AO Mensae

AO Mensae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Mensa
Right ascension 06h 18m 28.2077s[1]
Declination −72° 02′ 41.447″[1]
Apparent magnitude (V) 9.80[2]
Characteristics
Spectral type K4Ve[3]
B−V color index +1.13[2]
Variable type BY Dra[4]
Astrometry
Radial velocity (Rv)16.20±1 km/s
Proper motion (μ) RA: −7.670±0.122 mas/yr
Dec.: +74.367±0.137 mas/yr
Parallax (π)25.61 ± 0.22[1] mas
Distance127 ± 1 ly
(39.0 ± 0.3 pc)
Absolute magnitude (MV)+6.87[2]
Details
Mass0.8[2] M☉
Radius0.8[2] R☉
Rotational velocity (v sin i)16.40[2] km/s
Other designations
AO Men, CPD−71° 427, HD 45081, HIP 29964[5]
Database references
SIMBADdata

AO Mensae is a variable star in the constellation Mensa. An orange dwarf of spectral type K4Ve, it has 80% of the mass and diameter of the Sun.[2] It is a member of the Beta Pictoris moving group, a loose association of young stars moving through the galaxy.

References

  1. 1 2 3 Brown, A. G. A; et al. (2016). "Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties". Astronomy and Astrophysics. 595. A2. arXiv:1609.04172. Bibcode:2016A&A...595A...2G. doi:10.1051/0004-6361/201629512. Gaia Data Release 1 catalog entry
  2. 1 2 3 4 5 6 7 Messina, S; Desidera, S; Turatto, M; Lanzafame, A. C; Guinan, E. F (2010). "RACE-OC project: Rotation and variability of young stellar associations within 100 pc". Astronomy and Astrophysics. 520: A15. arXiv:1004.1959. Bibcode:2010A&A...520A..15M. doi:10.1051/0004-6361/200913644.
  3. ↑ Torres, C. A. O; Quast, G. R; Da Silva, L; de la Reza, R; Melo, C. H. F; Sterzik, M (2006). "Search for associations containing young stars (SACY)". Astronomy & Astrophysics. 460 (3): 695. arXiv:astro-ph/0609258. Bibcode:2006A&A...460..695T. doi:10.1051/0004-6361:20065602.
  4. ↑ Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
  5. ↑ "AO Men". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 7 May 2018.


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