Exoplanet Records
Transit • 2024 • SPECULOOS Southern Observatory
| Property | Value | Description |
|---|---|---|
| ast_flag | 0 | |
| cb_flag | 0 | |
| dec | 33.61 deg | |
| decstr | +33d36m44.58s | Dec [sexagesimal] |
| default_flag | 1 | |
| disc_facility | SPECULOOS Southern Observatory | Discovery Facility |
| disc_instrument | Multiple Instruments | Discovery Instrument |
| disc_locale | Ground | Discovery Locale |
| disc_pubdate | 2024-05 | Discovery Publication Date |
| disc_refname | <a refstr=GILLON_ET_AL__2024 href=https://ui.adsabs.harvard.edu/abs/2024NatAs.tmp...96G/abstract target=ref>Gillon et al. 2024</a> | Discovery Reference |
| disc_telescope | Multiple Telescopes | Discovery Telescope |
| disc_year | 2024 | |
| discoverymethod | Transit | Discovery Method |
| dkin_flag | 0 | |
| elat | 48.82 deg | |
| elon | 328.46 deg | |
| etv_flag | 0 | |
| gaia_dr2_id | Gaia DR2 1869054868256849920 | Gaia DR2 ID |
| gaia_dr3_id | Gaia DR3 1869054868256849920 | Gaia DR3 ID |
| glat | -6.47 deg | |
| glon | 76.09 deg | |
| hd_name | — | HD ID |
| hip_name | — | HIP ID |
| hostname | SPECULOOS-3 | Host Name |
| htm20 | -1157377204 | |
| 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 | 553 K | |
| pl_eqterr1 | 8 K | |
| pl_eqterr2 | -8 K | |
| pl_eqtlim | 0 | |
| pl_eqtstr | 553±8 | Equilibrium Temperature [K] |
| pl_imppar | 0.12 | |
| pl_impparerr1 | 0.09 | |
| pl_impparerr2 | -0.09 | |
| pl_impparlim | 0 | |
| pl_impparstr | 0.124±0.085 | Impact Parameter |
| pl_insol | 15.54 Searth | |
| pl_insolerr1 | 0.42 Searth | |
| pl_insolerr2 | -0.42 Searth | |
| pl_insollim | 0 | |
| pl_insolstr | 15.54±0.42 | 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 | SPECULOOS-3 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 | 89.44 deg | |
| pl_orbinclerr1 | 0.39 deg | |
| pl_orbinclerr2 | -0.39 deg | |
| pl_orbincllim | 0 | |
| pl_orbinclstr | 89.44±0.39 | Inclination [deg] |
| pl_orblper | — | |
| pl_orblpererr1 | — | |
| pl_orblpererr2 | — | |
| pl_orblperlim | — | |
| pl_orblperstr | — | Argument of Periastron [deg] |
| pl_orbper | 0.72 day | |
| pl_orbpererr1 | 5.70e-7 day | |
| pl_orbpererr2 | -5.70e-7 day | |
| pl_orbperlim | 0 | |
| pl_orbperstr | 0.71912603±0.00000057 | Orbital Period [day] |
| pl_orbsmax | 7.33e-3 au | |
| pl_orbsmaxerr1 | 5.50e-5 au | |
| pl_orbsmaxerr2 | -5.50e-5 au | |
| pl_orbsmaxlim | 0 | |
| pl_orbsmaxstr | 0.007330±0.000055 | 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 | 2024-05 | Planetary Parameter Reference Publication Date |
| pl_rade | 0.98 Rearth | |
| pl_radeerr1 | 0.02 Rearth | |
| pl_radeerr2 | -0.02 Rearth | |
| pl_radelim | 0 | |
| pl_radestr | 0.977±0.022 | Planet Radius [Earth Radius] |
| pl_radj | 0.09 Rjupiter | |
| pl_radjerr1 | 1.96e-3 Rjupiter | |
| pl_radjerr2 | -1.96e-3 Rjupiter | |
| pl_radjlim | 0 | |
| pl_radjstr | 0.0872±0.0020 | Planet Radius [Jupiter Radius] |
| pl_ratdor | 12.81 | |
| pl_ratdorerr1 | 0.20 | |
| pl_ratdorerr2 | -0.20 | |
| pl_ratdorlim | 0 | |
| pl_ratdorstr | 12.81±0.20 | Ratio of Semi-Major Axis to Stellar Radius |
| pl_ratror | 0.07 | |
| pl_ratrorerr1 | 8.00e-4 | |
| pl_ratrorerr2 | -8.00e-4 | |
| pl_ratrorlim | 0 | |
