Astronomy:HD 61563
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Short description: Binary star in the constellation of Canis Minor
280px HD 61563 is the brightest star to the left (east) of Procyon in this image. | |
| Observation data {{#ifeq:|J2000.0 (ICRS)|Epoch J2000.0 Equinox J2000.0 (ICRS)| Epoch [[Astronomy:Equinox (celestial coordinates)|Equinox }} | |
|---|---|
| Constellation | Canis Minor[1] |
| A | |
| Right ascension | +07h 40m 06.9950s[2] |
| Declination | +05° 13′ 52.243″[2] |
| Apparent magnitude (V) | 6.33[3] |
| B | |
| Right ascension | +07h 40m 07.0011s[4] |
| Declination | +05° 13′ 51.355″[4] |
| Apparent magnitude (V) | 6.96[3] |
| Characteristics | |
| Spectral type | A0IV + A0IV[5] |
| Astrometry | |
| A | |
| Radial velocity (Rv) | 17[6] km/s |
| Proper motion (μ) | RA: −2.026[2] mas/yr Dec.: −18.518[2] mas/yr |
| Parallax (π) | 4.8912 ± 0.1480[2] mas |
| Distance | 670 ± 20 ly (204 ± 6 pc) |
| B | |
| Proper motion (μ) | RA: −3.162[4] mas/yr Dec.: −16.548[4] mas/yr |
| Parallax (π) | 2.3276 ± 0.3673[4] mas |
| Distance | approx. 1,400 ly (approx. 430 pc) |
| Orbit[7] | |
| Period (P) | 1,516 yr |
| Semi-major axis (a) | 2.792″ |
| Eccentricity (e) | 0.917 |
| Inclination (i) | 67.3° |
| Details | |
| A | |
| Radius | 5.9[8] R☉ |
| Luminosity | 72[8] L☉ |
| Temperature | 10,100[9] K |
| B | |
| Mass | 2.4[10] M☉ |
| Radius | 2.4[10] R☉ |
| Luminosity | 41[10] L☉ |
| Surface gravity (log g) | 4.08[10] cgs |
| Temperature | 9,517[10] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| A | |
| B | |
HD 61563 is a binary star in the constellation of Canis Minor consisting of two A-type stars with both spectral types A0IV, and the combined apparent magnitude is 6.02, barely visible to the naked eye.[6]
References
- ↑ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific 99 (617): 695. doi:10.1086/132034. Bibcode: 1987PASP...99..695R Constellation record for this object at VizieR.
- ↑ 2.0 2.1 2.2 2.3 2.4 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 Gaia DR3 record for this source at VizieR.
- ↑ 3.0 3.1 Kharchenko, N. V. (2001). "All-sky compiled catalogue of 2.5 million stars". Kinematika I Fizika Nebesnykh Tel 17 (5): 409. Bibcode: 2001KFNT...17..409K.
- ↑ 4.0 4.1 4.2 4.3 4.4 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.
- ↑ Abt, Helmut A.; Morrell, Nidia I. (1995). "The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars". Astrophysical Journal Supplement 99: 135. doi:10.1086/192182. Bibcode: 1995ApJS...99..135A.
- ↑ 6.0 6.1 Hoffleit, D.; Warren, W. H. (1995). "VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR On-line Data Catalog: V/50. Originally Published in: 1964BS....C......0H 5050. Bibcode: 1995yCat.5050....0H.
- ↑ Izmailov, I. S. (2019). "The Orbits of 451 Wide Visual Double Stars". Astronomy Letters 45 (1): 30. doi:10.1134/S106377371901002X. Bibcode: 2019AstL...45...30I.
- ↑ 8.0 8.1 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.
- ↑ Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P. et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics 355. Bibcode: 2000A&A...355L..27H.
- ↑ 10.0 10.1 10.2 10.3 10.4 Stassun, Keivan G. et al. (September 2018). "The TESS Input Catalog and Candidate Target List". The Astronomical Journal 156 (3): 102. doi:10.3847/1538-3881/aad050. ISSN 0004-6256. Bibcode: 2018AJ....156..102S.
- ↑ "HD 61563". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+61563.
