EQ Pegasi
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| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Pegasus |
| Right ascension | 23h 31m 52.17898s[1] |
| Declination | +19° 56′ 14.1505″[1] |
| Apparent magnitude (V) | 10.165 (10.35 / 12.4) |
| Characteristics | |
| Spectral type | M3.5V / M4.5V |
| Astrometry | |
| Parallax (π) | 161.76 ± 1.66 mas[1] |
| Distance | 20.2 ± 0.2 ly (6.18 ± 0.06 pc) |
| Other designations | |
| EQ Peg A: TYC 1723-23-1, 2MASS J23315208+1956142[3] | |
| EQ Peg B: LFT 1800, LHS 3966, LTT 16920, NLTT 57136, TYC 1723-23-2, 2MASS J23315244+1956138[4] | |
| Database references | |
| SIMBAD | The system |
| A | |
| B | |
EQ Pegasi is a system of two red dwarf stars of spectral types M3.5V and M4.5V, located in constellation Pegasus at 20 light-years from Earth.[1] In 1998, it was the basis of a hoax, as a telecommunications company claimed it had discovered "alien" signals originating from the star.[5]
References
- ^ a b c d van Leeuwen, F.; et al. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ^ "BD+19 5116". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 18 August 2017.
- ^ "BD+19 5116A". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 18 August 2017.
- ^ "BD+19 5116A". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 18 August 2017.
- ^ "BBC News | Sci/Tech | Alien hoax dismays scientists". news.bbc.co.uk. Retrieved 2018-09-25.
- Weis, E. W.; Lee, J. T.; Lee, A. H.; Griese, J. W., III; Vincent, J. M.; Upgren, A. R. (1999). "Parallaxes and Proper Motions. XX". The Astronomical Journal. 117 (2): 1037–1041. Bibcode:1999AJ....117.1037W. doi:10.1086/300747.
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