Jump to content

32 Pegasi: Difference between revisions

From Wikipedia, the free encyclopedia
Browse history interactively
← Previous editNext edit →
Content deleted Content added
VisualWikitext
No edit summary
expand starbox, add refs | Assisted by Citation bot
Line 1: Line 1:
{{Starbox begin
{{One source|date=January 2016}}
⚫
| name = 32 Pegasi
{{starbox short
⚫
|constell= [[Pegasus (constellation)|Pegasus]]
⚫
|name= 32 Pegasi
|type= B9III <ref name=SIMBAD> SIMBAD, [http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=32+Pegasi&submit=SIMBAD+search 32 Pegasi] (accessed 12 January 2013) </ref>
|ra= {{RA|22|21|19.33935}} <ref name=SIMBAD/>
⚫
|dec= {{DEC|+28|19|49.9027}} <ref name=SIMBAD/>
}}
}}
{{Starbox image
⚫
'''32 Pegasi''' ('''32 Peg''') is a [[star]] in the [[constellation]] [[Pegasus (constellation)|Pegasus]]. Its [[apparent magnitude]] is 4.81.
|image=
{{Location mark
|image=Pegasus constellation map.svg|alt=|float=center|width=280
|label=|position=right
|mark=Red circle.svg|mark_width=10|mark_link=32 Pegasi
|x=582|y=290
}}
|caption=Location of 32 Pegasi (circled)
}}
{{Starbox observe
| epoch = J2000
⚫
| constell = [[Pegasus (constellation)|Pegasus]]
| ra = {{RA|22|21|19.33935}}<ref name=vanLeeuwen2007>{{cite journal | arxiv=0708.1752 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 | title=Validation of the new Hipparcos reduction | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653 | year=2007 | last1=Van Leeuwen | first1=F. }} [http://vizier.u-strasbg.fr/viz-bin/VizieR-S?HIP%20110371 Vizier catalog entry]</ref>
⚫
| dec = {{DEC|28|19|49.9027}}<ref name=vanLeeuwen2007/>
| appmag_v = 4.81<ref name=Ducati2002>{{cite journal |bibcode=2002yCat.2237....0D |title=VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system |journal=CDS/ADC Collection of Electronic Catalogues |volume=2237 |author1=Ducati |first1=J. R. |year=2002 }}</ref>
}}
{{Starbox character
| class = B9III<ref name=Hoffleit1991>{{cite journal | bibcode=1995yCat.5050....0H | title=VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) | journal=VizieR On-line Data Catalog: V/50. Originally published in: 1964BS....C......0H | volume=5050 | author1=Hoffleit | first1=D. | last2=Warren | first2=W. H. | year=1995 }}</ref>
| b-v = +0.00<ref name=Ducati2002/>
| u-b = -0.19<ref name=Ducati2002/>
}}
{{Starbox astrometry
| radial_v = +11.40<ref name=Gontcharov2006>{{Cite journal | doi=10.1134/S1063773706110065 | bibcode=2006AstL...32..759G| title=Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system| journal=Astronomy Letters| volume=32| issue=11| pages=759| year=2006| last1=Gontcharov| first1=G. A.}}</ref>
| prop_mo_ra = +17.78<ref name=vanLeeuwen2007/>
| prop_mo_dec = +5.18<ref name=vanLeeuwen2007/>
| parallax = 4.69
| p_error = 0.62
| parallax_footnote = <ref name=vanLeeuwen2007/>
| absmag_v = -1.82<ref name=XHIP>{{cite journal | bibcode=2012AstL...38..331A | doi=10.1134/S1063773712050015 | arxiv=1108.4971 | title=XHIP: An extended hipparcos compilation | journal=Astronomy Letters | volume=38 | issue=5 | pages=331 | year=2012 | last1=Anderson | first1=E. | last2=Francis | first2=Ch. }} [http://vizier.u-strasbg.fr/viz-bin/VizieR-4?-source=V/137D/XHIP&HIP=110371 Vizier catalog entry]</ref>
}}
{{Starbox detail
| temperature = 11,403<ref name=Paunzen2005>{{cite journal | bibcode=2005A&A...444..941P | doi=10.1051/0004-6361:20053546 | arxiv=astro-ph/0509049| title=An empirical temperature calibration for the Δa photometric system | journal=Astronomy and Astrophysics | volume=444 | issue=3 | pages=941 | year=2005 | last1=Paunzen | first1=E. | last2=Schnell | first2=A. | last3=Maitzen | first3=H. M. }}</ref>
| luminosity = 541<ref name=XHIP/>
| rotational_velocity = 60<ref name=Abt2002>{{cite journal | bibcode=2002ApJ...573..359A | doi=10.1086/340590 | title=Rotational Velocities of B Stars | journal=The Astrophysical Journal | volume=573 | pages=359 | year=2002 | last1=Abt | first1=Helmut A. | last2=Levato | first2=Hugo | last3=Grosso | first3=Monica }}</ref>
}}
{{Starbox catalog
| names = [[Durchmusterung|BD]]+27°4299, [[Catalog of Components of Double and Multiple Stars|CCDM]]&nbsp;J22213+2820AF, [[Boss General catalogue|GC]]&nbsp;31253, [[Hipparcos catalogue|HIP]]&nbsp;110371, [[Harvard Revised catalogue|HR]]&nbsp;8522, [[Henry Draper Catalogue|HD]]&nbsp;212097, [[Smithsonian Astrophysical Observatory catalogue|SAO]]&nbsp;90440, [[Washington Double Star Catalog|WDS]]&nbsp;J22213+2820Aa,Ab
}}
{{Starbox reference
| Simbad = 32+Pegasi
}}
{{Starbox end}}

