubdate | 2025-06 | Discovery Publication Date |
| disc_refname | <a refstr=HOWARD_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025ApJS..278...52H/abstract target=ref>Howard et al. 2025</a> | Discovery Reference |
| disc_telescope | 10 m Keck I Telescope | Discovery Telescope |
| disc_year | 2025 | |
| discoverymethod | Radial Velocity | Discovery Method |
| dkin_flag | 0 | |
| elat | 1.23 deg | |
| elon | 333.56 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 2616071555020488960 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 2616071555020488960 | Gaia DR3 ID |
| glat | -49.99 deg | |
| glon | 52.52 deg | |
| hd_name | — | HD ID |
| hip_name | — | HIP ID |
| hostname | K2-73 | Host Name |
| htm20 | 374146318 | |
| ima_flag | 0 | |
| micro_flag | 0 | |
| obm_flag | 0 | |
| pl_bmasse | 1142 Mearth | |
| pl_bmasseerr1 | 53 Mearth | |
| pl_bmasseerr2 | -45 Mearth | |
| pl_bmasselim | 0 | |
| pl_bmassestr | <div><span class="supersubNumber">1142.0</span><span class="superscript">+53.0</span><span class="subscript">-45.0</span></div> | Planet Mass or Mass*sin(i) [Earth Mass] |
| pl_bmassj | 3.59 Mjupiter | |
| pl_bmassjerr1 | 0.17 Mjupiter | |
| pl_bmassjerr2 | -0.14 Mjupiter | |
| pl_bmassjlim | 0 | |
| pl_bmassjstr | <div><span class="supersubNumber">3.5931</span><span class="superscript">+0.1668</span><span class="subscript">-0.1416</span></div> | 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 | 186.10 K | |
| pl_eqterr1 | 6.60 K | |
| pl_eqterr2 | -7.20 K | |
| pl_eqtlim | 0 | |
| pl_eqtstr | <div><span class="supersubNumber">186.1</span><span class="superscript">+6.6</span><span class="subscript">-7.2</span></div> | Equilibrium Temperature [K] |
| pl_imppar | — | |
| pl_impparerr1 | — | |
| pl_impparerr2 | — | |
| pl_impparlim | — | |
| pl_impparstr | — | Impact Parameter |
| pl_insol | 0.28 Searth | |
| pl_insolerr1 | 0.04 Searth | |
| pl_insolerr2 | -0.04 Searth | |
| pl_insollim | 0 | |
| pl_insolstr | 0.285±0.042 | 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 | 1142 Mearth | |
| pl_msinieerr1 | 53 Mearth | |
| pl_msinieerr2 | -45 Mearth | |
| pl_msinielim | 0 | |
| pl_msiniestr | <div><span class="supersubNumber">1142.0</span><span class="superscript">+53.0</span><span class="subscript">-45.0</span></div> | Planet Mass*sin(i) [Earth Mass] |
| pl_msinij | 3.59 Mjupiter | |
| pl_msinijerr1 | 0.17 Mjupiter | |
| pl_msinijerr2 | -0.14 Mjupiter | |
| pl_msinijlim | 0 | |
| pl_msinijstr | <div><span class="supersubNumber">3.5931</span><span class="superscript">+0.1668</span><span class="subscript">-0.1416</span></div> | Planet Mass*sin(i) [Jupiter Mass] |
| pl_name | K2-73 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 | — | |
| 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 | 1000 day | |
| pl_orbpererr1 | 100 day | |
| pl_orbpererr2 | -100 day | |
| pl_orbperlim | 0 | |
