Exoplanet Records
Imaging • 2026 • W. M. Keck Observatory
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | 22.76 deg | |
| decstr | +22d45m29.00s | Dec [sexagesimal] |
| default_flag | 1 | |
| disc_facility | W. M. Keck Observatory | Discovery Facility |
| disc_instrument | NIRC2 Camera | Discovery Instrument |
| disc_locale | Ground | Discovery Locale |
| disc_pubdate | 2026-02 | Discovery Publication Date |
| disc_refname | <a refstr=WALKER_ET_AL_2026 href=https://ui.adsabs.harvard.edu/abs/2026AJ....171...80W/abstract target=ref>Walker et al. 2026</a> | Discovery Reference |
| disc_telescope | 10 m Keck II Telescope | Discovery Telescope |
| disc_year | 2026 | |
| discoverymethod | Imaging | Discovery Method |
| dkin_flag | 0 | |
| elat | 0.80 deg | |
| elon | 70.11 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 145196252820109440 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 145196252820109440 | Gaia DR3 ID |
| glat | -16.77 deg | |
| glon | 175.46 deg | |
| hd_name | — | HD ID |
| hip_name | — | HIP ID |
| hostname | XEST 17-036 | Host Name |
| htm20 | -1218743260 | |
| ima_flag | 1 | |
| micro_flag | 0 | |
| obm_flag | 0 | |
| pl_bmasse | 3368.98 Mearth | |
| pl_bmasseerr1 | 794.57 Mearth | |
| pl_bmasseerr2 | -731.01 Mearth | |
| pl_bmasselim | 0 | |
| pl_bmassestr | <div><span class="supersubNumber">3369</span><span class="superscript">+795</span><span class="subscript">-731</span></div> | Planet Mass or Mass*sin(i) [Earth Mass] |
| pl_bmassj | 10.60 Mjupiter | |
| pl_bmassjerr1 | 2.50 Mjupiter | |
| pl_bmassjerr2 | -2.30 Mjupiter | |
| pl_bmassjlim | 0 | |
| pl_bmassjstr | <div><span class="supersubNumber">10.6</span><span class="superscript">+2.5</span><span class="subscript">-2.3</span></div> | Planet Mass or Mass*sin(i) [Jupiter Mass] |
| pl_bmassprov | Mass | 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 | 3368.98 Mearth | |
| pl_masseerr1 | 794.57 Mearth | |
| pl_masseerr2 | -731.01 Mearth | |
| pl_masselim | 0 | |
| pl_massestr | <div><span class="supersubNumber">3369</span><span class="superscript">+795</span><span class="subscript">-731</span></div> | Planet Mass [Earth Mass] |
| pl_massj | 10.60 Mjupiter | |
| pl_massjerr1 | 2.50 Mjupiter | |
| pl_massjerr2 | -2.30 Mjupiter | |
| pl_massjlim | 0 | |
| pl_massjstr | <div><span class="supersubNumber">10.6</span><span class="superscript">+2.5</span><span class="subscript">-2.3</span></div> | 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 | KOINTREAU-1 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 | — | |
| pl_orbpererr1 | — | |
| pl_orbpererr2 | — | |
| pl_orbperlim | — | |
| pl_orbperstr | — | Orbital Period [day] |
| pl_orbsmax | 690 au | |
| pl_orbsmaxerr1 | 10 au | |
| pl_orbsmaxerr2 | -10 au | |
| pl_orbsmaxlim | 0 | |
| pl_orbsmaxstr | 690±10 | 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 | 2026-02 | 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=WALKER_ET_AL_2026 href=https://ui.adsabs.harvard.edu/abs/2026AJ....171...80W/abstract target=ref>Walker et al. 2026</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 | — | |
| pl_tranmiderr1 | — | |
| pl_tranmiderr2 | — | |
| pl_tranmidlim | — | |
| pl_tranmidstr | — | 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 | 68.36 deg | |
| rastr | 04h33m26.23s | RA [sexagesimal] |
| releasedate | 2026-02-05 | Release Date |
| rowupdate | 2026-02-05 | Date of Last Update |
| rv_flag | 0 | |
| soltype | Published Confirmed | Solution Type |
| st_age | 3.30e-3 Gyr | |
| st_ageerr1 | 9.00e-4 Gyr | |
| st_ageerr2 | -9.00e-4 Gyr | |
| st_agelim | 0 | |
| st_agestr | 0.0033±0.0009 | Stellar Age [Gyr] |
| st_dens | — | |
| st_denserr1 | — | |
| st_denserr2 | — | |
| st_denslim | — | |
| st_densstr | — | Stellar Density [g/cm**3] |
| st_logg | 3.44 log(cm/s**2) | |
| st_loggerr1 | 0.05 log(cm/s**2) | |
| st_loggerr2 | -0.05 log(cm/s**2) | |
| st_logglim | 0 | |
| st_loggstr | 3.44±0.05 | Stellar Surface Gravity [log(cm/s**2)] |
| st_lum | — | |
| st_lumerr1 | — | |
| st_lumerr2 | — | |
| st_lumlim | — | |
| st_lumstr | — | Stellar Luminosity [log(Solar)] |
| st_mass | 0.26 Msun | |
| st_masserr1 | 0.03 Msun | |
