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
	A
Right ascension	+07h 40m 06.9950s
Declination	+05° 13′ 52.243″
Apparent magnitude (V)	6.33
	B
Right ascension	+07h 40m 07.0011s
Declination	+05° 13′ 51.355″
Apparent magnitude (V)	6.96
Characteristics
Spectral type	A0IV + A0IV
Astrometry
A
Radial velocity (Rv)	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)
B
Proper motion (μ)	RA: −3.162 mas/yr ; Dec.: −16.548 mas/yr
Parallax (π)	2.3276 ± 0.3673 mas
Distance	approx. 1,400 ly ; (approx. 430 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☉
Temperature	10,100 K
B
Mass	2.4 M☉
Radius	2.4 R☉
Luminosity	41 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.^[6]

References

^ 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.
^ ^a ^b ^c ^d ^e 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.
^ ^a ^b 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.
^ ^a ^b ^c ^d ^e 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.
^ 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.
^ ^a ^b 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. Bibcode:2019AstL...45...30I. doi:10.1134/S106377371901002X. S2CID 149618866.
^ ^a ^b 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.
^ 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.
^ ^a ^b ^c ^d ^e 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-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.

[dr3a-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.

[kharchenko2009-3] 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.

[dr2b-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.

[abt1995-5] 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.

[bsc-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.

[izmailov2019-7] 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.

[dr2a-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.

[tycho2-9] 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.

[tic-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.

[simbad-11] "HD 61563". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2022-10-03.

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Observation data Epoch Equinox
HD 61563 is the brightest star to the left (east) of Procyon in this image.
Constellation	Canis Minor^[1]
A
Right ascension	+07^h 40^m 06.9950^s^[2]
Declination	+05° 13′ 52.243″^[2]
Apparent magnitude (V)	6.33^[3]
B
Right ascension	+07^h 40^m 07.0011^s^[4]
Declination	+05° 13′ 51.355″^[4]
Apparent magnitude (V)	6.96^[3]
Characteristics
Spectral type	A0IV + A0IV^[5]
Astrometry
A
Radial velocity (R_v)	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