HD 24480

HD 24480
Observation data; Epoch J2000 Equinox J2000
Constellation	Camelopardalis
Right ascension	03h 57m 08.2886s
Declination	+61° 06′ 31.995″
Apparent magnitude (V)	5.05
Characteristics
Spectral type	K4III
U−B color index	+1.18
B−V color index	+1.42
Astrometry
Radial velocity (Rv)	−4.20±0.20 km/s
Proper motion (μ)	RA: −2.117(96) mas/yr ; Dec.: −12.858(99) mas/yr
Parallax (π)	3.1699±0.1037 mas
Distance	1,030 ± 30 ly ; (320 ± 10 pc)
Details
Mass	1.8 M☉
Radius	87 R☉
Luminosity	2,170 L☉
Surface gravity (log g)	1.75 cgs
Temperature	4,205 K
Metallicity [Fe/H]	−0.02 dex
Other designations
	BD+60°768, HD 24480, HIP 18488A, HR 1205, SAO 12968
Database references
SIMBAD	data

HD 24480 is a cool giant star in the northern constellation of Camelopardalis. It has a stellar classification of K4III and an apparent magnitude of 5.05.

The nearby HD 24481 is at a similar distance and shares a common proper motion. It is a hotter, A-^[4] or B-type star and a suspected spectroscopic binary system.^[9] It is 1.71 arcseconds away from HD 24480.^[10]

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.
^ Fabricius, C.; Høg, E.; Makarov, V. V.; Mason, B. D.; Wycoff, G. L.; Urban, S. E. (2002). "The Tycho double star catalogue". Astronomy and Astrophysics. 384: 180. Bibcode:2002A&A...384..180F. doi:10.1051/0004-6361:20011822.
^ ^a ^b Abt, Helmut A. (2008). "Visual Multiples. IX. MK Spectral Types". The Astrophysical Journal Supplement Series. 176 (1): 216–217. Bibcode:2008ApJS..176..216A. doi:10.1086/525529.
^ ^a ^b Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. SIMBAD. Bibcode:1986EgUBV........0M.
^ ^a ^b ^c ^d Khalatyan, A.; Anders, F.; Chiappini, C.; Queiroz, A. B. A.; Nepal, S.; Dal Ponte, M.; Jordi, C.; Guiglion, G.; Valentini, M.; Torralba Elipe, G.; Steinmetz, M.; Pantaleoni-González, M.; Malhotra, S.; Jiménez-Arranz, Ó.; Enke, H.; Casamiquela, L.; Ardèvol, J. (2024). "Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost". Astronomy and Astrophysics. 691: A98. arXiv:2407.06963. Bibcode:2024A&A...691A..98K. doi:10.1051/0004-6361/202451427.
^ ^a ^b Fetherolf, Tara; Pepper, Joshua; Simpson, Emilie; Kane, Stephen R.; Močnik, Teo; English, John Edward; Antoci, Victoria; Huber, Daniel; Jenkins, Jon M.; Stassun, Keivan; Twicken, Joseph D.; Vanderspek, Roland; Winn, Joshua N. (2023). "Variability Catalog of Stars Observed during the TESS Prime Mission". The Astrophysical Journal Supplement Series. 268 (1): 4. arXiv:2208.11721. Bibcode:2023ApJS..268....4F. doi:10.3847/1538-4365/acdee5.
^ "HD 24480". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-01-25.
^ Parsons, Sidney B. (May 2004). "New and Confirmed Triple Systems with Luminous Cool Primaries and Hot Companions". The Astronomical Journal. 127 (5): 2915–2930. Bibcode:2004AJ....127.2915P. doi:10.1086/383546.
^ Eggleton, P. P.; Tokovinin, A. A. (September 2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869–879. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x. S2CID 14878976.

External links

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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.

[Gaia_DR3-2] 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.

[tycho-3] Fabricius, C.; Høg, E.; Makarov, V. V.; Mason, B. D.; Wycoff, G. L.; Urban, S. E. (2002). "The Tycho double star catalogue". Astronomy and Astrophysics. 384: 180. Bibcode:2002A&A...384..180F. doi:10.1051/0004-6361:20011822.

[Abt2008-4] Abt, Helmut A. (2008). "Visual Multiples. IX. MK Spectral Types". The Astrophysical Journal Supplement Series. 176 (1): 216–217. Bibcode:2008ApJS..176..216A. doi:10.1086/525529.

[MERMILLIOD-5] Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. SIMBAD. Bibcode:1986EgUBV........0M.

[khalatyan2024-6] Khalatyan, A.; Anders, F.; Chiappini, C.; Queiroz, A. B. A.; Nepal, S.; Dal Ponte, M.; Jordi, C.; Guiglion, G.; Valentini, M.; Torralba Elipe, G.; Steinmetz, M.; Pantaleoni-González, M.; Malhotra, S.; Jiménez-Arranz, Ó.; Enke, H.; Casamiquela, L.; Ardèvol, J. (2024). "Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost". Astronomy and Astrophysics. 691: A98. arXiv:2407.06963. Bibcode:2024A&A...691A..98K. doi:10.1051/0004-6361/202451427.

[fetherolf2023-7] Fetherolf, Tara; Pepper, Joshua; Simpson, Emilie; Kane, Stephen R.; Močnik, Teo; English, John Edward; Antoci, Victoria; Huber, Daniel; Jenkins, Jon M.; Stassun, Keivan; Twicken, Joseph D.; Vanderspek, Roland; Winn, Joshua N. (2023). "Variability Catalog of Stars Observed during the TESS Prime Mission". The Astrophysical Journal Supplement Series. 268 (1): 4. arXiv:2208.11721. Bibcode:2023ApJS..268....4F. doi:10.3847/1538-4365/acdee5.

[SIMBAD-8] "HD 24480". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-01-25.

[Parsons2004-9] Parsons, Sidney B. (May 2004). "New and Confirmed Triple Systems with Luminous Cool Primaries and Hot Companions". The Astronomical Journal. 127 (5): 2915–2930. Bibcode:2004AJ....127.2915P. doi:10.1086/383546.

[mnras389_2_869-10] Eggleton, P. P.; Tokovinin, A. A. (September 2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869–879. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x. S2CID 14878976.

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Observation data Epoch J2000 Equinox J2000
Constellation	Camelopardalis^[1]
Right ascension	03^h 57^m 08.2886^s^[2]
Declination	+61° 06′ 31.995″^[2]
Apparent magnitude (V)	5.05^[3]
Characteristics
Spectral type	K4III^[4]
U−B color index	+1.18^[5]
B−V color index	+1.42^[5]
Astrometry

Radial velocity (R_v)	−4.20±0.20^[2] km/s
Proper motion (μ)	RA: −2.117(96) mas/yr^[2] Dec.: −12.858(99) mas/yr^[2]
Parallax (π)	3.1699±0.1037 mas^[2]
Distance	1,030 ± 30 ly (320 ± 10 pc)

Details

Mass	1.8^[6] `M`_☉
Radius	87^[7] `R`_☉
Luminosity	2,170^[7] `L`_☉
Surface gravity (log g)	1.75^[6] cgs
Temperature	4,205^[6] K
Metallicity [Fe/H]	−0.02^[6] dex

Other designations
BD+60°768, HD 24480, HIP 18488A, HR 1205, SAO 12968^[8]
Database references
SIMBAD	data