| st_masserr2 | -0.03 Msun | |
| st_masslim | 0 | |
| st_massstr | 0.26±0.03 | Stellar Mass [Solar mass] |
| st_met | -0.15 dex | |
| st_meterr1 | 0.01 dex | |
| st_meterr2 | -0.01 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | -0.15±0.01 | Stellar Metallicity [dex] |
| st_nphot | 0 | |
| st_nrvc | 0 | |
| st_nspec | 0 | |
| st_rad | — | |
| st_raderr1 | — | |
| st_raderr2 | — | |
| st_radlim | — | |
| st_radstr | — | Stellar Radius [Solar Radius] |
| st_radv | — | |
| st_radverr1 | — | |
| st_radverr2 | — | |
| st_radvlim | — | |
| st_radvstr | — | Systemic Radial Velocity [km/s] |
| st_refname | <a refstr=WALKER_ET_AL_2026 href=https://ui.adsabs.harvard.edu/abs/2026AJ....171...80W/abstract target=ref>Walker et al. 2026</a> | Stellar Parameter Reference |
| st_rotp | — | |
| st_rotperr1 | — | |
| st_rotperr2 | — | |
| st_rotplim | — | |
| st_rotpstr | — | Stellar Rotational Period [day] |
| st_spectype | M4 | Spectral Type |
| st_teff | 3551 K | |
| st_tefferr1 | 59 K | |
| st_tefferr2 | -59 K | |
| st_tefflim | 0 | |
| st_teffstr | 3551±59 | Stellar Effective Temperature [K] |
| st_vsin | 7.70 km/s | |
| st_vsinerr1 | 0.50 km/s | |
| st_vsinerr2 | -0.50 km/s | |
| st_vsinlim | 0 | |
| st_vsinstr | 7.7±0.5 | Stellar Rotational Velocity [km/s] |
| sy_bmag | — | |
| sy_bmagerr1 | — | |
| sy_bmagerr2 | — | |
| sy_bmagstr | — | B (Johnson) Magnitude |
| sy_dist | 158.62 pc | |
| sy_disterr1 | 4.23 pc | |
| sy_disterr2 | -4.02 pc | |
| sy_diststr | <div><span class="supersubNumber">158.618</span><span class="superscript">+4.230</span><span class="subscript">-4.020</span></div> | Distance [pc] |
| sy_gaiamag | 16.51 mag | |
| sy_gaiamagerr1 | 1.58e-3 mag | |
| sy_gaiamagerr2 | -1.58e-3 mag | |
| sy_gaiamagstr | 16.508100±0.001584 | Gaia Magnitude |
| sy_gmag | — | |
| sy_gmagerr1 | — | |
| sy_gmagerr2 | — | |
| sy_gmagstr | — | g (Sloan) Magnitude |
| sy_hmag | 10.50 mag | |
| sy_hmagerr1 | 0.02 mag | |
| sy_hmagerr2 | -0.02 mag | |
| sy_hmagstr | 10.500±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 | 11.80 mag | |
| sy_jmagerr1 | 0.02 mag | |
| sy_jmagerr2 | -0.02 mag | |
| sy_jmagstr | 11.801±0.021 | J (2MASS) Magnitude |
| sy_kepmag | 13.28 mag | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | 13.277 | Kepler Magnitude |
| sy_kmag | 9.92 mag | |
| sy_kmagerr1 | 0.02 mag | |
| sy_kmagerr2 | -0.02 mag | |
| sy_kmagstr | 9.924±0.021 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | 6.28 mas | |
| sy_plxerr1 | 0.16 mas | |
| sy_plxerr2 | -0.16 mas | |
| sy_plxstr | 6.282640±0.162549 | Parallax [mas] |
| sy_pm | 18.84 mas/yr | |
| sy_pmdec | -16.75 mas/yr | |
| sy_pmdecerr1 | 0.20 mas/yr | |
| sy_pmdecerr2 | -0.20 mas/yr | |
| sy_pmdecstr | -16.750400±0.201046 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 0.22 mas/yr | |
| sy_pmerr2 | -0.22 mas/yr | |
| sy_pmra | 8.62 mas/yr | |
| sy_pmraerr1 | 0.27 mas/yr | |
| sy_pmraerr2 | -0.27 mas/yr | |
| sy_pmrastr | 8.615360±0.268208 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 18.836144±0.216824 | 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 | 15.01 mag | |
| sy_tmagerr1 | 9.00e-3 mag | |
| sy_tmagerr2 | -9.00e-3 mag | |
| sy_tmagstr | 15.0096±0.0090 | TESS Magnitude |
| sy_umag | — | |
| sy_umagerr1 | — | |
| sy_umagerr2 | — | |
| sy_umagstr | — | u (Sloan) Magnitude |
| sy_vmag | — | |
| sy_vmagerr1 | — | |
| sy_vmagerr2 | — | |
| sy_vmagstr | — | V (Johnson) Magnitude |
| sy_w1mag | 9.69 mag | |
| sy_w1magerr1 | 0.02 mag | |
| sy_w1magerr2 | -0.02 mag | |
| sy_w1magstr | 9.694±0.023 | W1 (WISE) Magnitude |
| sy_w2mag | 9.41 mag | |
| sy_w2magerr1 | 0.02 mag | |
| sy_w2magerr2 | -0.02 mag | |
| sy_w2magstr | 9.412±0.020 | W2 (WISE) Magnitude |
| sy_w3mag | 9.23 mag | |
| sy_w3magerr1 | 0.04 mag | |
| sy_w3magerr2 | -0.04 mag | |
| sy_w3magstr | 9.231±0.045 | W3 (WISE) Magnitude |
| sy_w4mag | 7.96 mag | |
| sy_w4magerr1 | — | |
| sy_w4magerr2 | — | |
| sy_w4magstr | 7.96 | W4 (WISE) Magnitude |
| sy_zmag | — | |
| sy_zmagerr1 | — | |
| sy_zmagerr2 | — | |
| sy_zmagstr | — | z (Sloan) Magnitude |
| tic_id | TIC 61229372 | TIC ID |
| tran_flag | 0 | |
| ttv_flag | 0 | |
| x | 0.34 | |
| y | 0.86 | |
| z | 0.39 |