Exoplanet Records
Transit • 2018 • K2
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | -8.48 deg | |
| decstr | -08d28m42.30s | Dec [sexagesimal] |
| default_flag | 1 | |
| disc_facility | K2 | Discovery Facility |
| disc_instrument | Kepler CCD Array | Discovery Instrument |
| disc_locale | Space | Discovery Locale |
| disc_pubdate | 2018-03 | Discovery Publication Date |
| disc_refname | <a refstr=MAYO_ET_AL__2018 href=https://ui.adsabs.harvard.edu/abs/2018AJ....155..136M/abstract target=ref>Mayo 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 | -3.47 deg | |
| elon | 193.38 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 3675261140764265728 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 3675261140764265728 | Gaia DR3 ID |
| glat | 54.35 deg | |
| glon | 299.69 deg | |
| hd_name | — | HD ID |
| hip_name | — | HIP ID |
| hostname | K2-227 | Host Name |
| htm20 | 1830451156 | |
| 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 | — | |
| pl_eqterr1 | — | |
| pl_eqterr2 | — | |
| pl_eqtlim | — | |
| pl_eqtstr | — | Equilibrium Temperature [K] |
| pl_imppar | — | |
| pl_impparerr1 | — | |
| pl_impparerr2 | — | |
| pl_impparlim | — | |
| pl_impparstr | — | 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 | K2-227 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 | 88.37 deg | |
| pl_orbinclerr1 | 1.22 deg | |
| pl_orbinclerr2 | -7.30 deg | |
| pl_orbincllim | 0 | |
| pl_orbinclstr | <div><span class="supersubNumber">88.374059</span> <span class="superscript">+1.221942</span><span class="subscript">-7.299928</span> </div> | Inclination [deg] |
| pl_orblper | — | |
| pl_orblpererr1 | — | |
| pl_orblpererr2 | — | |
| pl_orblperlim | — | |
| pl_orblperstr | — | Argument of Periastron [deg] |
| pl_orbper | 13.62 day | |
| pl_orbpererr1 | 3.19e-3 day | |
| pl_orbpererr2 | -3.27e-3 day | |
| pl_orbperlim | 0 | |
| pl_orbperstr | <div><span class="supersubNumber">13.621832</span> <span class="superscript">+0.003188</span><span class="subscript">-0.003268</span> </div> | 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 | 2018-03 | Planetary Parameter Reference Publication Date |
| pl_rade | 1.67 Rearth | |
| pl_radeerr1 | 1.22 Rearth | |
| pl_radeerr2 | -0.18 Rearth | |
| pl_radelim | 0 | |
| pl_radestr | <div><span class="supersubNumber">1.66551298303</span> <span class="superscript">+1.2211741235</span><span class="subscript">-0.179277029218</span> </div> | Planet Radius [Earth Radius] |
| pl_radj | 0.15 Rjupiter | |
| pl_radjerr1 | 0.11 Rjupiter | |
| pl_radjerr2 | -0.02 Rjupiter | |
| pl_radjlim | 0 | |
| pl_radjstr | <div><span class="supersubNumber">0.1485871160</span> <span class="superscript">+0.1089458581</span><span class="subscript">-0.0159940253</span> </div> | Planet Radius [Jupiter Radius] |
| pl_ratdor | 21.26 | |
| pl_ratdorerr1 | 6.11 | |
| pl_ratdorerr2 | -14.88 | |
| pl_ratdorlim | 0 | |
| pl_ratdorstr | <div><span class="supersubNumber">21.261583</span> <span class="superscript">+6.109492</span><span class="subscript">-14.883097</span> </div> | Ratio of Semi-Major Axis to Stellar Radius |
