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 |
| Parallax (π) | 172.08 ± 2.22[1] mas |
| Distance | 19.0 ± 0.2 ly (5.81 ± 0.07 pc) |
| Absolute magnitude (MV) | +11.92 |
| Details | |
| Mass | 0.26 M☉ |
| Radius | 0.30 R☉ |
| Luminosity | 0.0015 L☉ |
| Temperature | 3380 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
Gliese 693 is a flare star of spectral type M2, located in constellation Pavo at 18.95 light-years from Earth.[1]
References
- 1 2 3 Perryman; et al. (1997). "HIP 86990". The Hipparcos and Tycho Catalogues.
- 1 2 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).
- ↑ Gliese, W.; Jahreiß, H. (1991). "Gl 693". Preliminary Version of the Third Catalogue of Nearby Stars.
- ↑ Luyten, Willem Jacob (1979). "LHS 454". LHS Catalogue, 2nd Edition.
- ↑ Luyten, Willem Jacob (1979). "NLTT 45375". NLTT Catalogue.
- ↑ Van Altena W. F.; Lee J. T.; Hoffleit E. D. (1995). "GCTP 4040". The General Catalogue of Trigonometric Stellar Parallaxes (Fourth ed.).
- ↑ Perryman; et al. (1997). "HIP 86990". The Hipparcos and Tycho Catalogues.
- ↑ "Proper Motions Found and Measured with the Blink-Microscope". Circular of the Union Observatory Johannesburg. 48: 42–50. 1920. Bibcode:1920CiUO...48...42. Page 47 (see string 33)
This article is issued from Wikipedia - version of the 5/31/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.