| pl_orbperstr | 1000.00±100.00 | 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 | 2025-06 | 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=HOWARD_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025ApJS..278...52H/abstract target=ref>Howard et al. 2025</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 | — | |
| pl_trandurerr1 | — | |
| pl_trandurerr2 | — | |
| pl_trandurlim | — | |
| pl_trandurstr | — | Transit Duration [hour] |
| pl_tranmid | 2456905 day | |
| pl_tranmiderr1 | 62 day | |
| pl_tranmiderr2 | -99 day | |
| pl_tranmidlim | 0 | |
| pl_tranmidstr | <div><span class="supersubNumber">2456905.0</span><span class="superscript">+62.0</span><span class="subscript">-99.0</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 | 335.03 deg | |
| rastr | 22h20m06.16s | RA [sexagesimal] |
| releasedate | 2025-09-17 | Release Date |
| rowupdate | 2025-09-17 | 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 | 4.39 log(cm/s**2) | |
| st_loggerr1 | 0.08 log(cm/s**2) | |
| st_loggerr2 | -0.08 log(cm/s**2) | |
| st_logglim | 0 | |
| st_loggstr | 4.390±0.081 | Stellar Surface Gravity [log(cm/s**2)] |
| st_lum | — | |
| st_lumerr1 | — | |
| st_lumerr2 | — | |
| st_lumlim | — | |
| st_lumstr | — | Stellar Luminosity [log(Solar)] |
| st_mass | 1.02 Msun | |
| st_masserr1 | 0.04 Msun | |
| st_masserr2 | -0.04 Msun | |
| st_masslim | 0 | |
| st_massstr | 1.02±0.04 | Stellar Mass [Solar mass] |
| st_met | 0.04 dex | |
| st_meterr1 | 0.04 dex | |
| st_meterr2 | -0.04 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | 0.040±0.044 | Stellar Metallicity [dex] |
| st_nphot | 0 | |
| st_nrvc | 0 | |
| st_nspec | 0 | |
| st_rad | 1.06 Rsun | |
| st_raderr1 | 0.04 Rsun | |
| st_raderr2 | -0.04 Rsun | |
| st_radlim | 0 | |
| st_radstr | 1.058±0.039 | Stellar Radius [Solar Radius] |
| st_radv | — | |
| st_radverr1 | — | |
| st_radverr2 | — | |
| st_radvlim | — | |
| st_radvstr | — | Systemic Radial Velocity [km/s] |
| st_refname | <a refstr=HOWARD_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025ApJS..278...52H/abstract target=ref>Howard et al. 2025</a> | Stellar Parameter Reference |
| st_rotp | — | |
| st_rotperr1 | — | |
| st_rotperr2 | — | |
| st_rotplim | — | |
| st_rotpstr | — | Stellar Rotational Period [day] |
| st_spectype | — | Spectral Type |
| st_teff | 5867 K | |
| st_tefferr1 | 100 K | |
| st_tefferr2 | -100 K | |
| st_tefflim | 0 | |
| st_teffstr | 5867.0±100.0 | Stellar Effective Temperature [K] |
| st_vsin | 2 km/s | |
| st_vsinerr1 | 1 km/s | |
| st_vsinerr2 | -1 km/s | |
| st_vsinlim | 0 | |
| st_vsinstr | 2.0±1.0 | Stellar Rotational Velocity [km/s] |
| sy_bmag | 12.43 mag | |
| sy_bmagerr1 | 0.36 mag | |
| sy_bmagerr2 | -0.36 mag | |
| sy_bmagstr | 12.433±0.356 | B (Johnson) Magnitude |
| sy_dist | 269.18 pc | |
| sy_disterr1 | 2.54 pc | |
| sy_disterr2 | -2.49 pc | |
| sy_diststr | <div><span class="supersubNumber">269.183</span><span class="superscript">+2.539</span><span class="subscript">-2.493</span></div> | Distance [pc] |
| sy_gaiamag | 11.71 mag | |
| sy_gaiamagerr1 | 2.89e-4 mag | |
| sy_gaiamagerr2 | -2.89e-4 mag | |
| sy_gaiamagstr | 11.714600±0.000289 | Gaia Magnitude |
| sy_gmag | 12.41 mag | |