| pl_ratror | 0.02 | |
| pl_ratrorerr1 | 0.01 | |
| pl_ratrorerr2 | -1.75e-3 | |
| pl_ratrorlim | 0 | |
| pl_ratrorstr | <div><span class="supersubNumber">0.017144</span> <span class="superscript">+0.012545</span><span class="subscript">-0.001748</span> </div> | Ratio of Planet to Stellar Radius |
| pl_refname | <a refstr=MAYO_ET_AL__2018 href=https://ui.adsabs.harvard.edu/abs/2018AJ....155..136M/abstract target=ref>Mayo et al. 2018</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 | 2.46e6 day | |
| pl_tranmiderr1 | 9.72e-3 day | |
| pl_tranmiderr2 | -9.41e-3 day | |
| pl_tranmidlim | 0 | |
| pl_tranmidstr | <div><span class="supersubNumber">2457592.23831</span> <span class="superscript">+0.009716</span><span class="subscript">-0.009410</span> </div> | Time of Conjunction (Transit Midpoint) [day] |
| pl_trueobliq | — | |
| pl_trueobliqerr1 | — | |
| pl_trueobliqerr2 | — | |
| pl_trueobliqlim | — | |
| pl_trueobliqstr | — | True Obliquity [deg] |
| pl_tsystemref | — | Time Reference Frame and Standard |
| ptv_flag | 0 | |
| pul_flag | 0 | |
| ra | 190.95 deg | |
| rastr | 12h43m47.62s | RA [sexagesimal] |
| releasedate | 2018-02-15 | Release Date |
| rowupdate | 2018-02-14 | 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 | 4.58 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 | 4.58±0.1 | Stellar Surface Gravity [log(cm/s**2)] |
| st_lum | — | |
| st_lumerr1 | — | |
| st_lumerr2 | — | |
| st_lumlim | — | |
| st_lumstr | — | Stellar Luminosity [log(Solar)] |
| st_mass | 0.95 Msun | |
| st_masserr1 | 0.03 Msun | |
| st_masserr2 | -0.03 Msun | |
| st_masslim | 0 | |
| st_massstr | <div><span class="supersubNumber">0.950811</span> <span class="superscript">+0.027833</span><span class="subscript">-0.030228</span> </div> | Stellar Mass [Solar mass] |
| st_met | -0.10 dex | |
| st_meterr1 | 0.08 dex | |
| st_meterr2 | -0.08 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | -0.1±0.08 | Stellar Metallicity [dex] |
| st_nphot | 0 | |
| st_nrvc | 0 | |
| st_nspec | 0 | |
| st_rad | 0.89 Rsun | |
| st_raderr1 | 0.04 Rsun | |
| st_raderr2 | -0.03 Rsun | |
| st_radlim | 0 | |
| st_radstr | <div><span class="supersubNumber">0.890666</span> <span class="superscript">+0.040770</span><span class="subscript">-0.030696</span> </div> | Stellar Radius [Solar Radius] |
| st_radv | — | |
| st_radverr1 | — | |
| st_radverr2 | — | |
| st_radvlim | — | |
| st_radvstr | — | Systemic Radial Velocity [km/s] |
| st_refname | <a refstr=MAYO_ET_AL__2018 href=https://ui.adsabs.harvard.edu/abs/2018AJ....155..136M/abstract target=ref>Mayo 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 | 5673 K | |
| st_tefferr1 | 50 K | |
| st_tefferr2 | -50 K | |
| st_tefflim | 0 | |
| st_teffstr | 5673.0±50.0 | Stellar Effective Temperature [K] |
| st_vsin | — | |
| st_vsinerr1 | — | |
| st_vsinerr2 | — | |
| st_vsinlim | — | |
| st_vsinstr | — | Stellar Rotational Velocity [km/s] |
