Gliese 693

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Gliese 693
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Pavo
Right ascension 17h 46m 32,4s
Declination −57° 19′ 09″
Apparent magnitude (V) +10.75
Characteristics
Spectral type M2.0V
Variable type Flare star
Astrometry
Radial velocity (Rv)115.00 km/s
Proper motion (μ) RA: −1116.909±0.046[1] mas/yr
Dec.: −1353.927±0.047[1] mas/yr
Parallax (π)169.8042 ± 0.0465[1] mas
Distance19.208 ± 0.005 ly
(5.889 ± 0.002 pc)
Absolute magnitude (MV)+11.92
Details
Mass0.26 M☉
Radius0.30 R☉
Luminosity0.0015 L☉
Temperature3380 K
Other designations
GJ 693[2], HIP 86990[3], Ci 20 1061[4], L 205-128, LFT 1372, LHS 454[5], LPM 655, LTT 7067, NLTT 45375[6], PLX 4040[7], TYC 8737-2175-1[8], 2MASS J17463427-5719081, DENIS J174634.7-571903
Database references
SIMBADdata

Gliese 693 is a red dwarf star and a flare star of spectral type M2 located in the constellation Pavo, 18.95 light-years from Earth.[3]

References[]

  1. ^ a b c Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. Gaia EDR3 record for this source at VizieR.
  2. ^ Gliese, W.; Jahreiß, H. (1991). "Gl 693". Preliminary Version of the Third Catalogue of Nearby Stars.
  3. ^ a b Perryman; et al. (1997). "HIP 86990". The Hipparcos and Tycho Catalogues.
  4. ^ Porter, J. G.; Yowell, E. J.; Smith, E. S. (1930). "A catalogue of 1474 stars with proper motion exceeding four-tenths year". Publications of the Cincinnati Observatory. 20: 1–32. Bibcode:1930PCinO..20....1P. Page 24 (Ci 20 1061).
  5. ^ Luyten, Willem Jacob (1979). "LHS 454". LHS Catalogue, 2nd Edition.
  6. ^ Luyten, Willem Jacob (1979). "NLTT 45375". NLTT Catalogue.
  7. ^ Van Altena W. F.; Lee J. T.; Hoffleit E. D. (1995). "GCTP 4040". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.).
  8. ^ Perryman; et al. (1997). "HIP 86990". The Hipparcos and Tycho Catalogues.
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