| pl_ratrorstr | 0.07273±0.00080 | Ratio of Planet to Stellar Radius |
| pl_refname | <a refstr=GILLON_ET_AL__2024 href=https://ui.adsabs.harvard.edu/abs/2024NatAs.tmp...96G/abstract target=ref>Gillon et al. 2024</a> | Planetary Parameter Reference |
| pl_rvamp | — | |
| pl_rvamperr1 | — | |
| pl_rvamperr2 | — | |
| pl_rvamplim | — | |
| pl_rvampstr | — | Radial Velocity Amplitude [m/s] |
| pl_trandep | 0.53 % | |
| pl_trandeperr1 | 0.01 % | |
| pl_trandeperr2 | -0.01 % | |
| pl_trandeplim | 0 | |
| pl_trandepstr | 0.5291±0.0116 | Transit Depth [%] |
| pl_trandur | 0.46 hour | |
| pl_trandurerr1 | 3.80e-3 hour | |
| pl_trandurerr2 | -3.80e-3 hour | |
| pl_trandurlim | 0 | |
| pl_trandurstr | 0.4560±0.0038 | Transit Duration [hour] |
| pl_tranmid | 2.46e6 day | |
| pl_tranmiderr1 | 3.20e-4 day | |
| pl_tranmiderr2 | -3.20e-4 day | |
| pl_tranmidlim | 0 | |
| pl_tranmidstr | 2459790.58344±0.00032 | Time of Conjunction (Transit Midpoint) [day] |
| pl_trueobliq | — | |
| pl_trueobliqerr1 | — | |
| pl_trueobliqerr2 | — | |
| pl_trueobliqlim | — | |
| pl_trueobliqstr | — | True Obliquity [deg] |
| pl_tsystemref | BJD-TDB | Time Reference Frame and Standard |
| ptv_flag | 0 | |
| pul_flag | 0 | |
| ra | 312.36 deg | |
| rastr | 20h49m27.18s | RA [sexagesimal] |
| releasedate | 2024-05-21 | Release Date |
| rowupdate | 2025-11-13 | Date of Last Update |
| rv_flag | 0 | |
| soltype | Published Confirmed | Solution Type |
| st_age | 6.60 Gyr | |
| st_ageerr1 | 1.80 Gyr | |
| st_ageerr2 | -2.40 Gyr | |
| st_agelim | 0 | |
| st_agestr | <div><span class="supersubNumber">6.6</span><span class="superscript">+1.8</span><span class="subscript">-2.4</span></div> | Stellar Age [Gyr] |
| st_dens | 77.12 g/cm**3 | |
| st_denserr1 | 3.52 g/cm**3 | |
| st_denserr2 | -3.52 g/cm**3 | |
| st_denslim | 0 | |
| st_densstr | 77.1±3.5 | Stellar Density [g/cm**3] |
| st_logg | 5.26 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 | 5.265±0.014 | Stellar Surface Gravity [log(cm/s**2)] |
| st_lum | -3.08 log(Lsun) | |
| st_lumerr1 | 9.77e-3 log(Lsun) | |
| st_lumerr2 | -0.01 log(Lsun) | |
| st_lumlim | 0 | |
| st_lumstr | <div><span class="supersubNumber">-3.08</span><span class="superscript">+0.01</span><span class="subscript">-0.01</span></div> | Stellar Luminosity [log(Solar)] |
| st_mass | 0.10 Msun | |
| st_masserr1 | 2.40e-3 Msun | |
| st_masserr2 | -2.40e-3 Msun | |
| st_masslim | 0 | |
| st_massstr | 0.1009±0.0024 | Stellar Mass [Solar mass] |
| st_met | 0.07 dex | |
| st_meterr1 | 0.10 dex | |
| st_meterr2 | -0.10 dex | |
| st_metlim | 0 | |
| st_metratio | [Fe/H] | Stellar Metallicity Ratio |
| st_metstr | 0.070±0.100 | Stellar Metallicity [dex] |
| st_nphot | 0 | |
| st_nrvc | 0 | |
| st_nspec | 0 | |
| st_rad | 0.12 Rsun | |
| st_raderr1 | 2.20e-3 Rsun | |
| st_raderr2 | -2.20e-3 Rsun | |
| st_radlim | 0 | |
| st_radstr | 0.1230±0.0022 | Stellar Radius [Solar Radius] |
| st_radv | 17.82 km/s | |
| st_radverr1 | 0.02 km/s | |
| st_radverr2 | -0.02 km/s | |
| st_radvlim | 0 | |
| st_radvstr | 17.816±0.019 | Systemic Radial Velocity [km/s] |
| st_refname | <a refstr=GILLON_ET_AL__2024 href=https://ui.adsabs.harvard.edu/abs/2024NatAs.tmp...96G/abstract target=ref>Gillon et al. 2024</a> | Stellar Parameter Reference |
