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{{Short description|Multiple star systemin the constellation Camelopardalis}}
{{Starbox begin
{{Starbox begin}}
| name=HD 24480
}}
{{Starbox observe
{{Starbox observe
| epoch=J2000
| epoch = J2000
⚫
| constell = [[Camelopardalis (constellation)|Camelopardalis]]
| ra={{RA|03|57|08.28867}}<ref name="van Leeuwen2007"/>
| dec={{DEC|+61|06|31.9852}}<ref name="van Leeuwen2007"/>
| ra = {{RA|03|57|08.2886}}<ref name="Gaia DR3"/>
| appmag_v=4.98<ref name="MERMILLIOD"/> {{nowrap|(5.20 + 8.08)}}<ref name=mnras389_2_869/>
| dec = {{DEC|+61|06|31.9947}}<ref name="Gaia DR3"/>
| appmag_v = 4.98<ref name="MERMILLIOD"/> {{nowrap|(5.20 + 8.08)}}<ref name=mnras389_2_869/>
⚫
| constell=[[Camelopardalis (constellation)|Camelopardalis]]
}}
}}
{{Starbox character
{{Starbox character
| class = {{nowrap|K4III + A}}<ref name=Abt2008/>
| class={{nowrap|K4III + A}}<ref name=abt>{{cite journal|bibcode=2008ApJS..176..216A|title=Visual Multiples. IX. MK Spectral Types|journal=The Astrophysical Journal Supplement Series|volume=176|pages=216–217|author1=Abt|first1=Helmut A.|year=2008|doi=10.1086/525529}}</ref>
⚫
| b-v = +1.42<ref name="MERMILLIOD"/>
| r-i =
⚫
| u-b = +1.18<ref name="MERMILLIOD"/>
| v-r =
⚫
| variable =
⚫
| b-v = +1.42<ref name="MERMILLIOD"/>
⚫
| u-b = +1.18<ref name="MERMILLIOD"/>
⚫
| variable=
}}
}}
{{Starbox astrometry
{{Starbox astrometry
| radial_v=-2.4<ref name=gcrv1953/>
| radial_v = {{val|−4.20|(20)}}<ref name="Gaia DR3"/>
| prop_mo_ra=-3.25<ref name="van Leeuwen2007"/>
| prop_mo_ra = {{val|−2.117|(96)}}
| prop_mo_dec=-13.28<ref name="van Leeuwen2007"/>
| prop_mo_dec = {{val|−12.858|(99)}}
| pm_footnote = <ref name="Gaia DR3"/>
| parallax=2.23
| p_error=0.50
| parallax = 3.1699
| p_error = 0.1037
| parallax_footnote=<ref name="van Leeuwen2007"/>
| parallax_footnote = <ref name="Gaia DR3"/>
| absmag_v=
| absmag_v =
}}
}}
{{Starbox detail
{{Starbox detail
| mass=
| component1 = A
| radius=
| mass =
| luminosity=4,105<ref name=Mcdonald2012/>
| radius = 90<ref name=Messineo_Brown_2019/>
| temperature=4,230<ref name=Mcdonald2012/>
| luminosity = 1,854 – 1,888<ref name=Messineo_Brown_2019/>
| temperature = {{val|3986|170|fmt=commas}}<ref name=Messineo_Brown_2019/>
| metal=
| gravity=
| metal_fe =
| rotation=
| gravity =
| rotational_velocity =
| age=
| age_myr =
}}
}}
{{Starbox catalog
{{Starbox catalog
| names=[[Bonner Durchmusterung|BD]]+60° 768, [[Henry Draper Catalogue|HD]] 24480, [[Hipparcos Catalogue|HIP]] 18488, [[Bright Star Catalogue|HR]] 1205, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 12968.
| names = {{odlist | BD=+60°768 | HD=24480 | HIP=18488 | HR=1205 | ULRA 1609| SAO=12968 }}<ref name=SIMBAD/>
}}
}}
{{Starbox reference
{{Starbox reference
Line 43: Line 42:
}}
}}
{{Starbox end}}
{{Starbox end}}