| sy_gmagerr1 | 1.41e-3 mag | |
| sy_gmagerr2 | -1.41e-3 mag | |
| sy_gmagstr | 12.4143000±0.0014095 | g (Sloan) Magnitude |
| sy_hmag | 10.38 mag | |
| sy_hmagerr1 | 0.02 mag | |
| sy_hmagerr2 | -0.02 mag | |
| sy_hmagstr | 10.382±0.022 | H (2MASS) Magnitude |
| sy_icmag | — | |
| sy_icmagerr1 | — | |
| sy_icmagerr2 | — | |
| sy_icmagstr | — | I (Cousins) Magnitude |
| sy_imag | 13.23 mag | |
| sy_imagerr1 | 4.77e-3 mag | |
| sy_imagerr2 | -4.77e-3 mag | |
| sy_imagstr | 13.2337000±0.0047745 | i (Sloan) Magnitude |
| sy_jmag | 10.70 mag | |
| sy_jmagerr1 | 0.03 mag | |
| sy_jmagerr2 | -0.03 mag | |
| sy_jmagstr | 10.695±0.026 | J (2MASS) Magnitude |
| sy_kepmag | 11.74 mag | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | 11.745 | Kepler Magnitude |
| sy_kmag | 10.32 mag | |
| sy_kmagerr1 | 0.02 mag | |
| sy_kmagerr2 | -0.02 mag | |
| sy_kmagstr | 10.322±0.021 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | 3.69 mas | |
| sy_plxerr1 | 0.03 mas | |
| sy_plxerr2 | -0.03 mas | |
| sy_plxstr | 3.6864300±0.0344589 | Parallax [mas] |
| sy_pm | 50.20 mas/yr | |
| sy_pmdec | 9.61 mas/yr | |
| sy_pmdecerr1 | 0.06 mas/yr | |
| sy_pmdecerr2 | -0.06 mas/yr | |
| sy_pmdecstr | 9.6118400±0.0599855 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 0.06 mas/yr | |
| sy_pmerr2 | -0.06 mas/yr | |
| sy_pmra | 49.27 mas/yr | |
| sy_pmraerr1 | 0.06 mas/yr | |
| sy_pmraerr2 | -0.06 mas/yr | |
| sy_pmrastr | 49.2720000±0.0615905 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 50.2007714±0.0615324 | Total Proper Motion [mas/yr] |
| sy_pnum | 2 | |
| 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 | 11.85 mag | |
| sy_rmagerr1 | 1.18e-3 mag | |
| sy_rmagerr2 | -1.18e-3 mag | |
| sy_rmagstr | 11.8450000±0.0011792 | r (Sloan) Magnitude |
| sy_snum | 1 | |
| sy_tmag | 11.28 mag | |
| sy_tmagerr1 | 6.10e-3 mag | |
| sy_tmagerr2 | -6.10e-3 mag | |
| sy_tmagstr | 11.2821±0.0061 | TESS Magnitude |
| sy_umag | 14.39 mag | |
| sy_umagerr1 | 4.56e-3 mag | |
| sy_umagerr2 | -4.56e-3 mag | |
| sy_umagstr | 14.3929000±0.0045608 | u (Sloan) Magnitude |
| sy_vmag | 11.35 mag | |
| sy_vmagerr1 | 0.03 mag | |
| sy_vmagerr2 | -0.03 mag | |
| sy_vmagstr | 11.345±0.034 | V (Johnson) Magnitude |
| sy_w1mag | 10.29 mag | |
| sy_w1magerr1 | 0.02 mag | |
| sy_w1magerr2 | -0.02 mag | |
| sy_w1magstr | 10.293±0.023 | W1 (WISE) Magnitude |
| sy_w2mag | 10.34 mag | |
| sy_w2magerr1 | 0.02 mag | |
| sy_w2magerr2 | -0.02 mag | |
| sy_w2magstr | 10.335±0.020 | W2 (WISE) Magnitude |
| sy_w3mag | 10.22 mag | |
| sy_w3magerr1 | 0.07 mag | |
| sy_w3magerr2 | -0.07 mag | |
| sy_w3magstr | 10.223±0.070 | W3 (WISE) Magnitude |
| sy_w4mag | 8.89 mag | |
| sy_w4magerr1 | — | |
| sy_w4magerr2 | — | |
| sy_w4magstr | 8.891 | W4 (WISE) Magnitude |
| sy_zmag | 12.59 mag | |
| sy_zmagerr1 | 4.51e-3 mag | |
| sy_zmagerr2 | -4.51e-3 mag | |
| sy_zmagstr | 12.5888000±0.0045115 | z (Sloan) Magnitude |
| tic_id | TIC 38354061 | TIC ID |
| tran_flag | 0 | |
| ttv_flag | 0 | |
| x | 0.90 | |
| y | -0.42 | |
| z | -0.16 |