Astronomy:HD 153370
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Short description: Star in the constellation Ara
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| 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[1] mas |
| 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 |
HD 153370 is binary star in the southern constellation of Ara.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode: 2007A&A...474..653V
- ↑ 2.0 2.1 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
- ↑ 3.0 3.1 Malkov, O. Yu. et al. (2012), "Dynamical Masses of a Selected Sample of Orbital Binaries", Astronomy & Astrophysics 546: 5, doi:10.1051/0004-6361/201219774, A69, Bibcode: 2012A&A...546A..69M
- ↑ 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, doi:10.1002/asna.200710776, Bibcode: 2007AN....328..889K
- ↑ 6.0 6.1 McDonald, I. et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society 427 (1): 343–57, doi:10.1111/j.1365-2966.2012.21873.x, Bibcode: 2012MNRAS.427..343M
External links
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