FY 3379
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Star GJ 3379 |
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| AladinLite | |||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Orion | ||||||||
| Right ascension | 06 h 00 m 3.5 s | ||||||||
| declination | + 02 ° 42 ′ 23.6 ″ | ||||||||
| Apparent brightness | 11.31 ± 0.05 mag | ||||||||
| Typing | |||||||||
| B − V color index | (1.70) | ||||||||
| R − I index | (1.61) | ||||||||
| Spectral class | M3.5 V | ||||||||
| Variable star type | UV Ceti star | ||||||||
| Astrometry | |||||||||
| Radial velocity | (+28.7 ± 0.7) km / s | ||||||||
| parallax | (192.07 ± 0.07) mas | ||||||||
| distance | (17.0) Ly (5.2) pc |
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| Proper movement | |||||||||
| Rec. Share: | (309.5) mas / a | ||||||||
| Dec. portion: | (−40.6) mas / a | ||||||||
| Physical Properties | |||||||||
| Dimensions | (0.19) M ☉ | ||||||||
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Other names and catalog entries |
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FY 3379 or Giclas 99-49 (abbreviated G 99-49 ) is about 17 light-years away from the sun is the closest known star in the constellation Orion . The main sequence star is a red dwarf with the spectral class M3.5 V. It has an apparent magnitude of 11.3. So the star is not visible to the naked eye. It is located in the upper left area of Orion a little below Betelgeuse . Its radial speed is +30.0 kilometers per second. The star is classified as a UV Ceti star .
Individual evidence
- ↑ a b c d e f g SIMBAD: GJ 3379. Accessed July 7, 2018 .
- ↑ Bobylev, V .: Stars Outside the Hipparcos List Closely Encountering the Solar System . In: Astronomy Letters . tape 11 , no. 36 , 2010, p. 816–822 , doi : 10.1134 / S1063773710110071 , arxiv : 1009.4856 , bibcode : 2010AstL ... 36..816B .