⚫
'''32 Pegasi''' ('''32 Peg''') is a class B9III<ref name=Hoffleit1991/> (blue giant) [[star]] in the [[constellation]] [[Pegasus (constellation)|Pegasus]]. Its apparent magnitude is 4.81<ref name=Ducati2002/> and it is approximately 700 light years away based on parallax.<ref name=vanLeeuwen2007/>

It is a multiple star; the closest companion is Ab, at separation 0.42" and magnitude 8.86. Other companions include B, at 70.7" separation from the primary and magnitude 10.73, and C, at separation from B of 3.2" and magnitude 12.4, as well as D (separation from A of 42.8" and magnitude 11.9) and E (separation from A of 58.3" and magnitude 11.9).<ref name=WDS>{{cite journal | bibcode=2001AJ....122.3466M | doi=10.1086/323920 | title=The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog | journal=The Astronomical Journal | volume=122 | issue=6 | pages=3466 | year=2001 | last1=Mason | first1=Brian D. | last2=Wycoff | first2=Gary L. | last3=Hartkopf | first3=William I. | last4=Douglass | first4=Geoffrey G. | last5=Worley | first5=Charles E. }} [http://vizier.u-strasbg.fr/viz-bin/VizieR-4?-source=B/wds/wds&WDS=22213%2B2820 Vizier catalog entry]</ref><ref name=Eggleton2008>{{cite journal | bibcode=2008MNRAS.389..869E | doi=10.1111/j.1365-2966.2008.13596.x | arxiv = 0806.2878 | title=A catalogue of multiplicity among bright stellar systems | journal=Monthly Notices of the Royal Astronomical Society | volume=389 | issue=2 | pages=869 | year=2008 | last1=Eggleton | first1=P. P. | last2=Tokovinin | first2=A. A. }} [http://vizier.u-strasbg.fr/viz-bin/VizieR-4?-source=J/MNRAS/389/869/table1&mHR=8522 Vizier catalog entry]</ref>


==References==
==References==
Line 17: Line 58:
[[Category:B-type giants]]
[[Category:B-type giants]]
[[Category:Binary stars]]
[[Category:Binary stars]]
[[Category:Durchmusterung objects|BD+27 4299]]
[[Category:Flamsteed objects|Pegasi, 32]]
[[Category:Flamsteed objects|Pegasi, 32]]
[[Category:Hipparcos objects|110371]]
[[Category:HR objects|8522]]
[[Category:Henry Draper Catalogue objects|212097]]


{{giant-star-stub}}
{{Giant-star-stub}}
{{multi-star-stub}}

Revision as of 09:24, 7 December 2016

32 Pegasi
Location of 32 Pegasi (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Pegasus
Right ascension 22h 21m 19.33935s[1]
Declination 28° 19′ 49.9027″[1]
Apparent magnitude (V) 4.81[2]
Characteristics
Spectral type B9III[3]
U−B color index -0.19[2]
B−V color index +0.00[2]
Astrometry
Radial velocity (Rv)+11.40[4] km/s
Proper motion (μ) RA: +17.78[1] mas/yr
Dec.: +5.18[1] mas/yr
Parallax (π)4.69 ± 0.62 mas[1]
Distanceapprox. 700 ly
(approx. 210 pc)
Absolute magnitude (MV)-1.82[5]
Details
Luminosity541[5] L☉
Temperature11,403[6] K
Rotational velocity (v sin i)60[7] km/s
Other designations
BD+27°4299, CCDM J22213+2820AF, GC 31253, HIP 110371, HR 8522, HD 212097, SAO 90440, WDS J22213+2820Aa,Ab
Database references
SIMBADdata

32 Pegasi (32 Peg) is a class B9III[3] (blue giant) star in the constellation Pegasus. Its apparent magnitude is 4.81[2] and it is approximately 700 light years away based on parallax.[1]

It is a multiple star; the closest companion is Ab, at separation 0.42" and magnitude 8.86. Other companions include B, at 70.7" separation from the primary and magnitude 10.73, and C, at separation from B of 3.2" and magnitude 12.4, as well as D (separation from A of 42.8" and magnitude 11.9) and E (separation from A of 58.3" and magnitude 11.9).[8][9]

References

  1. ^ a b c d e f Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ^ a b c d Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D.
  3. ^ 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.
  4. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  5. ^ a b Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. Vizier catalog entry
  6. ^ Paunzen, E.; Schnell, A.; Maitzen, H. M. (2005). "An empirical temperature calibration for the Δa photometric system". Astronomy and Astrophysics. 444 (3): 941. arXiv:astro-ph/0509049. Bibcode:2005A&A...444..941P. doi:10.1051/0004-6361:20053546.
  7. ^ Abt, Helmut A.; Levato, Hugo; Grosso, Monica (2002). "Rotational Velocities of B Stars". The Astrophysical Journal. 573: 359. Bibcode:2002ApJ...573..359A. doi:10.1086/340590.
  8. ^ Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001). "The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog". The Astronomical Journal. 122 (6): 3466. Bibcode:2001AJ....122.3466M. doi:10.1086/323920. Vizier catalog entry
  9. ^ Eggleton, P. P.; Tokovinin, A. A. (2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x. Vizier catalog entry
Stub icon

This giant-star-related article is a stub. You can help Wikipedia by expanding it.

Stub icon

This binary or multiple star system–related article is a stub. You can help Wikipedia by expanding it.

Retrieved from "https://en.wikipedia.org/w/index.php?title=32_Pegasi&oldid=753465668"