Gliese 693

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Gliese 693
Pavo constellation map.svg
Red pog.png
Gliese 693
Location of Gliese 693 in the constellation Pavo

Observation data
Epoch J2000.0        Equinox J2000.0
Constellation Pavo [1]
Right ascension 17h 46m 34.233s [2]
Declination −57° 19′ 08.56″ [2]
Apparent magnitude  (V)+10.75 [1]
Characteristics
Evolutionary stage main sequence [3]
Spectral type M3.5V [1]
Variable type suspected flare star [4] [5]
Astrometry
Radial velocity (Rv)−43.79±0.19 [2] km/s
Proper motion (μ)RA: −1,116.909 mas/yr [2]
Dec.: −1,353.927 mas/yr [2]
Parallax (π)169.8042±0.0465  mas [2]
Distance 19.208 ± 0.005  ly
(5.889 ± 0.002  pc)
Absolute magnitude  (MV)+11.92 [1]
Details
Mass 0.27 [6]   M☉
Radius 0.29 [6]   R☉
Luminosity 0.010 [6]   L☉
Surface gravity (log g)4.94 [6]   cgs
Temperature 3,386 [6]   K
Metallicity [Fe/H]−0.18 [3]   dex
Rotation 97 days [7]
Rotational velocity (v sin i)0.82 [8]  km/s
Age 7.6 [3]   Gyr
Other designations
GJ 693 [9] , HIP 86990 [10] , Ci 20 1061 [11] , L 205-128, LFT 1372, LHS 454 [12] , LPM 655, LTT 7067, NLTT 45375 [13] , PLX 4040 [14] , TYC 8737-2175-1 [15] , 2MASS J17463427-5719081, DENIS J174634.7-571903
Database references
SIMBAD data

Gliese 693 is a red dwarf star and a flare star of spectral type M3.5 located in the constellation Pavo, [1] 19.2 light-years from Earth. [2]

References

  1. 1 2 3 4 5 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters . 38 (5): 331. arXiv: 1108.4971 . Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. XHIP record for this object at VizieR .
  2. 1 2 3 4 5 6 7 Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211 . Bibcode:2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940 . S2CID   244398875. Gaia DR3 record for this source at VizieR .
  3. 1 2 3 Maldonado, J.; Micela, G.; Baratella, M.; d'Orazi, V.; Affer, L.; Biazzo, K.; Lanza, A. F.; Maggio, A.; González Hernández, J. I.; Perger, M.; Pinamonti, M.; Scandariato, G.; Sozzetti, A.; Locci, D.; Di Maio, C.; Bignamini, A.; Claudi, R.; Molinari, E.; Rebolo, R.; Ribas, I.; Toledo-Padrón, B.; Covino, E.; Desidera, S.; Herrero, E.; Morales, J. C.; Suárez-Mascareño, A.; Pagano, I.; Petralia, A.; Piotto, G.; Poretti, E. (2020). "HADES RV programme with HARPS-N at TNG. XII. The abundance signature of M dwarf stars with planets". Astronomy and Astrophysics. 644: A68. arXiv: 2010.14867 . Bibcode:2020A&A...644A..68M. doi:10.1051/0004-6361/202039478.
  4. ↑ "NSV 9629". International Variable Star Index. AAVSO . Retrieved 2026-02-02.
  5. ↑ Medina, Amber A.; Winters, Jennifer G.; Irwin, Jonathan M.; Charbonneau, David (2022). "Galactic Kinematics and Observed Flare Rates of a Volume-complete Sample of Mid-to-late M Dwarfs: Constraints on the History of the Stellar Radiation Environment of Planets Orbiting Low-mass Stars". The Astrophysical Journal. 935 (2): 104. arXiv: 2205.02331 . Bibcode:2022ApJ...935..104M. doi: 10.3847/1538-4357/ac77f9 .
  6. 1 2 3 4 5 Stassun, Keivan G.; et al. (2019). "The Revised TESS Input Catalog and Candidate Target List". The Astronomical Journal. 158 (4): 138. arXiv: 1905.10694 . Bibcode:2019AJ....158..138S. doi: 10.3847/1538-3881/ab3467 .
  7. ↑ Astudillo-Defru, N.; Delfosse, X.; Bonfils, X.; Forveille, T.; Lovis, C.; Rameau, J. (2017). "Magnetic activity in the HARPS M dwarf sample. The rotation-activity relationship for very low-mass stars through R'HK". Astronomy and Astrophysics. 600. arXiv: 1610.09007 . Bibcode:2017A&A...600A..13A. doi:10.1051/0004-6361/201527078.
  8. ↑ Houdebine, E. R.; Mullan, D. J.; Bercu, B.; Paletou, F.; Gebran, M. (2017). "The Rotation-Activity Correlations in K and M Dwarfs. II. New Constraints on the Dynamo Mechanisms in Late-K and M Dwarfs Before and at the Transition to Complete Convection". The Astrophysical Journal. 837 (1): 96. arXiv: 1701.07608 . Bibcode:2017ApJ...837...96H. doi: 10.3847/1538-4357/aa5cad .
  9. ↑ Gliese, W.; Jahreiß, H. (1991). "Gl 693". Preliminary Version of the Third Catalogue of Nearby Stars. Archived from the original on 2016-03-04. Retrieved 2015-09-21.
  10. ↑ Perryman; et al. (1997). "HIP 86990". The Hipparcos and Tycho Catalogues. Archived from the original on 2016-03-04. Retrieved 2015-09-21.
  11. ↑ 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.
  12. ↑ Luyten, Willem Jacob (1979). "LHS 454". LHS Catalogue, 2nd Edition. Archived from the original on 2020-09-25. Retrieved 2015-10-15.
  13. ↑ Luyten, Willem Jacob (1979). "NLTT 45375". NLTT Catalogue. Archived from the original on 2016-03-04. Retrieved 2015-10-15.
  14. ↑ Van Altena W. F.; Lee J. T.; Hoffleit E. D. (1995). "GCTP 4040". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.). Archived from the original on 2016-03-04. Retrieved 2015-09-21.
  15. ↑ Perryman; et al. (1997). "HIP 86990". The Hipparcos and Tycho Catalogues. Archived from the original on 2016-03-04. Retrieved 2015-09-21.
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