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HD 128717 b

Exoplanet Records

๐Ÿ“ŠKey Properties

Host Star

HD 128717

Discovery

Astrometry

Year

2025

Period

3420 day

Radius

โ€”

Mass

6293.00 Mearth

Eq. Temp

โ€”

๐ŸงพRecords(1 rows)

Record 1

Astrometry โ€ข 2025 โ€ข European Space Agency (ESA) Gaia Satellite

๐Ÿช
โ–ถAll Properties
PropertyValueDescription
ast_flag1
cb_flag0
dec57.56 deg
decstr+57d33m39.42s Dec [sexagesimal]
default_flag1
disc_facilityEuropean Space Agency (ESA) Gaia Satellite Discovery Facility
disc_instrumentGaia CCD array Discovery Instrument
disc_localeSpace Discovery Locale
disc_pubdate2025-12 Discovery Publication Date
disc_refname<a refstr=PINAMONTI_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025arXiv251204606P/abstract target=ref>Pinamonti et al. 2025</a> Discovery Reference
disc_telescope1.45 m x 0.5 m Telescope Discovery Telescope
disc_year2025
discoverymethodAstrometry Discovery Method
dkin_flag0
elat65.35 deg
elon176.50 deg
etv_flag0
gaia_dr2_idGaia DR2 1610837178107032192 Gaia DR2 ID
gaia_dr3_idGaia DR3 1610837178107032192 Gaia DR3 ID
glat54.40 deg
glon98.90 deg
hd_nameHD 128717 HD ID
hip_nameHIP 71425 HIP ID
hostnameHD 128717 Host Name
htm201710538456
ima_flag0
micro_flag0
obm_flag0
pl_bmasse6293.00 Mearth
pl_bmasseerr1158.91 Mearth
pl_bmasseerr2-158.91 Mearth
pl_bmasselim0
pl_bmassestr6293&plusmn;159 Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj19.80 Mjupiter
pl_bmassjerr10.50 Mjupiter
pl_bmassjerr2-0.50 Mjupiter
pl_bmassjlim0
pl_bmassjstr19.8&plusmn;0.5 Planet Mass or Mass*sin(i) [Jupiter Mass]
pl_bmassprovMass 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_masse6293.00 Mearth
pl_masseerr1158.91 Mearth
pl_masseerr2-158.91 Mearth
pl_masselim0
pl_massestr6293&plusmn;159 Planet Mass [Earth Mass]
pl_massj19.80 Mjupiter
pl_massjerr10.50 Mjupiter
pl_massjerr2-0.50 Mjupiter
pl_massjlim0
pl_massjstr19.8&plusmn;0.5 Planet Mass [Jupiter Mass]
pl_msinieโ€”
pl_msinieerr1โ€”
pl_msinieerr2โ€”
pl_msinielimโ€”
pl_msiniestrโ€” Planet Mass*sin(i) [Earth Mass]
pl_msinijโ€”
pl_msinijerr1โ€”
pl_msinijerr2โ€”
pl_msinijlimโ€”
pl_msinijstrโ€” Planet Mass*sin(i) [Jupiter Mass]
pl_nameHD 128717 b Planet Name
pl_ndispec0
pl_nespec0
pl_nnotes0
pl_ntranspec0
pl_occdepโ€”
pl_occdeperr1โ€”
pl_occdeperr2โ€”
pl_occdeplimโ€”
pl_occdepstrโ€” Occultation Depth [%]
pl_orbeccen0.85
pl_orbeccenerr12.00e-3
pl_orbeccenerr2-2.00e-3
pl_orbeccenlim0
pl_orbeccenstr0.850&plusmn;0.002 Eccentricity
pl_orbincl130.30 deg
pl_orbinclerr11.60 deg
pl_orbinclerr2-1.90 deg
pl_orbincllim0
pl_orbinclstr<div><span class="supersubNumber">130.3</span><span class="superscript">+1.6</span><span class="subscript">-1.9</span></div> Inclination [deg]
pl_orblper-105.70 deg
pl_orblpererr10.40 deg
pl_orblpererr2-0.30 deg
pl_orblperlim0
pl_orblperstr<div><span class="supersubNumber">-105.7</span><span class="superscript">+0.4</span><span class="subscript">-0.3</span></div> Argument of Periastron [deg]
