Ikhtisar KOI-55

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Ikhtisar KOI-55

KOI-55 adalah bintang dengan radius 4.08 R☉ dan suhu efektif 10677 K.

Planet-planet

NamaJarak OrbitUkuran PlanetMetodeTahunReferensiKeputusan
KOI-55 b0,24 hari0,76 R⊕Modulasi Kecerahan Orbit2011Charpinet et al. 2011Planet Terkonfirmasi
KOI-55 c0,34 hari0,87 R⊕Modulasi Kecerahan Orbit2011Charpinet et al. 2011Planet Terkonfirmasi

Posisi dan Gerak

RA 19h45m25,48s Dec +41d05m33,83s Jarak 1231,020±48,015 pc Paralaks 0,7850170±0,0313871 mas Lintang Ekliptika 60,65254 derajat Bujur Ekliptika 313,04908 derajat Lintang Galaksi 8,23109 derajat Bujur Galaksi 75,1612 derajat Gerak Sendiri Total 7,8384452±0,0606899 mas/thn Gerak Sendiri (RA) 7,1848600±0,0607536 mas/thn Gerak Sendiri (Dec) -3,133530±0,060354 mas/thn

Fotometri

PitaMagnitudo
m V15,154±0,150
m TESS15,016
m J15,356±0,045
m H15,593±0,135
m Ks15,495
m Kep15,019
m W115,438±0,038
m W215,983±0,140
m W312,687
m W49,173
m Gaia14,906200±0,000602
m B14,837±0,006
m g14,731
m i15,447
m r15,115
m z15,704

Parameter Stellar

SumberGaia DR2Charpinet et al. 2011Latham et al. 2005Lainnya
Suhu Efektif (K)27730,0±270,08868,667+724,333-905,41727730±27010677
Metalitas (dex)-0,106 [Fe/H]
Radius Bintang (R☉)0,203±0,0070,203±0,0074,079
log g (log10(cm/s²))5,518560±0,0282125,52±0,033,65
Luminositas (log10(L☉))1,3414864+0,0445404-0,04963601,360+0,055-0,063
Kepadatan (g/cm³)83,5909980±8,342224284,1±2,9
Massa Bintang (M☉)0,496±0,0100,496±0,002
Tipe SpektralB

Parameter Planet KOI-55 b

SumberCharpinet et al. 2011
Massa Planet (M⊕)0,440
Massa Planet (M Jup)0,0014
Inklinasi (derajat)65
Periode (hari)0,240104±0,000004
Radius Planet (R⊕)0,759
Radius Planet (R Jup)0,0677
Sumbu Semi-mayor (au)0,0060

Parameter Planet KOI-55 c

SumberCharpinet et al. 2011
Massa Planet (M⊕)0,655
Massa Planet (M Jup)0,0021
Inklinasi (derajat)65
Periode (hari)0,342887±0,000013
Radius Planet (R⊕)0,867
Radius Planet (R Jup)0,0773
Sumbu Semi-mayor (au)0,0076

Produk Deteksi Kepler

  • q1_q17_dr24_stellar (onesigdepth)
  • q1_q17_dr24_stellar (window)
  • q1_q17_dr25_stellar (onesigdepth)
  • q1_q17_dr25_stellar (window)

Referensi

  • Stassun et al. 2019 – The Revised TESS Input Catalog and Candidate Target List
  • Blokesz et al. 2019 – Analysis of putative exoplanetary signatures found in light curves of two sdBV stars observed by Kepler
  • Gaia DR2 – Gaia Data Release 2
  • Cutri et al. 2014 – All WISE Data Release
  • Charpinet et al. 2011 – A compact system of small planets around a former red-giant star
  • Latham et al. 2005 – The Kepler Input Catalog
  • 2MASS Point Source Catalog – 2MASS All-Sky Catalog of Point Sources
KOI55

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