Exoplanet Records
Transit • 2018 • K2
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | -8.31 deg | |
| decstr | -08d18m34.61s | 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 | -6.68 deg | |
| elon | 185.48 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 3582392123779246336 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 3582392123779246336 | Gaia DR3 ID |
| glat | 53.13 deg | |
| glon | 285.45 deg | |
| hd_name | — | HD ID |
| hip_name | — | HIP ID |
| hostname | K2-252 | Host Name |
| htm20 | -488879535 | |
| 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 | 639 K | |
| pl_eqterr1 | 7 K | |
| pl_eqterr2 | -7 K | |
| pl_eqtlim | 0 | |
| pl_eqtstr | 639±7 | Equilibrium Temperature [K] |
| pl_imppar | 0.41 | |
| pl_impparerr1 | 0.32 | |
| pl_impparerr2 | -0.28 | |
| pl_impparlim | 0 | |
| pl_impparstr | <div><span class="supersubNumber">0.41</span><span class="superscript">+0.32</span><span class="subscript">-0.28</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 | K2-252 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 | 13.82 day | |
| pl_orbpererr1 | 4.61e-3 day | |
| pl_orbpererr2 | -4.48e-3 day | |
| pl_orbperlim | 0 | |
| pl_orbperstr | <div><span class="supersubNumber">13.81513</span><span class="superscript">+0.00461</span><span class="subscript">-0.00448</span></div> | Orbital Period [day] |
| pl_orbsmax | 0.10 au | |
| pl_orbsmaxerr1 | 8.00e-4 au | |
| pl_orbsmaxerr2 | -7.00e-4 au | |
| pl_orbsmaxlim | 0 | |
| pl_orbsmaxstr | <div><span class="supersubNumber">0.1041</span><span class="superscript">+0.0008</span><span class="subscript">-0.0007</span></div> | 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 | 1.74 Rearth | |
| pl_radeerr1 | 0.17 Rearth | |
| pl_radeerr2 | -0.12 Rearth | |
| pl_radelim | 0 | |
| pl_radestr | <div><span class="supersubNumber">1.74</span><span class="superscript">+0.17</span><span class="subscript">-0.12</span></div> | Planet Radius [Earth Radius] |
| pl_radj | 0.16 Rjupiter | |
| pl_radjerr1 | 0.02 Rjupiter | |
| pl_radjerr2 | -0.01 Rjupiter | |
| pl_radjlim | 0 | |
| pl_radjstr | <div><span class="supersubNumber">0.155</span><span class="superscript">+0.015</span><span class="subscript">-0.011</span></div> | Planet Radius [Jupiter Radius] |
| pl_ratdor | 25.70 | |
| pl_ratdorerr1 | 3.50 | |
| pl_ratdorerr2 | -6.30 | |
| pl_ratdorlim | 0 | |
| pl_ratdorstr | <div><span class="supersubNumber">25.7</span><span class="superscript">+3.5</span><span class="subscript">-6.3</span></div> | Ratio of Semi-Major Axis to Stellar Radius |
| pl_ratror | 0.02 | |
| pl_ratrorerr1 | 1.80e-3 | |
| pl_ratrorerr2 | -1.30e-3 | |
| pl_ratrorlim | 0 | |
| pl_ratrorstr | <div><span class="supersubNumber">0.0193</span><span class="superscript">+0.0018</span><span class="subscript">-0.0013</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 | 0.04 % | |
| pl_trandeperr1 | — | |
| pl_trandeperr2 | — | |
| pl_trandeplim | 0 | |
| pl_trandepstr | 0.036 | Transit Depth [%] |
| pl_trandur | 3.60 hour | |
| pl_trandurerr1 | — | |
| pl_trandurerr2 | — | |
| pl_trandurlim | 0 | |
| pl_trandurstr | 3.6 | 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">2457596.1901</span><span class="superscript">+0.0118</span><span class="subscript">-0.0111</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 | 182.37 deg | |
| rastr | 12h09m27.93s | 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 | 4.50 log(cm/s**2) | |
| st_loggerr1 | 0.02 log(cm/s**2) | |
| st_loggerr2 | -0.01 log(cm/s**2) | |
| st_logglim | 0 | |
| st_loggstr | <div><span class="supersubNumber">4.50</span><span class="superscript">+0.02</span><span class="subscript">-0.01</span></div> | Stellar Surface Gravity [log(cm/s**2)] |
| st_lum | — | |
| st_lumerr1 | — | |
| st_lumerr2 | — | |
| st_lumlim | — | |
| st_lumstr | — | Stellar Luminosity [log(Solar)] |
| st_mass | 0.79 Msun | |
| st_masserr1 | 0.02 Msun | |
| st_masserr2 | -0.01 Msun | |
| st_masslim | 0 | |
