Gliese 784

GJ 784
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Telescopium
Right ascension 20h 13m 53.39765 s[1]
Declination −45° 09′ 50.4723″[1]
Apparent magnitude (V) 7.966
Characteristics
Spectral type M0V
Astrometry
Radial velocity (Rv)-35.10 ± 0.2 km/s
Parallax (π)161.34 ± 1.00[1] mas
Distance20.2 ± 0.1 ly
(6.20 ± 0.04 pc)
Other designations
Database references
SIMBADdata

Gliese 784 is a red dwarf star of spectral type M0V, located in constellation Telescopium at 20.2 light-years from Earth.[1]

History of observations

Gliese 784 is known at least from 1900, when it was included in Cordoba Durchmusterung (CD) catalogue by John M. Thome. The corresponding designation is CD -45 13677.[2][3]

References

  1. 1 2 3 4 5 Perryman; et al. (1997). "HIP 99701". The Hipparcos and Tycho Catalogues.
  2. 1 2 Thome, J. M. (1900). "Cordoba Durchmusterung declination -42 to -52.". Resultados del Observatorio Nacional Argentino. 18: 1–502. Bibcode:1900RNAO...18....1T. (See also 1900RNAO...18....1., 1900RNAO...18.....T). Page 206 (CD-45 13677)
  3. 1 2 Thome, John Macon (1892–1932). "CD -45 13677". Cordoba Durchmusterung.
  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 26 (Ci 20 1196).
  5. ↑ Gliese, W.; Jahreiß, H. (1991). "Gl 784". Preliminary Version of the Third Catalogue of Nearby Stars.
  6. ↑ Cannon, Annie Jump; et al. (1918–1924). "HD 191849". Henry Draper Catalogue and Extension.
  7. ↑ Luyten, Willem Jacob (1979). "LHS 3531". LHS Catalogue, 2nd Edition.
  8. ↑ Luyten, Willem Jacob (1979). "NLTT 48880". NLTT Catalogue.
  9. ↑ Van Altena W. F.; Lee J. T.; Hoffleit E. D. (1995). "GCTP 4794". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.).
  10. ↑ SAO Staff (1966). "SAO 230110". SAO Star Catalog J2000.
  11. ↑ Perryman; et al. (1997). "HIP 99701". The Hipparcos and Tycho Catalogues.
  12. ↑ Hog; et al. (2000). "TYC 8392-2673-1". The Tycho-2 Catalogue.
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