pl_orbper3420 day
pl_orbpererr120 day
pl_orbpererr2-20 day
pl_orbperlim0
pl_orbperstr3420&plusmn;20 Orbital Period [day]
pl_orbsmax4.85 au
pl_orbsmaxerr10.02 au
pl_orbsmaxerr2-0.01 au
pl_orbsmaxlim0
pl_orbsmaxstr<div><span class="supersubNumber">4.85</span><span class="superscript">+0.02</span><span class="subscript">-0.01</span></div> Orbit Semi-Major Axis [au]
pl_orbtper2.46e6 day
pl_orbtpererr10.30 day
pl_orbtpererr2-0.30 day
pl_orbtperlim0
pl_orbtperstr2460189.634000&plusmn;0.300000 Epoch of Periastron [day]
pl_projobliqโ€”
pl_projobliqerr1โ€”
pl_projobliqerr2โ€”
pl_projobliqlimโ€”
pl_projobliqstrโ€” Projected Obliquity [deg]
pl_pubdate2025-12 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=PINAMONTI_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025arXiv251204606P/abstract target=ref>Pinamonti et al. 2025</a> Planetary Parameter Reference
pl_rvampโ€”
pl_rvamperr1โ€”
pl_rvamperr2โ€”
pl_rvamplimโ€”
pl_rvampstrโ€” 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
ra219.09 deg
rastr14h36m21.16s RA [sexagesimal]
releasedate2026-01-08 Release Date
rowupdate2026-01-08 Date of Last Update
rv_flag1
soltypePublished Confirmed Solution Type
st_age1.40 Gyr
st_ageerr10.30 Gyr
st_ageerr2-0.30 Gyr
st_agelim0
st_agestr1.4&plusmn;0.3 Stellar Age [Gyr]
st_dens0.88 g/cm**3
st_denserr10.07 g/cm**3
st_denserr2-0.07 g/cm**3
st_denslim0
st_densstr<div><span class="supersubNumber">0.879</span><span class="superscript">+0.065</span><span class="subscript">-0.068</span></div> Stellar Density [g/cm**3]
st_logg4.33 log(cm/s**2)
st_loggerr10.03 log(cm/s**2)
st_loggerr2-0.03 log(cm/s**2)
st_logglim0
st_loggstr<div><span class="supersubNumber">4.329</span><span class="superscript">+0.025</span><span class="subscript">-0.030</span></div> Stellar Surface Gravity [log(cm/s**2)]
st_lum0.32 log(Lsun)
st_lumerr10.01 log(Lsun)
st_lumerr2-0.01 log(Lsun)
st_lumlim0
st_lumstr<div><span class="supersubNumber">0.322</span><span class="superscript">+0.014</span><span class="subscript">-0.015</span></div> Stellar Luminosity [log(Solar)]
st_mass1.21 Msun
st_masserr10.06 Msun
st_masserr2-0.07 Msun
st_masslim0
st_massstr<div><span class="supersubNumber">1.212</span><span class="superscript">+0.058</span><span class="subscript">-0.068</span></div> Stellar Mass [Solar mass]
st_met0.16 dex
st_meterr10.08 dex
st_meterr2-0.08 dex
st_metlim0
st_metratio[Fe/H] Stellar Metallicity Ratio
st_metstr0.16&plusmn;0.08 Stellar Metallicity [dex]
st_nphot0
st_nrvc0
st_nspec0
st_rad1.25 Rsun
st_raderr10.02 Rsun
st_raderr2-0.02 Rsun
st_radlim0
st_radstr1.248&plusmn;0.024 Stellar Radius [Solar Radius]
st_radvโ€”
st_radverr1โ€”
st_radverr2โ€”
st_radvlimโ€”
st_radvstrโ€” Systemic Radial Velocity [km/s]
st_refname<a refstr=PINAMONTI_ET_AL__2025 href=https://ui.adsabs.harvard.edu/abs/2025arXiv251204606P/abstract target=ref>Pinamonti et al. 2025</a> Stellar Parameter Reference
st_rotpโ€”
st_rotperr1โ€”
