โ†Back to Exoplanets
๐Ÿช

BD+20 274 b

Exoplanet Records

๐Ÿ“ŠKey Properties

Host Star

BD+20 274

Discovery

Radial Velocity

Year

2012

Period

578.20 day

Radius

โ€”

Mass

1334.89 Mearth

Eq. Temp

โ€”

๐ŸงพRecords(1 rows)

Record 1

Radial Velocity โ€ข 2012 โ€ข McDonald Observatory

๐Ÿช
โ–ถAll Properties
PropertyValueDescription
ast_flag0
cb_flag0
dec21.01 deg
decstr+21d00m18.97s Dec [sexagesimal]
default_flag1
disc_facilityMcDonald Observatory Discovery Facility
disc_instrumentHigh Resolution Spectrograph Discovery Instrument
disc_localeGround Discovery Locale
disc_pubdate2012-09 Discovery Publication Date
disc_refname<a refstr=GETTEL_ET_AL__2012 href=https://ui.adsabs.harvard.edu/abs/2012ApJ...756...53G/abstract target=ref> Gettel et al. 2012 </a> Discovery Reference
disc_telescope9.2 m Hobby-Eberly Telescope Discovery Telescope
disc_year2012
discoverymethodRadial Velocity Discovery Method
dkin_flag0
elat9.59 deg
elon31.62 deg
etv_flag0
gaia_dr2_idGaia DR2 96530596864007552 Gaia DR2 ID
gaia_dr3_idGaia DR3 96530596864007552 Gaia DR3 ID
glat-40.23 deg
glon138.97 deg
hd_nameโ€” HD ID
hip_nameโ€” HIP ID
hostnameBD+20 274 Host Name
htm20-1875778437
ima_flag0
micro_flag0
obm_flag0
pl_bmasse1334.89 Mearth
pl_bmasseerr1โ€”
pl_bmasseerr2โ€”
pl_bmasselim0
pl_bmassestr1335 Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj4.20 Mjupiter
pl_bmassjerr1โ€”
pl_bmassjerr2โ€”
pl_bmassjlim0
pl_bmassjstr4.2 Planet Mass or Mass*sin(i) [Jupiter Mass]
pl_bmassprovMsini Planet Mass or Mass*sin(i) Provenance
pl_cmasseโ€”
pl_cmasseerr1โ€”
pl_cmasseerr2โ€”
pl_cmasselimโ€”
pl_cmassestrโ€” Planet Mass*sin(i)/sin(i) [Earth Mass]
pl_cmassjโ€”
pl_cmassjerr1โ€”
pl_cmassjerr2โ€”
pl_cmassjlimโ€”
pl_cmassjstrโ€” Planet Mass*sin(i)/sin(i) [Jupiter Mass]
pl_controv_flag0
pl_densโ€”
pl_denserr1โ€”
pl_denserr2โ€”
pl_denslimโ€”
pl_densstrโ€” Planet Density [g/cm**3]
pl_eqtโ€”
pl_eqterr1โ€”
pl_eqterr2โ€”
pl_eqtlimโ€”
pl_eqtstrโ€” Equilibrium Temperature [K]
pl_impparโ€”
pl_impparerr1โ€”
pl_impparerr2โ€”
pl_impparlimโ€”
pl_impparstrโ€” Impact Parameter
pl_insolโ€”
pl_insolerr1โ€”
pl_insolerr2โ€”
pl_insollimโ€”
pl_insolstrโ€” Insolation Flux [Earth Flux]
pl_letterb Planet Letter
pl_masseโ€”
pl_masseerr1โ€”
pl_masseerr2โ€”
pl_masselimโ€”
pl_massestrโ€” Planet Mass [Earth Mass]
pl_massjโ€”
pl_massjerr1โ€”
pl_massjerr2โ€”
pl_massjlimโ€”
pl_massjstrโ€” Planet Mass [Jupiter Mass]
