Exoplanet Records
Transit • 2018 • K2
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | -8.54 deg | |
| decstr | -08d32m09.54s | Dec [sexagesimal] |
| default_flag | 1 | |
| disc_facility | K2 | Discovery Facility |
| disc_instrument | Kepler CCD Array | Discovery Instrument |
| disc_locale | Space | Discovery Locale |
| disc_pubdate | 2018-08 | Discovery Publication Date |
| disc_refname | <a refstr=LIVINGSTON_ET_AL__2018 href=https://ui.adsabs.harvard.edu/abs/2018AJ....156...78L/abstract target=ref>Livingston et al. 2018</a> | Discovery Reference |
| disc_telescope | 0.95 m Kepler Telescope | Discovery Telescope |
| disc_year | 2018 | |
| discoverymethod | Transit | Discovery Method |
| dkin_flag | 0 | |
| elat | -3.62 deg | |
| elon | 193.16 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 3675248118423392256 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 3675248118423392256 | Gaia DR3 ID |
| glat | 54.27 deg | |
| glon | 299.25 deg | |
| hd_name | — | HD ID |
| hip_name | — | HIP ID |
| hostname | K2-251 | Host Name |
| htm20 | 1775857545 | |
| ima_flag | 0 | |
| micro_flag | 0 | |
| obm_flag | 0 | |
| pl_bmasse | — | |
| pl_bmasseerr1 | — | |
| pl_bmasseerr2 | — | |
| pl_bmasselim | — | |
| pl_bmassestr | — | Planet Mass or Mass*sin(i) [Earth Mass] |
| pl_bmassj | — | |
| pl_bmassjerr1 | — | |
| pl_bmassjerr2 | — | |
| pl_bmassjlim | — | |
| pl_bmassjstr | — | Planet Mass or Mass*sin(i) [Jupiter Mass] |
| pl_bmassprov | — | 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 | 437 K | |
| pl_eqterr1 | 9 K | |
| pl_eqterr2 | -9 K | |
| pl_eqtlim | 0 | |
| pl_eqtstr | 437±9 | Equilibrium Temperature [K] |
| pl_imppar | 0.44 | |
| pl_impparerr1 | 0.33 | |
| pl_impparerr2 | -0.30 | |
| pl_impparlim | 0 | |
| pl_impparstr | <div><span class="supersubNumber">0.44</span><span class="superscript">+0.33</span><span class="subscript">-0.30</span></div> | Impact Parameter |
| pl_insol | — | |
| pl_insolerr1 | — | |
| pl_insolerr2 | — | |
| pl_insollim | — | |
| pl_insolstr | — | Insolation Flux [Earth Flux] |
| pl_letter | b | 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 | — | |
| 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 | K2-251 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 | — | |
| 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 | 9.30 day | |
| pl_orbpererr1 | 3.32e-3 day | |
| pl_orbpererr2 | -3.21e-3 day | |
| pl_orbperlim | 0 | |
| pl_orbperstr | <div><span class="supersubNumber">9.30075</span><span class="superscript">+0.00332</span><span class="subscript">-0.00321</span></div> | Orbital Period [day] |
| pl_orbsmax | 0.07 au | |
| pl_orbsmaxerr1 | 5.00e-4 au | |
| pl_orbsmaxerr2 | -5.00e-4 au | |
| pl_orbsmaxlim | 0 | |
| pl_orbsmaxstr | 0.0694±0.0005 | 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 | 2018-08 | Planetary Parameter Reference Publication Date |
| pl_rade | 2.35 Rearth | |
| pl_radeerr1 | 0.26 Rearth | |
| pl_radeerr2 | -0.21 Rearth | |
| pl_radelim | 0 | |
| pl_radestr | <div><span class="supersubNumber">2.35</span><span class="superscript">+0.26</span><span class="subscript">-0.21</span></div> | Planet Radius [Earth Radius] |
| pl_radj | 0.21 Rjupiter | |
| pl_radjerr1 | 0.02 Rjupiter | |
| pl_radjerr2 | -0.02 Rjupiter | |
| pl_radjlim | 0 | |
| pl_radjstr | <div><span class="supersubNumber">0.210</span><span class="superscript">+0.023</span><span class="subscript">-0.019</span></div> | Planet Radius [Jupiter Radius] |
