HD 153370 is binary star in the southern constellation of Ara.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 01m 46.35181s[1] |
| Declination | −51° 07′ 51.7016″[1] |
| Apparent magnitude (V) | 6.45[2] (7.23 + 7.27)[3] |
| Characteristics | |
| Spectral type | A7V[4] |
| B−V color index | +0.27[2] |
| Astrometry | |
| Radial velocity (Rv) | −27.90±1.78[5] km/s |
| Proper motion (μ) | RA: −10.62[1] mas/yr Dec.: −45.64[1] mas/yr |
| Parallax (π) | 9.57 ± 0.86 mas[1] |
| Distance | 340 ± 30 ly (104 ± 9 pc) |
| Orbit[3] | |
| Period (P) | 62.29 yr |
| Semi-major axis (a) | 0.2550″ |
| Eccentricity (e) | 0.67 |
| Details | |
| Luminosity | 22.5[6] L☉ |
| Temperature | 7,246[6] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
edit- ^ a b c d e 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, S2CID 18759600
- ^ a b Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...34....1N
- ^ a b Malkov, O. Yu.; et al. (2012), "Dynamical Masses of a Selected Sample of Orbital Binaries", Astronomy & Astrophysics, 546: 5, Bibcode:2012A&A...546A..69M, doi:10.1051/0004-6361/201219774, A69
- ^ Evans, D. S.; et al. (1964), "Fundamental data for southern stars (fifth list)", Royal Observatory Bulletins. Series E, 85 (85): 207–224, Bibcode:1964RGOB...85..207E
- ^ Kharchenko, N. V.; et al. (2007), "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ˜55000 stars and mean radial velocities of 516 Galactic open clusters and associations", Astronomische Nachrichten, 328 (9): 889–896, arXiv:0705.0878, Bibcode:2007AN....328..889K, doi:10.1002/asna.200710776, S2CID 119323941
- ^ a b McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x, S2CID 118665352
External links
edit
 | This binary or multiple star system–related article is a stub. You can help Wikipedia by expanding it. |