pl_msinie1334.89 Mearth
pl_msinieerr1โ€”
pl_msinieerr2โ€”
pl_msinielim0
pl_msiniestr1335 Planet Mass*sin(i) [Earth Mass]
pl_msinij4.20 Mjupiter
pl_msinijerr1โ€”
pl_msinijerr2โ€”
pl_msinijlim0
pl_msinijstr4.2 Planet Mass*sin(i) [Jupiter Mass]
pl_nameBD+20 274 b Planet Name
pl_ndispec0
pl_nespec0
pl_nnotes0
pl_ntranspec0
pl_occdepโ€”
pl_occdeperr1โ€”
pl_occdeperr2โ€”
pl_occdeplimโ€”
pl_occdepstrโ€” Occultation Depth [%]
pl_orbeccen0.21
pl_orbeccenerr10.06
pl_orbeccenerr2-0.06
pl_orbeccenlim0
pl_orbeccenstr0.21&plusmn;0.06 Eccentricity
pl_orbinclโ€”
pl_orbinclerr1โ€”
pl_orbinclerr2โ€”
pl_orbincllimโ€”
pl_orbinclstrโ€” Inclination [deg]
pl_orblper108.50 deg
pl_orblpererr138.10 deg
pl_orblpererr2-38.10 deg
pl_orblperlim0
pl_orblperstr108.5&plusmn;38.1 Argument of Periastron [deg]
pl_orbper578.20 day
pl_orbpererr15.40 day
pl_orbpererr2-5.40 day
pl_orbperlim0
pl_orbperstr578.2&plusmn;5.4 Orbital Period [day]
pl_orbsmax1.30 au
pl_orbsmaxerr1โ€”
pl_orbsmaxerr2โ€”
pl_orbsmaxlim0
pl_orbsmaxstr1.3 Orbit Semi-Major Axis [au]
pl_orbtper2453921 day
pl_orbtpererr133.20 day
pl_orbtpererr2-33.20 day
pl_orbtperlim0
pl_orbtperstr2453921.0&plusmn;33.2 Epoch of Periastron [day]
pl_projobliqโ€”
pl_projobliqerr1โ€”
pl_projobliqerr2โ€”
pl_projobliqlimโ€”
pl_projobliqstrโ€” Projected Obliquity [deg]
pl_pubdate2012-09 Planetary Parameter Reference Publication Date
pl_radeโ€”
pl_radeerr1โ€”
pl_radeerr2โ€”
pl_radelimโ€”
pl_radestrโ€” Planet Radius [Earth Radius]
pl_radjโ€”
pl_radjerr1โ€”
pl_radjerr2โ€”
pl_radjlimโ€”
pl_radjstrโ€” Planet Radius [Jupiter Radius]
pl_ratdorโ€”
pl_ratdorerr1โ€”
pl_ratdorerr2โ€”
pl_ratdorlimโ€”
pl_ratdorstrโ€” Ratio of Semi-Major Axis to Stellar Radius
pl_ratrorโ€”
pl_ratrorerr1โ€”
pl_ratrorerr2โ€”
pl_ratrorlimโ€”
pl_ratrorstrโ€” Ratio of Planet to Stellar Radius
pl_refname<a refstr=GETTEL_ET_AL__2012 href=https://ui.adsabs.harvard.edu/abs/2012ApJ...756...53G/abstract target=ref> Gettel et al. 2012 </a> Planetary Parameter Reference
pl_rvamp121.40 m/s
pl_rvamperr16.40 m/s
pl_rvamperr2-6.40 m/s
pl_rvamplim0
pl_rvampstr121.4&plusmn;6.4 Radial Velocity Amplitude [m/s]
pl_trandepโ€”
pl_trandeperr1โ€”
pl_trandeperr2โ€”
pl_trandeplimโ€”
pl_trandepstrโ€” Transit Depth [%]
pl_trandurโ€”
pl_trandurerr1โ€”
pl_trandurerr2โ€”
pl_trandurlimโ€”
pl_trandurstrโ€” Transit Duration [hour]
pl_tranmidโ€”
pl_tranmiderr1โ€”