| pl_ratdor | 20.60 | |
| pl_ratdorerr1 | 4.90 | |
| pl_ratdorerr2 | -6.10 | |
| pl_ratdorlim | 0 | |
| pl_ratdorstr | <div><span class="supersubNumber">20.6</span><span class="superscript">+4.9</span><span class="subscript">-6.1</span></div> | Ratio of Semi-Major Axis to Stellar Radius |
| pl_ratror | 0.04 | |
| pl_ratrorerr1 | 4.70e-3 | |
| pl_ratrorerr2 | -3.80e-3 | |
| pl_ratrorlim | 0 | |
| pl_ratrorstr | <div><span class="supersubNumber">0.0437</span><span class="superscript">+0.0047</span><span class="subscript">-0.0038</span></div> | Ratio of Planet to Stellar Radius |
| pl_refname | <a refstr=LIVINGSTON_ET_AL__2018 href=https://ui.adsabs.harvard.edu/abs/2018AJ....156...78L/abstract target=ref>Livingston et al. 2018</a> | Planetary Parameter Reference |
| pl_rvamp | — | |
| pl_rvamperr1 | — | |
| pl_rvamperr2 | — | |
| pl_rvamplim | — | |
| pl_rvampstr | — | Radial Velocity Amplitude [m/s] |
| pl_trandep | 0.21 % | |
| pl_trandeperr1 | — | |
| pl_trandeperr2 | — | |
| pl_trandeplim | 0 | |
| pl_trandepstr | 0.214 | Transit Depth [%] |
| pl_trandur | 2.70 hour | |
| pl_trandurerr1 | — | |
| pl_trandurerr2 | — | |
| pl_trandurlim | 0 | |
| pl_trandurstr | 2.7 | Transit Duration [hour] |
| pl_tranmid | 2.46e6 day | |
| pl_tranmiderr1 | 0.01 day | |
| pl_tranmiderr2 | -0.01 day | |
| pl_tranmidlim | 0 | |
| pl_tranmidstr | <div><span class="supersubNumber">2457589.0782</span><span class="superscript">+0.0128</span><span class="subscript">-0.0108</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 | 190.69 deg | |
| rastr | 12h42m45.42s | RA [sexagesimal] |
| releasedate | 2022-03-28 | Release Date |
| rowupdate | 2022-03-28 | Date of Last Update |
| rv_flag | 0 | |
| 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 | 4.76 log(cm/s**2) | |
| st_loggerr1 | 0.01 log(cm/s**2) | |
| st_loggerr2 | -0.01 log(cm/s**2) | |
| st_logglim | 0 | |
| st_loggstr | 4.76±0.01 | Stellar Surface Gravity [log(cm/s**2)] |
| st_lum | — | |
| st_lumerr1 | — | |
| st_lumerr2 | — | |
| st_lumlim | — | |
| st_lumstr | — | Stellar Luminosity [log(Solar)] |
| st_mass | 0.52 Msun | |
| st_masserr1 | 0.01 Msun | |
| st_masserr2 | -0.01 Msun | |
| st_masslim | 0 | |
| st_massstr | 0.52±0.01 | Stellar Mass [Solar mass] |
| st_met | -0.04 dex | |
| st_meterr1 | 0.18 dex | |
| st_meterr2 | -0.19 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | <div><span class="supersubNumber">-0.040</span><span class="superscript">+0.180</span><span class="subscript">-0.190</span></div> | Stellar Metallicity [dex] |
| st_nphot | 0 | |
| st_nrvc | 0 | |
| st_nspec | 0 | |
| st_rad | 0.49 Rsun | |
| st_raderr1 | 0.01 Rsun | |
| st_raderr2 | -0.01 Rsun | |
| st_radlim | 0 | |
| st_radstr | 0.49±0.01 | Stellar Radius [Solar Radius] |
| st_radv | — | |
| st_radverr1 | — | |
| st_radverr2 | — | |
| st_radvlim | — | |
| st_radvstr | — | Systemic Radial Velocity [km/s] |
| st_refname | <a refstr=LIVINGSTON_ET_AL__2018 href=https://ui.adsabs.harvard.edu/abs/2018AJ....156...78L/abstract target=ref>Livingston et al. 2018</a> | Stellar Parameter Reference |
| st_rotp | — | |
| st_rotperr1 | — | |
| st_rotperr2 | — | |
| st_rotplim | — | |
| st_rotpstr | — | Stellar Rotational Period [day] |
| st_spectype | — | Spectral Type |
| st_teff | 3717 K | |
| st_tefferr1 | 85 K | |
| st_tefferr2 | -50 K | |
