Gliese 880

Gliese 880
Observation data
Epoch J2000      Equinox
Constellation Pegasus
Right ascension 22h 56m 34.8048s
Declination 16° 33′ 12.35″
Characteristics
Evolutionary stage Main sequence
Spectral type M2.0V
Apparent magnitude (U) 11.323
Apparent magnitude (B) 10.143
Apparent magnitude (V) 8.638
Apparent magnitude (R) 7.657
Apparent magnitude (I) 6.542
Apparent magnitude (J) 5.360
Apparent magnitude (H) 4.800
Apparent magnitude (K) 4.523
Astrometry
Radial velocity (Rv)-27.44 ± 0.09 km/s
Proper motion (μ) RA: -1034.34 ± 0.97 mas/yr
Dec.: -284.09 ± 1.06 mas/yr
Parallax (π)146.09 ± 1.00 mas
Distance6.88 ± 5.73−2[1] pc
Details[1]
Mass0.5860±0.0586 M☉
Radius0.689±0.044 R☉
Temperature3373 ± 100 K
Metallicity [Fe/H]+0.20±0.05[2] dex
Rotation37.5±0.1 d[3]
Rotational velocity (v sin i)< 2.8 km/s
Database references
SIMBADdata

Gliese 880 (GJ 880 / HD 216899)[4] is a red dwarf star in the constellation of Pegasus.

References

  1. 1 2 Lopez‐Morales, Mercedes (May 2007). "On the Correlation between the Magnetic Activity Levels, Metallicities, and Radii of Low‐Mass Stars" (PDF). The Astrophysical Journal. 660 (1): 732–739. arXiv:astro-ph/0701702. Bibcode:2007ApJ...660..732L. doi:10.1086/513142. Retrieved 4 April 2015.
  2. ↑ Lindgren, Sara; Heiter, Ulrike (2017). "Metallicity determination of M dwarfs. Expanded parameter range in metallicity and effective temperature". Astronomy and Astrophysics. 604: A97. arXiv:1705.08785. Bibcode:2017A&A...604A..97L. doi:10.1051/0004-6361/201730715.
  3. ↑ Suárez Mascareño, A.; et al. (September 2015), "Rotation periods of late-type dwarf stars from time series high-resolution spectroscopy of chromospheric indicators", Monthly Notices of the Royal Astronomical Society, 452 (3): 2745–2756, arXiv:1506.08039, Bibcode:2015MNRAS.452.2745S, doi:10.1093/mnras/stv1441.
  4. ↑ "Gliese 880". SIMBAD. Retrieved 4 April 2015.


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