pl_tranmiderr2โ€”
pl_tranmidlimโ€”
pl_tranmidstrโ€” Time of Conjunction (Transit Midpoint) [day]
pl_trueobliqโ€”
pl_trueobliqerr1โ€”
pl_trueobliqerr2โ€”
pl_trueobliqlimโ€”
pl_trueobliqstrโ€” True Obliquity [deg]
pl_tsystemrefJD Time Reference Frame and Standard
ptv_flag0
pul_flag0
ra25.92 deg
rastr01h43m40.88s RA [sexagesimal]
releasedate2015-09-18 Release Date
rowupdate2015-09-16 Date of Last Update
rv_flag1
soltypePublished Confirmed Solution Type
st_ageโ€”
st_ageerr1โ€”
st_ageerr2โ€”
st_agelimโ€”
st_agestrโ€” Stellar Age [Gyr]
st_densโ€”
st_denserr1โ€”
st_denserr2โ€”
st_denslimโ€”
st_densstrโ€” Stellar Density [g/cm**3]
st_logg1.99 log(cm/s**2)
st_loggerr10.05 log(cm/s**2)
st_loggerr2-0.05 log(cm/s**2)
st_logglim0
st_loggstr1.99&plusmn;0.05 Stellar Surface Gravity [log(cm/s**2)]
st_lum1.96 log(Lsun)
st_lumerr10.18 log(Lsun)
st_lumerr2-0.18 log(Lsun)
st_lumlim0
st_lumstr1.96&plusmn;0.18 Stellar Luminosity [log(Solar)]
st_mass0.80 Msun
st_masserr10.20 Msun
st_masserr2-0.20 Msun
st_masslim0
st_massstr0.8&plusmn;0.2 Stellar Mass [Solar mass]
st_met-0.46 dex
st_meterr10.07 dex
st_meterr2-0.07 dex
st_metlim0
st_metratio[Fe/H] Stellar Metallicity Ratio
st_metstr-0.46&plusmn;0.07 Stellar Metallicity [dex]
st_nphot0
st_nrvc0
st_nspec0
st_rad17.30 Rsun
st_raderr10.90 Rsun
st_raderr2-0.90 Rsun
st_radlim0
st_radstr17.3&plusmn;0.9 Stellar Radius [Solar Radius]
st_radvโ€”
st_radverr1โ€”
st_radverr2โ€”
st_radvlimโ€”
st_radvstrโ€” Systemic Radial Velocity [km/s]
st_refname<a refstr=GETTEL_ET_AL__2012 href=https://ui.adsabs.harvard.edu/abs/2012ApJ...756...53G/abstract target=ref> Gettel et al. 2012 </a> Stellar Parameter Reference
st_rotpโ€”
st_rotperr1โ€”
st_rotperr2โ€”
st_rotplimโ€”
st_rotpstrโ€” Stellar Rotational Period [day]
st_spectypeK5 III Spectral Type
st_teff4296 K
st_tefferr110 K
st_tefferr2-10 K
st_tefflim0
st_teffstr4296&plusmn;10 Stellar Effective Temperature [K]
st_vsin2 km/s
st_vsinerr11.50 km/s
st_vsinerr2-1.50 km/s
st_vsinlim0
st_vsinstr2.0&plusmn;1.5 Stellar Rotational Velocity [km/s]
sy_bmag10.72 mag
sy_bmagerr10.06 mag
sy_bmagerr2-0.06 mag
sy_bmagstr10.720&plusmn;0.061 B (Johnson) Magnitude
sy_dist1322.51 pc
sy_disterr180.53 pc
sy_disterr2-80.53 pc
sy_diststr1322.510&plusmn;80.535 Distance [pc]
sy_gaiamag8.92 mag
sy_gaiamagerr14.68e-4 mag
sy_gaiamagerr2-4.68e-4 mag
sy_gaiamagstr8.916130&plusmn;0.000468 Gaia Magnitude
sy_gmag10.19 mag
