Astronomy:HD 155035
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Short description: Star in the constellation Ara
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 11m 38.68606s[2] |
| Declination | –48° 52′ 24.2049″[2] |
| Apparent magnitude (V) | 5.92[3] |
| Characteristics | |
| Spectral type | M1.5 III[4] |
| B−V color index | +1.82[3] |
| Variable type | LB[5] |
| Astrometry | |
| Proper motion (μ) | RA: 7.600[2] mas/yr Dec.: –6.378[2] mas/yr |
| Parallax (π) | 2.2444 ± 0.0772[2] mas |
| Distance | 1,450 ± 50 ly (450 ± 20 pc) |
| Details | |
| Mass | 4.07[6] M☉ |
| Radius | 172[7] R☉ |
| Luminosity | 3,454[8] L☉ |
| Temperature | 3,675[7] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 155035 is the Henry Draper Catalogue designation for a star in the constellation Ara, the Altar. It is located at a distance of approximately 1,450 light-years (450 parsecs)[2] from Earth and has an apparent visual magnitude of 5.92,[3] making it is faintly visible to the naked eye. This is a red giant star with a stellar classification of M1.5 III.[4] It an irregular variable that changes brightness over an amplitude range of 0.12 magnitudes.[10]
References
- ↑ "Hipparcos Tools Interactive Data Access". ESA. https://www.cosmos.esa.int/web/hipparcos/interactive-data-access.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Brown, A. G. A. (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics 649: A1. doi:10.1051/0004-6361/202039657. Bibcode: 2021A&A...649A...1G. Gaia EDR3 record for this source at VizieR.
- ↑ 3.0 3.1 3.2 Corben, P. M.; Stoy, R. H. (1968), "Photoelectric Magnitudes and Colours for Bright Southern Stars", Monthly Notes of the Astronomical Society of Southern Africa 27: 11, Bibcode: 1968MNSSA..27...11C.
- ↑ 4.0 4.1 Houk, Nancy (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, 2, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode: 1978mcts.book.....H.
- ↑ Samus, N. N. et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S 1. Bibcode: 2009yCat....102025S.
- ↑ Kervella, Pierre; Arenou, Frédéric; Thévenin, Frédéric (2022). "Stellar and substellar companions from Gaia EDR3". Astronomy & Astrophysics 657: A7. doi:10.1051/0004-6361/202142146. Bibcode: 2022A&A...657A...7K.
- ↑ 7.0 7.1 Stassun K.G. (October 2019). "The revised TESS Input Catalog and Candidate Target List". The Astronomical Journal 158 (4): 138. doi:10.3847/1538-3881/ab3467. Bibcode: 2019AJ....158..138S.
- ↑ Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G. Gaia DR2 record for this source at VizieR.
- ↑ "V854 Ara -- Pulsating variable Star", SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+155035, retrieved 2012-08-03.
- ↑ Adelman, S. J. (October 2000), "On the Variability of K5-M Stars", Information Bulletin on Variable Stars 4959 (1): 1, Bibcode: 2000IBVS.4959....1A.
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