| sy_bmag | 12.68 mag | |
| sy_bmagerr1 | 0.49 mag | |
| sy_bmagerr2 | -0.49 mag | |
| sy_bmagstr | 12.675±0.492 | B (Johnson) Magnitude |
| sy_dist | 187.23 pc | |
| sy_disterr1 | 2.06 pc | |
| sy_disterr2 | -2.01 pc | |
| sy_diststr | <div><span class="supersubNumber">187.234</span><span class="superscript">+2.056</span><span class="subscript">-2.013</span></div> | Distance [pc] |
| sy_gaiamag | 11.50 mag | |
| sy_gaiamagerr1 | 5.40e-4 mag | |
| sy_gaiamagerr2 | -5.40e-4 mag | |
| sy_gaiamagstr | 11.49540±0.00054 | Gaia Magnitude |
| sy_gmag | — | |
| sy_gmagerr1 | — | |
| sy_gmagerr2 | — | |
| sy_gmagstr | — | g (Sloan) Magnitude |
| sy_hmag | 10.05 mag | |
| sy_hmagerr1 | 0.03 mag | |
| sy_hmagerr2 | -0.03 mag | |
| sy_hmagstr | 10.055±0.027 | 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 | 10.39 mag | |
| sy_jmagerr1 | 0.02 mag | |
| sy_jmagerr2 | -0.02 mag | |
| sy_jmagstr | 10.393±0.023 | J (2MASS) Magnitude |
| sy_kepmag | 11.51 mag | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | 11.512 | Kepler Magnitude |
| sy_kmag | 10.01 mag | |
| sy_kmagerr1 | 0.02 mag | |
| sy_kmagerr2 | -0.02 mag | |
| sy_kmagstr | 10.005±0.021 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | 5.31 mas | |
| sy_plxerr1 | 0.06 mas | |
| sy_plxerr2 | -0.06 mas | |
| sy_plxstr | 5.3129500±0.0575824 | Parallax [mas] |
| sy_pm | 33.95 mas/yr | |
| sy_pmdec | -29.22 mas/yr | |
| sy_pmdecerr1 | 0.10 mas/yr | |
| sy_pmdecerr2 | -0.10 mas/yr | |
| sy_pmdecstr | -29.2156000±0.0983441 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 0.10 mas/yr | |
| sy_pmerr2 | -0.10 mas/yr | |
| sy_pmra | -17.30 mas/yr | |
| sy_pmraerr1 | 0.11 mas/yr | |
| sy_pmraerr2 | -0.11 mas/yr | |
| sy_pmrastr | -17.302200±0.107406 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 33.9546375±0.1007755 | 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 | 11.04 mag | |
| sy_tmagerr1 | 6.10e-3 mag | |
| sy_tmagerr2 | -6.10e-3 mag | |
| sy_tmagstr | 11.0373±0.0061 | TESS Magnitude |
| sy_umag | — | |
| sy_umagerr1 | — | |
| sy_umagerr2 | — | |
| sy_umagstr | — | u (Sloan) Magnitude |
| sy_vmag | 12.02 mag | |
| sy_vmagerr1 | 0.03 mag | |
| sy_vmagerr2 | -0.03 mag | |
| sy_vmagstr | 12.015±0.034 | V (Johnson) Magnitude |
| sy_w1mag | 9.96 mag | |
| sy_w1magerr1 | 0.02 mag | |
| sy_w1magerr2 | -0.02 mag | |
| sy_w1magstr | 9.962±0.023 | W1 (WISE) Magnitude |
| sy_w2mag | 10.00 mag | |
| sy_w2magerr1 | 0.02 mag | |
| sy_w2magerr2 | -0.02 mag | |
| sy_w2magstr | 9.9970±0.0200 | W2 (WISE) Magnitude |
| sy_w3mag | 10.00 mag | |
| sy_w3magerr1 | 0.06 mag | |
| sy_w3magerr2 | -0.06 mag | |
| sy_w3magstr | 9.9990±0.0570 | W3 (WISE) Magnitude |
| sy_w4mag | 8.68 mag | |
| sy_w4magerr1 | — | |
| sy_w4magerr2 | — | |
| sy_w4magstr | 8.678001 | W4 (WISE) Magnitude |
| sy_zmag | — | |
| sy_zmagerr1 | — | |
| sy_zmagerr2 | — | |
| sy_zmagstr | — | z (Sloan) Magnitude |
| tic_id | TIC 156599123 | TIC ID |
| tran_flag | 1 | |
| ttv_flag | 0 | |
| x | -0.97 | |
| y | -0.19 | |
| z | -0.15 |