HD 61563

HD 61563

HD 61563 is the brightest star to the left (east) of Procyon in this image.
Observation data Epoch        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  mas [2]
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  mas [4]
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
BD+05°1742, HD 61563, HR 2950, SAO 115773, WDS J07401+0514 [11]
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

1. Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific . 99 (617): 695. Bibcode:1987PASP...99..695R. doi: 10.1086/132034 . Constellation record for this object at VizieR.
2. Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv: 2208.00211 . Bibcode:2023A&A...674A...1G. doi: 10.1051/0004-6361/202243940 . S2CID   244398875. Gaia DR3 record for this source at VizieR.
3. 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. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics . 616. A1. arXiv: 1804.09365 . Bibcode: 2018A&A...616A...1G . doi: 10.1051/0004-6361/201833051 . Gaia DR2 record for this source at VizieR.
5. Abt, Helmut A.; Morrell, Nidia I. (1995). "The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars". Astrophysical Journal Supplement. 99: 135. Bibcode:1995ApJS...99..135A. doi: 10.1086/192182 .
6. 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.
7. Izmailov, I. S. (2019). "The Orbits of 451 Wide Visual Double Stars". Astronomy Letters. 45 (1): 30. Bibcode:2019AstL...45...30I. doi:10.1134/S106377371901002X. S2CID   149618866.
8. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics . 616. A1. arXiv: 1804.09365 . Bibcode: 2018A&A...616A...1G . doi: 10.1051/0004-6361/201833051 . Gaia DR2 record for this source at VizieR.
9. Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355. Bibcode:2000A&A...355L..27H.
10. Stassun, Keivan G.; et al. (September 2018). "The TESS Input Catalog and Candidate Target List". The Astronomical Journal. 156 (3): 102. arXiv: 1706.00495 . Bibcode:2018AJ....156..102S. doi: 10.3847/1538-3881/aad050 . ISSN   0004-6256.
11. "HD 61563". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2022-10-03.