| st_rotp | — | |
| st_rotperr1 | — | |
| st_rotperr2 | — | |
| st_rotplim | — | |
| st_rotpstr | — | Stellar Rotational Period [day] |
| st_spectype | M6.5+/-0.5 | Spectral Type |
| st_teff | 2800 K | |
| st_tefferr1 | 29 K | |
| st_tefferr2 | -29 K | |
| st_tefflim | 0 | |
| st_teffstr | 2800±29 | Stellar Effective Temperature [K] |
| st_vsin | 4.20 km/s | |
| st_vsinerr1 | 0.40 km/s | |
| st_vsinerr2 | -0.40 km/s | |
| st_vsinlim | 0 | |
| st_vsinstr | 4.2±0.4 | Stellar Rotational Velocity [km/s] |
| sy_bmag | — | |
| sy_bmagerr1 | — | |
| sy_bmagerr2 | — | |
| sy_bmagstr | — | B (Johnson) Magnitude |
| sy_dist | — | |
| sy_disterr1 | — | |
| sy_disterr2 | — | |
| sy_diststr | — | Distance [pc] |
| sy_gaiamag | 15.40 mag | |
| sy_gaiamagerr1 | 5.61e-4 mag | |
| sy_gaiamagerr2 | -5.61e-4 mag | |
| sy_gaiamagstr | 15.402300±0.000561 | Gaia Magnitude |
| sy_gmag | — | |
| sy_gmagerr1 | — | |
| sy_gmagerr2 | — | |
| sy_gmagstr | — | g (Sloan) Magnitude |
| sy_hmag | 10.87 mag | |
| sy_hmagerr1 | 0.02 mag | |
| sy_hmagerr2 | -0.02 mag | |
| sy_hmagstr | 10.867±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 | 11.50 mag | |
| sy_jmagerr1 | 0.02 mag | |
| sy_jmagerr2 | -0.02 mag | |
| sy_jmagstr | 11.501±0.023 | J (2MASS) Magnitude |
| sy_kepmag | — | |
| sy_kepmagerr1 | — | |
| sy_kepmagerr2 | — | |
| sy_kepmagstr | — | Kepler Magnitude |
| sy_kmag | 10.54 mag | |
| sy_kmagerr1 | 0.02 mag | |
| sy_kmagerr2 | -0.02 mag | |
| sy_kmagstr | 10.541±0.016 | Ks (2MASS) Magnitude |
| sy_mnum | 0 | |
| sy_plx | — | |
| sy_plxerr1 | — | |
| sy_plxerr2 | — | |
| sy_plxstr | — | Parallax [mas] |
| sy_pm | 459.30 mas/yr | |
| sy_pmdec | -412 mas/yr | |
| sy_pmdecerr1 | 8 mas/yr | |
| sy_pmdecerr2 | -8 mas/yr | |
| sy_pmdecstr | -412.0±8.0 | Proper Motion (Dec) [mas/yr] |
| sy_pmerr1 | 8 mas/yr | |
| sy_pmerr2 | -8 mas/yr | |
| sy_pmra | -203 mas/yr | |
| sy_pmraerr1 | 8 mas/yr | |
| sy_pmraerr2 | -8 mas/yr | |
| sy_pmrastr | -203.0±8.0 | Proper Motion (RA) [mas/yr] |
| sy_pmstr | 459.3±8.0 | 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 | 13.73 mag | |
| sy_tmagerr1 | 7.95e-3 mag | |
| sy_tmagerr2 | -7.95e-3 mag | |
| sy_tmagstr | 13.7314000±0.0079491 | TESS Magnitude |
| sy_umag | — | |
| sy_umagerr1 | — | |
| sy_umagerr2 | — | |
| sy_umagstr | — | u (Sloan) Magnitude |
| sy_vmag | 17.80 mag | |
| sy_vmagerr1 | 0.20 mag | |
| sy_vmagerr2 | -0.20 mag | |
| sy_vmagstr | 17.8±0.2 | V (Johnson) Magnitude |
| sy_w1mag | — | |
| sy_w1magerr1 | — | |
| sy_w1magerr2 | — | |
| sy_w1magstr | — | W1 (WISE) Magnitude |
| sy_w2mag | — | |
| sy_w2magerr1 | — | |
| sy_w2magerr2 | — | |
| sy_w2magstr | — | W2 (WISE) Magnitude |
| sy_w3mag | — | |
| sy_w3magerr1 | — | |
| sy_w3magerr2 | — | |
| sy_w3magstr | — | W3 (WISE) Magnitude |
| sy_w4mag | — | |
| sy_w4magerr1 | — | |
| sy_w4magerr2 | — | |
| sy_w4magstr | — | W4 (WISE) Magnitude |
| sy_zmag | — | |
| sy_zmagerr1 | — | |
| sy_zmagerr2 | — | |
| sy_zmagstr | — | z (Sloan) Magnitude |
| tic_id | TIC 230741378 | TIC ID |
| tran_flag | 1 | |
| ttv_flag | 0 | |
| x | 0.56 | |
| y | -0.62 | |
| z | 0.55 |