Gliese 784

GJ 784

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Telescopium
Right ascension	20^h 13^m 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
Distance	20.2 ± 0.1 ly (6.20 ± 0.04 pc)
Other designations
CD -45 13677[2][3] HD 191849[4] Ci 20 1196[5] SAO 230110[6] LPM 730 LTT 7999 LFT 1532 PM 20103-4519 PPM 325963 NLTT 48880[7] LHS 3531[8] GJ 784[9] PLX 4794[10] HIP 99701[1] TYC 8392-2673-1[11][12] 2MASS J20135335-4509506
Database references
SIMBAD	data

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. Perryman; et al. (1997). "HIP 99701". The Hipparcos and Tycho Catalogues.
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. Thome, John Macon (1892–1932). "CD -45 13677". Cordoba Durchmusterung.
4. Cannon, Annie Jump; et al. (1918–1924). "HD 191849". Henry Draper Catalogue and Extension.
5. 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).
6. SAO Staff (1966). "SAO 230110". SAO Star Catalog J2000.
7. Luyten, Willem Jacob (1979). "NLTT 48880". NLTT Catalogue.
8. Luyten, Willem Jacob (1979). "LHS 3531". LHS Catalogue, 2nd Edition.
9. Gliese, W. and Jahreiß, H. (1991). "Gl 784". Preliminary Version of the Third Catalogue of Nearby Stars.
10. Van Altena W. F., Lee J. T., Hoffleit E. D. (1995). "GCTP 4794". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.).
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.