'''HD 24480''' is a [[double star]] in the northern [[constellation]] of [[Camelopardalis]]. The brighter component is a [[giant star]] with a [[stellar classification]] of K4III and an [[apparent magnitude]] of 5.20.<ref name=mnras389_2_869/> The pair have an [[angular separation]] of 1.71[[arc second|″]].<ref name=mnras389_2_869/>
'''HD 24480''' is a multiple<ref name=Parsons2004/> [[star]] system in the northern [[constellation]] of [[Camelopardalis]]. The brighter component is a [[giant star]] with a [[stellar classification]] of K4III and an [[apparent magnitude]] of 5.20.<ref name=mnras389_2_869/> The companion is a hotter, [[A-type star|A-]]<ref name=Abt2008/> or [[B-type star]] that is a suspected [[spectroscopic binary]] system.<ref name=Parsons2004/> The visible pair have an [[angular separation]] of {{val|1.71|ul=arcseconds}}.<ref name=mnras389_2_869/>


==References==
==References==
{{reflist|refs=
{{reflist|refs=


<ref name="van Leeuwen2007">{{citation
<ref name=SIMBAD>{{cite simbad
| title=HD 24480 | access-date=2021-01-25 | postscript=. }}</ref>
| last1=van Leeuwen | first1=F.
| title=Validation of the new Hipparcos reduction
| journal=Astronomy and Astrophysics
⚫
| volume=474 | issue=2 | pages=653–664 | date=2007
⚫
| arxiv=0708.1752 | bibcode=2007A&A...474..653V
| doi=10.1051/0004-6361:20078357
}}</ref>


<ref name=gcrv1953>{{citation
<ref name="Gaia DR3">{{Cite Gaia DR3|474610073947130368}}</ref>
⚫
| last=Wilson | first=R. E. | year=1953
| title=General Catalogue of Stellar Radial Velocities
| journal=Washington | publisher=Carnegie Institute of Washington, D.C.
| bibcode=1953GCRV..C......0W
}}</ref>


<ref name="MERMILLIOD">{{citation
<ref name=Abt2008>{{cite journal
| title=Visual Multiples. IX. MK Spectral Types
⚫
| last=Abt | first=Helmut A.
| journal=The Astrophysical Journal Supplement Series
| volume=176 | pages=216–217 | year=2008
| issue=1 | doi=10.1086/525529 | doi-access=free
| bibcode=2008ApJS..176..216A }}</ref>

<ref name=Messineo_Brown_2019>{{cite journal
| title=A Catalog of Known Galactic K-M Stars of Class I Candidate Red Supergiants in Gaia DR2
| last1=Messineo | first1=M. | last2=Brown | first2=A. G. A.
⚫
| journal=The Astronomical Journal
| volume=158 | page=20 | year=2019
⚫
| issue=1 | arxiv=1905.03744 | bibcode=2019AJ....158...20M
| doi=10.3847/1538-3881/ab1cbd | s2cid=148571616 | doi-access=free }}</ref>

<ref name=Parsons2004>{{cite journal
| title=New and Confirmed Triple Systems with Luminous Cool Primaries and Hot Companions
| last=Parsons | first=Sidney B.
| journal=The Astronomical Journal
⚫
| volume=127 | issue=5 | pages=2915–2930 | date=May 2004
| doi=10.1086/383546 | bibcode=2004AJ....127.2915P | doi-access=free }}</ref>

<ref name="MERMILLIOD">{{cite journal
| last1=Mermilliod | first1=J.-C.
| last1=Mermilliod | first1=J.-C.
| title=Compilation of Eggen's UBV data, transformed to UBV (unpublished)
| title=Compilation of Eggen's UBV data, transformed to UBV (unpublished)
| journal=Catalogue of Eggen's UBV Data. SIMBAD
| journal=Catalogue of Eggen's UBV Data. SIMBAD
| date=1986 | bibcode=1986EgUBV........0M
| date=1986 | bibcode=1986EgUBV........0M }}</ref>
}}</ref>


