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HD 61563

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Binary star in the constellation of Canis Minor

HD 61563
Observation data Epoch Equinox
HD 61563 is the brightest star to the left (east) of Procyon.
Constellation	Canis Minor
Right ascension	+07 40 06.9950
Declination	+05° 13′ 52.243″
Apparent magnitude (V)	6.02 (6.33 + 6.96)
Characteristics
Spectral type	A0IV + A0IV
Astrometry
A
Radial velocity (R_v)	17 km/s
Proper motion (μ)	RA: −2.026 mas/yr Dec.: −18.518 mas/yr
Parallax (π)	4.8912 ± 0.1480 mas
Distance	670 ± 20 ly (204 ± 6 pc)

Orbit
Period (P)	1,516 yr
Semi-major axis (a)	2.792″
Eccentricity (e)	0.917
Inclination (i)	67.3°
Details
A
Radius	5.9 `R`_☉
Luminosity	72 `L`_☉
Surface gravity (log g)	4.08 cgs
Temperature	9,517 K

Other designations
BD+05°1742, HD 61563, HR 2950, SAO 115773, WDS J07401+0514
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.

References

^ 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.
^ 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.
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.
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.
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.
^ 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.
^ 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.
"HD 61563". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2022-10-03.

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Constellation of Canis Minor

Bayer	α (Procyon) β (Gomeisa) γ δ δ δ ε ζ η λ (13 Pup)
Flamsteed	1 6 11 14
Variable	S YZ AZ BC BG BU
HR	2918 2950
Other	Luyten's Star

Exoplanets	Luyten b

NGC	2485 2491
Other	PKS 0736+017

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