| st_massstr | <div><span class="supersubNumber">0.79</span><span class="superscript">+0.02</span><span class="subscript">-0.01</span></div> | Stellar Mass [Solar mass] |
| st_met | -0.09 dex | |
| st_meterr1 | 0.04 dex | |
| st_meterr2 | -0.04 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | -0.090±0.040 | Stellar Metallicity [dex] |
| st_nphot | 0 | |
| st_nrvc | 0 | |
| st_nspec | 0 | |
| st_rad | 0.82 Rsun | |
| st_raderr1 | 0.01 Rsun | |
| st_raderr2 | -0.01 Rsun | |
| st_radlim | 0 | |
| st_radstr | 0.82±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 | 5152 K | |
| st_tefferr1 | 41 K | |
| st_tefferr2 | -39 K | |
| st_tefflim | 0 | |
| st_teffstr | <div><span class="supersubNumber">5152</span><span class="superscript">+41</span><span class="subscript">-39</span></div> | Stellar Effective Temperature [K] |
| st_vsin | 2.20 km/s | |
| st_vsinerr1 | 0.20 km/s | |
| st_vsinerr2 | -0.20 km/s | |
| st_vsinlim | 0 | |
| st_vsinstr | 2.20±0.20 | Stellar Rotational Velocity [km/s] |
| sy_bmag | 13.80 mag | |
| sy_bmagerr1 | 0.04 mag | |
| sy_bmagerr2 | -0.04 mag | |
| sy_bmagstr | 13.803±0.041 | B (Johnson) Magnitude |
| sy_dist | 228.84 pc | |
| sy_disterr1 | 2.08 pc | |
| sy_disterr2 | -2.05 pc | |
| sy_diststr | <div><span class="supersubNumber">228.839</span><span class="superscript">+2.083</span><span class="subscript">-2.047</span></div> | Distance [pc] |
| sy_gaiamag | 12.62 mag | |
| sy_gaiamagerr1 | 1.83e-4 mag | |
| sy_gaiamagerr2 | -1.83e-4 mag | |
| sy_gaiamagstr | 12.620100±0.000183 | Gaia Magnitude |
| sy_gmag | — | |
| sy_gmagerr1 | — | |
| sy_gmagerr2 | — | |
| sy_gmagstr | — | g (Sloan) Magnitude |
| sy_hmag | 10.77 mag | |
| sy_hmagerr1 | 0.02 mag | |
| sy_hmagerr2 | -0.02 mag | |
| sy_hmagstr | 10.774±0.021 | 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 | 11.24 mag | |
| sy_jmagerr1 | 0.02 mag | |
| sy_jmagerr2 | -0.02 mag | |
| sy_jmagstr | 11.236±0.023 | J (2MASS) Magnitude |
| sy_kepmag | 12.64 mag | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | 12.640 | Kepler Magnitude |
| sy_kmag | 10.68 mag | |
| sy_kmagerr1 | 0.02 mag | |
| sy_kmagerr2 | -0.02 mag | |
| sy_kmagstr | 10.683±0.021 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | 4.34 mas | |
| sy_plxerr1 | 0.04 mas | |
| sy_plxerr2 | -0.04 mas | |
| sy_plxstr | 4.3414300±0.0391406 | Parallax [mas] |
| sy_pm | 22.92 mas/yr | |
| sy_pmdec | -22.68 mas/yr | |
| sy_pmdecerr1 | 0.07 mas/yr | |
| sy_pmdecerr2 | -0.07 mas/yr | |
| sy_pmdecstr | -22.6784000±0.0659723 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 0.07 mas/yr | |
| sy_pmerr2 | -0.07 mas/yr | |
| sy_pmra | 3.30 mas/yr | |
| sy_pmraerr1 | 0.08 mas/yr | |
| sy_pmraerr2 | -0.08 mas/yr | |
| sy_pmrastr | 3.2966700±0.0827304 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 22.9167594±0.0663620 | 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 | 12.05 mag | |
| sy_tmagerr1 | 6.00e-3 mag | |
| sy_tmagerr2 | -6.00e-3 mag | |
| sy_tmagstr | 12.0482±0.0060 | TESS Magnitude |
| sy_umag | — | |
| sy_umagerr1 | — | |
| sy_umagerr2 | — | |
| sy_umagstr | — | u (Sloan) Magnitude |
| sy_vmag | 12.93 mag | |
| sy_vmagerr1 | 0.14 mag | |
| sy_vmagerr2 | -0.14 mag | |
| sy_vmagstr | 12.930±0.137 | V (Johnson) Magnitude |
| sy_w1mag | 10.65 mag | |
| sy_w1magerr1 | 0.02 mag | |
| sy_w1magerr2 | -0.02 mag | |
| sy_w1magstr | 10.655±0.022 | W1 (WISE) Magnitude |
| sy_w2mag | 10.72 mag | |
| sy_w2magerr1 | 0.02 mag | |
| sy_w2magerr2 | -0.02 mag | |
| sy_w2magstr | 10.724±0.021 | W2 (WISE) Magnitude |
| sy_w3mag | 10.76 mag | |
| sy_w3magerr1 | 0.11 mag | |
| sy_w3magerr2 | -0.11 mag | |
| sy_w3magstr | 10.755±0.111 | W3 (WISE) Magnitude |
| sy_w4mag | 8.77 mag | |
| sy_w4magerr1 | — | |
| sy_w4magerr2 | — | |
| sy_w4magstr | 8.771 | W4 (WISE) Magnitude |
| sy_zmag | — | |
| sy_zmagerr1 | — | |
| sy_zmagerr2 | — | |
| sy_zmagstr | — | z (Sloan) Magnitude |
| tic_id | TIC 152868838 | TIC ID |
| tran_flag | 1 | |
| ttv_flag | 0 | |
| x | -0.99 | |
| y | -0.04 | |
| z | -0.14 |