st_rotperr2โ€”
st_rotplimโ€”
st_rotpstrโ€” Stellar Rotational Period [day]
st_spectypeโ€” Spectral Type
st_teff6210 K
st_tefferr140 K
st_tefferr2-40 K
st_tefflim0
st_teffstr6210&plusmn;40 Stellar Effective Temperature [K]
st_vsin6.10 km/s
st_vsinerr10.50 km/s
st_vsinerr2-0.50 km/s
st_vsinlim0
st_vsinstr6.1&plusmn;0.5 Stellar Rotational Velocity [km/s]
sy_bmag8.86 mag
sy_bmagerr10.03 mag
sy_bmagerr2-0.03 mag
sy_bmagstr8.860&plusmn;0.027 B (Johnson) Magnitude
sy_dist73.64 pc
sy_disterr10.17 pc
sy_disterr2-0.17 pc
sy_diststr<div><span class="supersubNumber">73.6360</span><span class="superscript">+0.1689</span><span class="subscript">-0.1680</span></div> Distance [pc]
sy_gaiamag8.19 mag
sy_gaiamagerr12.56e-4 mag
sy_gaiamagerr2-2.56e-4 mag
sy_gaiamagstr8.189290&plusmn;0.000256 Gaia Magnitude
sy_gmagโ€”
sy_gmagerr1โ€”
sy_gmagerr2โ€”
sy_gmagstrโ€” g (Sloan) Magnitude
sy_hmag7.08 mag
sy_hmagerr10.05 mag
sy_hmagerr2-0.05 mag
sy_hmagstr7.078&plusmn;0.049 H (2MASS) Magnitude
sy_icmagโ€”
sy_icmagerr1โ€”
sy_icmagerr2โ€”
sy_icmagstrโ€” I (Cousins) Magnitude
sy_imagโ€”
sy_imagerr1โ€”
sy_imagerr2โ€”
sy_imagstrโ€” i (Sloan) Magnitude
sy_jmag7.31 mag
sy_jmagerr10.02 mag
sy_jmagerr2-0.02 mag
sy_jmagstr7.309&plusmn;0.021 J (2MASS) Magnitude
sy_kepmagโ€”
sy_kepmagerr1โ€”
sy_kepmagerr2โ€”
sy_kepmagstrโ€” Kepler Magnitude
sy_kmag7.04 mag
sy_kmagerr10.03 mag
sy_kmagerr2-0.03 mag
sy_kmagstr7.039&plusmn;0.029 Ks (2MASS) Magnitude
sy_mnum0
sy_plx13.55 mas
sy_plxerr10.03 mas
sy_plxerr2-0.03 mas
sy_plxstr13.5514000&plusmn;0.0308328 Parallax [mas]
sy_pm105.91 mas/yr
sy_pmdec66.99 mas/yr
sy_pmdecerr10.05 mas/yr
sy_pmdecerr2-0.05 mas/yr
sy_pmdecstr66.9877000&plusmn;0.0491123 Proper Motion (Dec) [mas/yr]
sy_pmerr10.05 mas/yr
sy_pmerr2-0.05 mas/yr
sy_pmra-82.04 mas/yr
sy_pmraerr10.05 mas/yr
sy_pmraerr2-0.05 mas/yr
sy_pmrastr-82.0369000&plusmn;0.0499329 Proper Motion (RA) [mas/yr]
sy_pmstr105.912251&plusmn;0.049606 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_rmagโ€”
sy_rmagerr1โ€”
sy_rmagerr2โ€”
sy_rmagstrโ€” r (Sloan) Magnitude
sy_snum1
sy_tmag7.82 mag
sy_tmagerr16.00e-3 mag
sy_tmagerr2-6.00e-3 mag
sy_tmagstr7.8218&plusmn;0.0060 TESS Magnitude
sy_umagโ€”
sy_umagerr1โ€”
sy_umagerr2โ€”
sy_umagstrโ€” u (Sloan) Magnitude
sy_vmag8.32 mag
sy_vmagerr10.03 mag
sy_vmagerr2-0.03 mag
sy_vmagstr8.32&plusmn;0.03 V (Johnson) Magnitude
sy_w1mag6.95 mag
sy_w1magerr10.06 mag
sy_w1magerr2-0.06 mag
sy_w1magstr6.954&plusmn;0.056 W1 (WISE) Magnitude
sy_w2mag7.04 mag
sy_w2magerr10.02 mag
sy_w2magerr2-0.02 mag
sy_w2magstr7.041&plusmn;0.020 W2 (WISE) Magnitude
sy_w3mag7.05 mag
sy_w3magerr10.02 mag
sy_w3magerr2-0.02 mag
sy_w3magstr7.049&plusmn;0.016 W3 (WISE) Magnitude
sy_w4mag7.03 mag
sy_w4magerr10.07 mag
sy_w4magerr2-0.07 mag
sy_w4magstr7.028&plusmn;0.068 W4 (WISE) Magnitude
sy_zmagโ€”
sy_zmagerr1โ€”
sy_zmagerr2โ€”
sy_zmagstrโ€” z (Sloan) Magnitude
tic_idTIC 298163592 TIC ID
tran_flag0
ttv_flag0
x-0.42
y-0.34
z0.84