| st_tefflim | 0 | |
| st_teffstr | <div><span class="supersubNumber">3717</span><span class="superscript">+85</span><span class="subscript">-50</span></div> | Stellar Effective Temperature [K] |
| st_vsin | — | |
| st_vsinerr1 | — | |
| st_vsinerr2 | — | |
| st_vsinlim | — | |
| st_vsinstr | — | Stellar Rotational Velocity [km/s] |
| sy_bmag | 17.17 mag | |
| sy_bmagerr1 | 0.05 mag | |
| sy_bmagerr2 | -0.05 mag | |
| sy_bmagstr | 17.173±0.049 | B (Johnson) Magnitude |
| sy_dist | 147.03 pc | |
| sy_disterr1 | 1.04 pc | |
| sy_disterr2 | -1.03 pc | |
| sy_diststr | <div><span class="supersubNumber">147.030</span><span class="superscript">+1.042</span><span class="subscript">-1.028</span></div> | Distance [pc] |
| sy_gaiamag | 14.77 mag | |
| sy_gaiamagerr1 | 3.98e-4 mag | |
| sy_gaiamagerr2 | -3.98e-4 mag | |
| sy_gaiamagstr | 14.770200±0.000398 | Gaia Magnitude |
| sy_gmag | — | |
| sy_gmagerr1 | — | |
| sy_gmagerr2 | — | |
| sy_gmagstr | — | g (Sloan) Magnitude |
| sy_hmag | 11.71 mag | |
| sy_hmagerr1 | 0.02 mag | |
| sy_hmagerr2 | -0.02 mag | |
| sy_hmagstr | 11.713±0.024 | 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 | 12.34 mag | |
| sy_jmagerr1 | 0.02 mag | |
| sy_jmagerr2 | -0.02 mag | |
| sy_jmagstr | 12.341±0.022 | J (2MASS) Magnitude |
| sy_kepmag | 14.81 mag | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | 14.806 | Kepler Magnitude |
| sy_kmag | 11.52 mag | |
| sy_kmagerr1 | 0.02 mag | |
| sy_kmagerr2 | -0.02 mag | |
| sy_kmagstr | 11.515±0.024 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | 6.77 mas | |
| sy_plxerr1 | 0.05 mas | |
| sy_plxerr2 | -0.05 mas | |
| sy_plxstr | 6.7729100±0.0474972 | Parallax [mas] |
| sy_pm | 21.08 mas/yr | |
| sy_pmdec | -18.01 mas/yr | |
| sy_pmdecerr1 | 0.06 mas/yr | |
| sy_pmdecerr2 | -0.06 mas/yr | |
| sy_pmdecstr | -18.0102000±0.0557282 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 0.07 mas/yr | |
| sy_pmerr2 | -0.07 mas/yr | |
| sy_pmra | 10.96 mas/yr | |
| sy_pmraerr1 | 0.09 mas/yr | |
| sy_pmraerr2 | -0.09 mas/yr | |
| sy_pmrastr | 10.9579000±0.0933339 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 21.0818139±0.0679713 | Total Proper Motion [mas/yr] |
| sy_pnum | 1 | |
| 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 | 13.69 mag | |
| sy_tmagerr1 | 7.38e-3 mag | |
| sy_tmagerr2 | -7.38e-3 mag | |
| sy_tmagstr | 13.6875000±0.0073827 | TESS Magnitude |
| sy_umag | — | |
| sy_umagerr1 | — | |
| sy_umagerr2 | — | |
| sy_umagstr | — | u (Sloan) Magnitude |
| sy_vmag | 15.66 mag | |
| sy_vmagerr1 | 0.18 mag | |
| sy_vmagerr2 | -0.18 mag | |
| sy_vmagstr | 15.660±0.183 | V (Johnson) Magnitude |
| sy_w1mag | 11.37 mag | |
| sy_w1magerr1 | 0.02 mag | |
| sy_w1magerr2 | -0.02 mag | |
| sy_w1magstr | 11.365±0.023 | W1 (WISE) Magnitude |
| sy_w2mag | 11.30 mag | |
| sy_w2magerr1 | 0.02 mag | |
| sy_w2magerr2 | -0.02 mag | |
| sy_w2magstr | 11.297±0.022 | W2 (WISE) Magnitude |
| sy_w3mag | 11.34 mag | |
| sy_w3magerr1 | 0.17 mag | |
| sy_w3magerr2 | -0.17 mag | |
| sy_w3magstr | 11.342±0.173 | W3 (WISE) Magnitude |
| sy_w4mag | 8.60 mag | |
| sy_w4magerr1 | — | |
| sy_w4magerr2 | — | |
| sy_w4magstr | 8.601 | W4 (WISE) Magnitude |
| sy_zmag | — | |
| sy_zmagerr1 | — | |
| sy_zmagerr2 | — | |
| sy_zmagstr | — | z (Sloan) Magnitude |
| tic_id | TIC 156584871 | TIC ID |
| tran_flag | 1 | |
| ttv_flag | 0 | |
| x | -0.97 | |
| y | -0.18 | |
| z | -0.15 |