Pi1 Pegasi

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Pi1 Pegasi
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Pegasus
Right ascension 22h 09m 13.633s[1]
Declination +33° 10′ 20.41″ [1]
Apparent magnitude (V) +5.595[2]
Characteristics
Spectral type G6 III
Astrometry
Radial velocity (Rv) +8.50 ± 0.1 km/s
Proper motion (μ) RA: -61.14 ± 0.32[1] mas/yr
Dec.: –66.84 ± 0.32[1] mas/yr
Parallax (π) 11.30 ± 0.30[1] mas
Distance 289 ± 8 ly
(88 ± 2 pc)
Absolute magnitude (MV) 0.84[3]
Details
Mass 1.92[3] M
Luminosity 201.6[3] L
Temperature 4793[3] K
Metallicity [Fe/H] -0.22[3] dex
Other designations
27 Peg, BD+32 4349, HD 210354, HIP 109352, HR 8449, SAO 72064.[2]
Database references
SIMBAD data

Pi1 Pegasi1 Peg, π1 Pegasi) is a star in the constellation Pegasus. Of apparent magnitude 5.59, its brightness is dimmer by 0.05 magnitude due to interstellar extinction. It is a yellow giant 1.92 times as massive as the Sun and 201.6 times as luminous.[3]

References[edit]

  1. ^ a b c d e van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752Freely accessible, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357 
  2. ^ a b SIMBAD, Pi1 Pegasi (accessed 16 March 2016)
  3. ^ a b c d e f Takeda, Yoichi; Sato, Bun'ei; Murata, Daisuke (August 2008), "Stellar Parameters and Elemental Abundances of Late-G Giants", Publications of the Astronomical Society of Japan, 60 (4): 781–802, arXiv:0805.2434Freely accessible, Bibcode:2008PASJ...60..781T, doi:10.1093/pasj/60.4.781