Gliese 693

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Wikipedia

Gliese 693
Gliese 693 is located in the constellation Pavo
Gliese 693 is located in the constellation Pavo
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]
Distance19.208 ± 0.005 ly
(5.889 ± 0.002 pc)
Absolute magnitude (MV)+11.92[1]
Details
Mass0.27[6] M☉
Radius0.29[6] R☉
Luminosity0.010[6] L☉
Surface gravity (log g)4.94[6] cgs
Temperature3,386[6] K
Metallicity [Fe/H]−0.18[3] dex
Rotation97 days[7]
Rotational velocity (v sin i)0.82[8] km/s
Age7.6[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
SIMBADdata

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.