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{{Starbox begin
{{Starbox begin
| name = CG Andromedae
| name = HD 224801
}}
}}
{{Starbox observe
{{Starbox observe
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| ra = {{RA|00|00|43.63}}<ref name="van Leeuwen2007"/>
| ra = {{RA|00|00|43.63}}<ref name="van Leeuwen2007"/>
| dec = {{DEC|+45|15|12.0}}<ref name="van Leeuwen2007"/>
| dec = {{DEC|+45|15|12.0}}<ref name="van Leeuwen2007"/>
| appmag_v = 6.38
| appmag_v = 6.35<ref name="SIMBAD"/>
}}
}}
{{Starbox character
{{Starbox character
| class = A0Vp
| class = B9p...<ref name="SIMBAD"/>
| b-v = -0.05
| b-v = -0.05<ref name="SIMBAD"/>
| u-b = -0.33
| u-b =
| variable = [[Alpha² Canum Venaticorum variable|Alpha² CVn variable]]
| variable = [[Alpha² Canum Venaticorum variable|Alpha² CVn variable]]
}}
}}
{{Starbox astrometry
{{Starbox astrometry
| radial_v = -1.00 ± 2.2<ref name="Gontcharov">{{cite doi|10.1134/S1063773706110065}}</ref>
| radial_v = -3
| prop_mo_ra = 17.45 ± 0.22<ref name="van Leeuwen2007"/>
| prop_mo_ra = 17.45 ± 0.22<ref name="van Leeuwen2007"/>
| prop_mo_dec = -0.01 ± 0.21<ref name="van Leeuwen2007"/>
| prop_mo_dec = -0.01 ± 0.21<ref name="van Leeuwen2007"/>
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| absmag_v = 6.42
| absmag_v = 6.42
}}
}}
{{Starbox detail
<!--needs sources{{Starbox detail
| mass = 3.1
| mass = 3.1
| radius = 2.1
| radius = 2.1
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| rotation =
| rotation =
| age =
| age =
}}
}}-->
{{Starbox catalog
{{Starbox catalog
| names = [[Henry Draper Catalogue|HD]] 224801, [[Hipparcos#Published catalogues|HIP]] 63, [[Bright Star Catalogue|HR]] 8090, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 53568, [[Durchmusterung|BD]] +44° 4538.
| names = CG Andromedae, [[Hipparcos#Published catalogues|HIP]] 63, [[Bright Star Catalogue|HR]] 8090, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 53568, [[Durchmusterung|BD]] +44° 4538.
}}
}}
{{Starbox reference
{{Starbox reference
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{{Starbox end}}
{{Starbox end}}


'''HD 224801''', also known as '''CG Andromedae''', is a [[Alpha2 Canum Venaticorum variable]] [[star]] in the constellation [[Andromeda (constellation)|Andromeda]].<ref name="AAVSO">{{cite web|url=http://www.aavso.org/vsx/index.php?view=detail.top&oid=108 |title=CG Andromedae|author=VSX|date=4 January 2010|work=AAVSO Website|publisher=American Association of Variable Star Observers|accessdate=9 October 2014}}</ref> Located approximately {{convert|188|pc|ly}} away, the star varies between [[apparent magnitude]]s 6.32 and 6.42 over a period of approximately 3.74 days.<ref name="AAVSO"/>
'''CG Andromedae''' is a variable star.


==References==
==References==
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<ref name="van Leeuwen2007">{{cite journal | title=Validation of the new Hipparcos reduction | url=http://www.aanda.org/index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2007A%2526A...474..653VFUL | last1=van Leeuwen | first1=F. | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | year=2007 | arxiv=0708.1752 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 }} [http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=63 Vizier catalog entry ] </ref>
<ref name="van Leeuwen2007">{{cite journal | title=Validation of the new Hipparcos reduction | url=http://www.aanda.org/index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2007A%2526A...474..653VFUL | last1=van Leeuwen | first1=F. | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | year=2007 | arxiv=0708.1752 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 }} [http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=63 Vizier catalog entry ] </ref>

<ref name="SIMBAD">{{cite web |url =http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+224801&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id |title = CG Andromedae|work = SIMBAD Astronomical Database|publisher=Centre de Données astronomiques de Strasbourg |accessdate = 9 October 2014}}</ref>


}}
}}

* [http://aladin.u-strasbg.fr/AladinPreview?-c=00+00+43.6343%2B45+15+12.001&ident=V*+CG+And&submit=Aladin+previewer Image CG Andromedae]


{{Stars of Andromeda}}
{{Stars of Andromeda}}
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[[Category:Andromeda (constellation)]]
[[Category:Andromeda (constellation)]]
[[Category:Alpha2 Canum Venaticorum variables]]
[[Category:Alpha2 Canum Venaticorum variables]]
[[Category:Henry Draper Catalogue objects]]
[[Category:Henry Draper Catalogue objects|224801]]
[[Category:Objects named with variable star designations|Andromedae]]
[[Category:Objects named with variable star designations|Andromedae, CG]]
[[Category:A-type main-sequence stars]]
[[Category:B-type stars]]
[[Category:HR objects|8090]]
[[Category:HR objects|8090]]


Revision as of 00:26, 10 October 2014

HD 224801
Observation data
Epoch J2000      Equinox J2000
Constellation Andromeda
Right ascension 00h 00m 43.63s[1]
Declination +45° 15′ 12.0″[1]
Apparent magnitude (V) 6.35[2]
Characteristics
Spectral type B9p...[2]
B−V color index -0.05[2]
Variable type Alpha² CVn variable
Astrometry
Radial velocity (Rv)-1.00 ± 2.2[3] km/s
Proper motion (μ) RA: 17.45 ± 0.22[1] mas/yr
Dec.: -0.01 ± 0.21[1] mas/yr
Parallax (π)5.32 ± 0.32 mas[1]
Distance610 ± 40 ly
(190 ± 10 pc)
Absolute magnitude (MV)6.42
Other designations
CG Andromedae, HIP 63, HR 8090, SAO 53568, BD +44° 4538.
Database references
SIMBADdata

HD 224801, also known as CG Andromedae, is a Alpha2 Canum Venaticorum variable star in the constellation Andromeda.[4] Located approximately 188 parsecs (610 ly) away, the star varies between apparent magnitudes 6.32 and 6.42 over a period of approximately 3.74 days.[4]

References

  1. ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ^ a b c "CG Andromedae". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 9 October 2014.
  3. ^ Attention: This template ({{cite doi}}) is deprecated. To cite the publication identified by doi:10.1134/S1063773706110065, please use {{cite journal}} (if it was published in a bona fide academic journal, otherwise {{cite report}} with |doi=10.1134/S1063773706110065 instead.
  4. ^ a b VSX (4 January 2010). "CG Andromedae". AAVSO Website. American Association of Variable Star Observers. Retrieved 9 October 2014.
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