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HIP 41378

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HIP 41378
Observation data
Epoch J2000      Equinox J2000
Constellation Cancer
Right ascension 08h 26m 27.84902s[1]
Declination +10° 04′ 49.3488″[1]
Apparent magnitude (V) 8.92[1]
Characteristics
Evolutionary stage Main sequence[citation needed]
Spectral type F8[1]
Astrometry
Parallax (π)8.56 ± 1.24 mas[1]
Distanceapprox. 380 ly
(approx. 120 pc)
Details
Mass1.15 ± 0.064[2] M☉
Radius1.4 ± 0.19[2] R☉
Temperature6199 ± 50[2] K
Metallicity [Fe/H]-0.11 ± 0.08[2] dex
Other designations
BD+10°1799, HIP 41378, PPM 125260, YZ 10 3402, AG+10 1097, EPIC 211311380[citation needed]
Database references
SIMBADdata

HIP 41378 is a star located 378 light-years away in the constellation of Cancer. The star has an apparent magnitude of 8.92. This F-type main sequence dwarf has a mass of 1.15 M☉ and a radius of 1.4 R☉. It has a surface temperature of about 6199 K.[2]

Planetary system

HIP 41378 is known to host 5 planets, with sizes ranging from 2 times the size of Earth to the size of Jupiter, out to about 1 AU for the outermost planet. The semi-major axes are not known.

The HIP 41378 planetary system[2]
Companion
(in order from star) 		Mass Semimajor axis
(AU) 		Orbital period
(days) 		Eccentricity Inclination Radius
b — — 5.71493 ± 0.00001 — 88.4 ± 1.6° 2.90 ± 0.44 R🜨
c — — 31.6978 ± 0.0040 — 89.58 ± 0.52° 2.56 ± 0.40 R🜨
e — — 131 — 89.98 ± 0.02° 5.51 ± 0.77 R🜨
d — — 157 — 89.7 ± 0.3° 3.96 ± 0.59 R🜨
f — — 324 — 89.9 ± 0.03° 10.2 ± 1.4 R🜨

References

  1. ^ a b c d e "BD+10 1799". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 7 July 2016.
  2. ^ a b c d e f Andrew Vanderburg; et al. (2016). "Five Planets Transiting a Ninth Magnitude Star". The Astrophysical Journal. 827: L10. arXiv:1606.08441v1. Bibcode:2016ApJ...827L..10V. doi:10.3847/2041-8205/827/1/L10. {{cite journal}}: Cite has empty unknown parameter: |description= (help); Explicit use of et al. in: |author= (help)CS1 maint: unflagged free DOI (link)
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