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KIC 10001893 (Kepler-429) is a subdwarf B star with 3 possible exoplanets,[4] but they probably do not exist.[5] They were detected by orbital brightness modulation.[6]

The KIC 10001893 planetary system[3]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
d (unconfirmed) — 0.9856631677316327[7] 0.81161 0[7] — —
c (unconfirmed) — 0.9904421118210884[6] 0.32528 0[6] — —
b (unconfirmed) — — 0.21970 — — —
Kepler-429
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Lyra[1]
Right ascension 19h 09m 33.4134010391s[2]
Declination +46° 59′ 04.107766133″[2]
Characteristics
Evolutionary stage Subdwarf B star
Spectral type sdB[2]
Apparent magnitude (J) 16.36±0.10[2]
Astrometry
Proper motion (μ) RA: 1.322[2] mas/yr
Dec.: -5.864[2] mas/yr
Parallax (π)0.5687 ± 0.0523 mas[2]
Distance5,700 ± 500 ly
(1,800 ± 200 pc)
Details[3]
Surface gravity (log g)5.35±0.05 cgs
Temperature27500+200
−500 K
Other designations
Gaia DR2 2130473176626619136, Kepler-429, KIC 10001893, 2MASS J19093340+4659041[2]
Database references
SIMBADdata
Exoplanet Archivedata

References


  1. Staff (2 August 2008). "Finding the constellation which contains given sky coordinates". DJM.cc. Retrieved 2 January 2021.
  2. "Kepler-429 -- Hot subdwarf". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2 January 2021.
  3. "KIC 10001893". NASA Exoplanet Archive. Retrieved 2 January 2021.
  4. Kepler detection of a new extreme planetary system orbiting the subdwarf-B pulsator KIC10001893, arXiv:1409.6975
  5. Blokesz, A.; et al. (July 2019). "Analysis of putative exoplanetary signatures found in light curves of two sdBV stars observed by Kepler". Astronomy & Astrophysics. 627: A86. arXiv:1906.03321. Bibcode:2019A&A...627A..86B. doi:10.1051/0004-6361/201835003. S2CID 182952925.
  6. "Eyes on Exoplanets-KIC 10001893 c".
  7. "Eyes on Exoplanets-KIC 10001893 d".
The Kepler-429 system.
The Kepler-429 system.

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