HD 130458
HD 130458 is a double star in the southern circumpolar constellation of Apus. The pair have an angular separation of 2.167″.[3]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Apus |
| Right ascension | 14h 53m 13.57117s[1] |
| Declination | −73° 11′ 24.2613″[1] |
| Apparent magnitude (V) | 5.80[2] (5.94 + 7.68)[3] |
| Characteristics | |
| Spectral type | G7IIIa + F9IV[3] |
| U−B color index | +0.42[4] |
| B−V color index | +0.82[4] |
| Astrometry | |
| Radial velocity (Rv) | +31.6[2] km/s |
| Proper motion (μ) | RA: 17.09±0.44[1] mas/yr Dec.: 33.78±0.49[1] mas/yr |
| Parallax (π) | 9.90 ± 0.55[1] mas |
| Distance | 330 ± 20 ly (101 ± 6 pc) |
| Details | |
| Rotational velocity (v sin i) | 3.4[2] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
- van Leeuwen, F. (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.Vizier catalog entry
- Torres, C. A. O.; et al. (December 2006). "Search for associations containing young stars (SACY). I. Sample and searching method". Astronomy and Astrophysics. 460 (3): 695–708. arXiv:astro-ph/0609258. Bibcode:2006A&A...460..695T. doi:10.1051/0004-6361:20065602.
- Eggleton, P. P.; Tokovinin, A. A. (September 2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869–879. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x.
- Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J
External links
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