<ref name=mnras389_2_869>{{citation
<ref name=mnras389_2_869>{{cite journal
| last1=Eggleton | first1=P. P.
| last1=Eggleton | first1=P. P. | last2=Tokovinin | first2=A. A.
| last2=Tokovinin | first2=A. A.
| title=A catalogue of multiplicity among bright stellar systems
| title=A catalogue of multiplicity among bright stellar systems
| journal=[[Monthly Notices of the Royal Astronomical Society]]
| journal=[[Monthly Notices of the Royal Astronomical Society]]
| volume=389 | issue=2 | pages=869–879 | date=September 2008
| volume=389 | issue=2 | pages=869–879 | date=September 2008
⚫
| bibcode=2008MNRAS.389..869E | arxiv=0806.2878
| doi=10.1111/j.1365-2966.2008.13596.x
| doi=10.1111/j.1365-2966.2008.13596.x | s2cid=14878976 }}</ref>
⚫
| bibcode=2008MNRAS.389..869E
| arxiv=0806.2878
}}</ref>

<ref name=Mcdonald2012>{{citation
| display-authors=1
| last1=McDonald | first1=I.
| last2=Zijlstra | first2=A. A
| last3=Boyer | first3=M. L.
| title=Fundamental Parameters and Infrared Excesses of Hipparcos Stars
⚫
| journal=Monthly Notices of the Royal Astronomical Society
⚫
| volume=427 | issue=1 | pages=343–57 | date=2012
| bibcode=2012MNRAS.427..343M
| arxiv = 1208.2037
| doi = 10.1111/j.1365-2966.2012.21873.x
}}</ref>


}}
}}
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{{Stars of Camelopardalis}}
{{Stars of Camelopardalis}}


{{DEFAULTSORT:HD 24480}}
⚫
[[Category:Camelopardalis (constellation)]]
⚫
[[Category:Henry Draper Catalogue objects|024480]]
[[Category:Double stars]]
⚫
[[Category:Hipparcos objects|018488]]
[[Category:K-type giants]]
[[Category:K-type giants]]
[[Category:HR objects|1205]]
[[Category:Double stars]]
⚫
[[Category:Camelopardalis]]
[[Category:Durchmusterung objects]]
[[Category:Durchmusterung objects]]
⚫
[[Category:Henry Draper Catalogue objects|024480]]
⚫
[[Category:Hipparcos objects|018488]]
[[Category:Bright Star Catalogue objects|1205]]




Revision as of 07:41, 28 June 2024

HD 24480
Observation data
Epoch J2000      Equinox J2000
Constellation Camelopardalis
Right ascension 03h 57m 08.2886s[1]
Declination +61° 06′ 31.9947″[1]
Apparent magnitude (V) 4.98[2] (5.20 + 8.08)[3]
Characteristics
Spectral type K4III + A[4]
U−B color index +1.18[2]
B−V color index +1.42[2]
Astrometry
Radial velocity (Rv)−4.20(20)[1] km/s
Proper motion (μ) RA: −2.117(96) mas/yr[1]
Dec.: −12.858(99) mas/yr[1]
Parallax (π)3.1699 ± 0.1037 mas[1]
Distance1,030 ± 30 ly
(320 ± 10 pc)
Details
A
Radius90[5] R☉
Luminosity1,854 – 1,888[5] L☉
Temperature3,986±170[5] K
Other designations
BD+60°768, HD 24480, HIP 18488, HR 1205, SAO 12968[6]
Database references
SIMBADdata

HD 24480 is a multiple[7] star system in the northern constellation of Camelopardalis. The brighter component is a giant star with a stellar classification of K4III and an apparent magnitude of 5.20.[3] The companion is a hotter, A-[4] or B-type star that is a suspected spectroscopic binary system.[7] The visible pair have an angular separation of 1.71 arcseconds.[3]

References

  1. ^ 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.
  2. ^ a b c Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. SIMBAD. Bibcode:1986EgUBV........0M.
  3. ^ a b c 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.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  4. ^ 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.
  5. ^ a b c Messineo, M.; Brown, A. G. A. (2019). "A Catalog of Known Galactic K-M Stars of Class I Candidate Red Supergiants in Gaia DR2". The Astronomical Journal. 158 (1): 20. arXiv:1905.03744. Bibcode:2019AJ....158...20M. doi:10.3847/1538-3881/ab1cbd. S2CID 148571616.
  6. ^ "HD 24480". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-01-25.{{cite web}}: CS1 maint: postscript (link)
  7. ^ a b 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.


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