sy_gmagerr14.24e-4 mag
sy_gmagerr2-4.24e-4 mag
sy_gmagstr10.186300&plusmn;0.000424 g (Sloan) Magnitude
sy_hmag6.34 mag
sy_hmagerr10.02 mag
sy_hmagerr2-0.02 mag
sy_hmagstr6.337&plusmn;0.020 H (2MASS) Magnitude
sy_icmagโ€”
sy_icmagerr1โ€”
sy_icmagerr2โ€”
sy_icmagstrโ€” I (Cousins) Magnitude
sy_imag8.49 mag
sy_imagerr15.28e-4 mag
sy_imagerr2-5.28e-4 mag
sy_imagstr8.4922800&plusmn;0.0005281 i (Sloan) Magnitude
sy_jmag7.00 mag
sy_jmagerr10.02 mag
sy_jmagerr2-0.02 mag
sy_jmagstr7.003&plusmn;0.019 J (2MASS) Magnitude
sy_kepmagโ€”
sy_kepmagerr1โ€”
sy_kepmagerr2โ€”
sy_kepmagstrโ€” Kepler Magnitude
sy_kmag6.17 mag
sy_kmagerr10.03 mag
sy_kmagerr2-0.03 mag
sy_kmagstr6.169&plusmn;0.027 Ks (2MASS) Magnitude
sy_mnum0
sy_plx0.72 mas
sy_plxerr10.05 mas
sy_plxerr2-0.05 mas
sy_plxstr0.7226190&plusmn;0.0452429 Parallax [mas]
sy_pm3.79 mas/yr
sy_pmdec-3.78 mas/yr
sy_pmdecerr10.09 mas/yr
sy_pmdecerr2-0.09 mas/yr
sy_pmdecstr-3.7834500&plusmn;0.0862571 Proper Motion (Dec) [mas/yr]
sy_pmerr10.09 mas/yr
sy_pmerr2-0.09 mas/yr
sy_pmra0.19 mas/yr
sy_pmraerr10.10 mas/yr
sy_pmraerr2-0.10 mas/yr
sy_pmrastr0.191228&plusmn;0.102145 Proper Motion (RA) [mas/yr]
sy_pmstr3.7882796&plusmn;0.0863013 Total Proper Motion [mas/yr]
sy_pnum1
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_rmag8.94 mag
sy_rmagerr13.70e-4 mag
sy_rmagerr2-3.70e-4 mag
sy_rmagstr8.941711&plusmn;0.000370 r (Sloan) Magnitude
sy_snum1
sy_tmag8.17 mag
sy_tmagerr16.50e-3 mag
sy_tmagerr2-6.50e-3 mag
sy_tmagstr8.1716&plusmn;0.0065 TESS Magnitude
sy_umag14.34 mag
sy_umagerr14.27e-3 mag
sy_umagerr2-4.27e-3 mag
sy_umagstr14.3374000&plusmn;0.0042651 u (Sloan) Magnitude
sy_vmag9.37 mag
sy_vmagerr18.00e-3 mag
sy_vmagerr2-8.00e-3 mag
sy_vmagstr9.367&plusmn;0.008 V (Johnson) Magnitude
sy_w1mag6.11 mag
sy_w1magerr10.09 mag
sy_w1magerr2-0.09 mag
sy_w1magstr6.107&plusmn;0.094 W1 (WISE) Magnitude
sy_w2mag6.14 mag
sy_w2magerr10.04 mag
sy_w2magerr2-0.04 mag
sy_w2magstr6.141&plusmn;0.035 W2 (WISE) Magnitude
sy_w3mag6.11 mag
sy_w3magerr10.01 mag
sy_w3magerr2-0.01 mag
sy_w3magstr6.106&plusmn;0.015 W3 (WISE) Magnitude
sy_w4mag5.99 mag
sy_w4magerr10.04 mag
sy_w4magerr2-0.04 mag
sy_w4magstr5.991&plusmn;0.043 W4 (WISE) Magnitude
sy_zmag8.90 mag
sy_zmagerr11.03e-3 mag
sy_zmagerr2-1.03e-3 mag
sy_zmagstr8.9044000&plusmn;0.0010266 z (Sloan) Magnitude
tic_idTIC 60923874 TIC ID
tran_flag0
ttv_flag0
x0.84
y0.41
z0.36