HD 186302
HD 186302 (also designated HIP 97507)[1] is a star in the constellation of Pavo. It is about 184 light-years (56 parsecs) away from Earth, with an apparent magnitude of 8.76.[1] It was identified in November 2018 as a potential solar sibling to the Sun. It is very similar to the Sun; the Sun is a G2V star. Similar by spectrum and size, it may have formed in the same stellar nursery as the Sun 4.57 billion years ago.[2]
  | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pavo |
| Right ascension | 19h 49m 6.43s[1] |
| Declination | −70° 11′ 16.7″[1] |
| Apparent magnitude (V) | 8.76[1] |
| Characteristics | |
| Spectral type | G3/5V[1] |
| B−V color index | 0.67 |
| Astrometry | |
| Proper motion (μ) | RA: -23.954 [1] mas/yr Dec.: -38.710[1] mas/yr |
| Parallax (π) | 17.7148 ± 0.0310[1] mas |
| Distance | 184.1 ± 0.3 ly (56.45 ± 0.10 pc) |
| Details | |
| Temperature | 5817 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
- "HD 186302". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved November 24, 2018.
- Did Astronomers Just Find The Sun’s Sister? Bob P. King, November 24, 2018
External links
- The AMBRE project: searching for the closest solar siblings, V. Adibekyan, P. de Laverny, A. Recio-Blanco, S. G. Sousa, E. Delgado-Mena, G. Kordopatis, A. C. S. Ferreira, N. C. Santos, A. A. Hakobyan and M. Tsantaki, Received 19 September 2018 / Accepted 3 October 2018
| Stars |
| ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||
| Galaxies |
| ||||||||||
| |||||||||||
 | |||||||||||
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.