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| | | image = | | | image = |
| | | designation =Pi And<br/>π Andromedae<br/>29 Andromedae | | | designation =Pi And<br/>π Andromedae<br/>29 Andromedae |
| − | | rightascension =00<sup>h</sup> 36<sup>m</sup> 52.8492<sup>s</sup><ref name=simbad>{{cite web|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Pi+Andromedae|title=Pi Andromedae|accessdate= , 2020|work=Simbad Astronomical Database|publisher=simbad.u-strasbg.fr}}</ref><ref name=hip>{{cite journal | + | | rightascension =00<sup>h</sup> 36<sup>m</sup> 52.8492<sup>s</sup><ref name=simbad>{{cite web|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Pi+Andromedae|title=Pi Andromedae|accessdate=June 19, 2020|work=Simbad Astronomical Database|publisher=simbad.u-strasbg.fr}}</ref><ref name=hip>{{cite journal |
| | |last1=van Leeuwen |first1=F. | | |last1=van Leeuwen |first1=F. |
| | |title=Validation of the new Hipparcos reduction | | |title=Validation of the new Hipparcos reduction |
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| | }} {{arXiv|0708.1752}}</ref> | | }} {{arXiv|0708.1752}}</ref> |
| | | declination =+33° 43′ 09.6383″<ref name=simbad/><ref name=hip/> | | | declination =+33° 43′ 09.6383″<ref name=simbad/><ref name=hip/> |
| − | | distance =598.46 ly<ref name=universeguide>{{cite web|url=https://www.universeguide.com/star/2912/piandromedae|title=Pi Andromedae (29 Andromedae) Star Facts|accessdate= , 2020|publisher=universeguide.com}}</ref> | + | | distance =598.46 ly<ref name=universeguide>{{cite web|url=https://www.universeguide.com/star/2912/piandromedae|title=Pi Andromedae (29 Andromedae) Star Facts|accessdate=June 19, 2020|publisher=universeguide.com}}</ref> |
| | | constellation =Andromeda | | | constellation =Andromeda |
| | | type =Binary star|Multiple star | | | type =Binary star|Multiple star |
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| | | parallax =5.45 ± 0.31 mas<ref name=simbad/><ref name=hip/> | | | parallax =5.45 ± 0.31 mas<ref name=simbad/><ref name=hip/> |
| | }} | | }} |
| − | Pi Andromedae (Pi And, π Andromedae, 29 Andromedae) is a [[binary star|multiple star system]] in the [[constellation]] of [[Andromeda]].<ref name=constellation-guide>{{cite web|url=https://www.constellation-guide.com/constellation-list/andromeda-constellation/|title=Andromeda Constellation|accessdate= , 2020|publisher=constellation-guide.com}}</ref> "Pi Andromedae" is the [[Bayer designation]] of the star, the "Pi" indicating it is one of the dimmer stars in the constellation of Andromeda. The system can be easily observed from the Northern hemisphere where it appears as a star of the fourth magnitude.<ref name=universeguide/> The system is known to contain two stars, though it is thought it may contained four or five.<ref name=illinois>{{cite web|url=http://stars.astro.illinois.edu/sow/piand.html|title=Pi And|accessdate=June 19, 2020|publisher=stars.astro.illinois.edu|author=Jim Kaler|work=Stars|date=December 19, 2008}}</ref> These two main stars were identified through a spectrograph of the system and are thought to be very similar in their properties. | + | Pi Andromedae (Pi And, π Andromedae, 29 Andromedae) is a [[binary star|multiple star system]] in the [[constellation]] of [[Andromeda]].<ref name=constellation-guide>{{cite web|url=https://www.constellation-guide.com/constellation-list/andromeda-constellation/|title=Andromeda Constellation|accessdate=June 19, 2020|publisher=constellation-guide.com}}</ref> "Pi Andromedae" is the [[Bayer designation]] of the star, the "Pi" indicating it is one of the dimmer stars in the constellation of Andromeda. The system can be easily observed from the Northern hemisphere where it appears as a star of the fourth magnitude.<ref name=universeguide/> The system is known to contain two stars, though it is thought it may contained four or five.<ref name=illinois>{{cite web|url=http://stars.astro.illinois.edu/sow/piand.html|title=Pi And|accessdate=June 19, 2020|publisher=stars.astro.illinois.edu|author=Jim Kaler|work=Stars|date=December 19, 2008}}</ref> These two main stars were identified through a spectrograph of the system and are thought to be very similar in their properties. |
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| | ==Properties and Structure== | | ==Properties and Structure== |