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'''Zeta Delphini''' ('''ζ Del''') is a ] in the ] ]. Its ] is 4.66. It has a ] companion within 910 AU of the main star. <ref>http://arxiv.org/abs/1410.0005</ref> '''Zeta Delphini''' ('''ζ Del''') is a ] in the ] ]. Its ] is 4.66. It has a ] companion within 910 AU of the main star. <ref name=vast>{{cite journal|bibcode=2014MNRAS.445.3694D|arxiv=1410.0005|title=The VAST Survey - IV. A wide brown dwarf companion to the A3V star ζ Delphini|journal=Monthly Notices of the Royal Astronomical Society|volume=445|issue=4|pages=3694|author1=De Rosa|first1=R. J.|last2=Patience|first2=J.|last3=Ward-Duong|first3=K.|last4=Vigan|first4=A.|last5=Marois|first5=C.|last6=Song|first6=I.|last7=MacIntosh|first7=B.|last8=Graham|first8=J. R.|last9=Doyon|first9=R.|last10=Bessell|first10=M. S.|last11=Lai|first11=O.|last12=McCarthy|first12=D. W.|last13=Kulesa|first13=C.|year=2014|doi=10.1093/mnras/stu2018}}</ref>


Zeta Delphini B — ] (L5±2, 50±15 mass ], 13"=910±14 AU).<ref></ref> Zeta Delphini B — ] (L5±2, 50±15 mass ], 13"=910±14 AU).<ref name=vast/>


==References== ==References==
{{reflist}} {{reflist}}


== Links == == External links ==
* *{{cite journal|bibcode=2012A&A...537A.120Z|title=Rotational velocities of A-type stars. IV. Evolution of rotational velocities|journal=Astronomy & Astrophysics|volume=537|pages=A120|author1=Zorec|first1=J.|last2=Royer|first2=F.|year=2012|doi=10.1051/0004-6361/201117691}}

{{Stars of Delphinus}} {{Stars of Delphinus}}



Revision as of 14:35, 28 February 2017

ζ Delphini
Observation data
Epoch J2000      Equinox J2000
Constellation Delphinus
Right ascension 20 35 18.53563
Declination +14° 40′ 27.1675″
Characteristics
Evolutionary stage A3V
Details
Mass2.5 ± 0.2 M
Radius2.0 R
Luminosity85 L
Temperature8336 K
Other designations
4 Del, HD 196180, HIP 101589, HR 7871, BD+14° 4353, SAO 106274
Database references
SIMBADdata

Zeta Delphini (ζ Del) is a star in the constellation Delphinus. Its apparent magnitude is 4.66. It has a brown dwarf companion within 910 AU of the main star.

Zeta Delphini B — brown dwarf (L5±2, 50±15 mass Jup, 13"=910±14 AU).

References

  1. ^ SIMBAD, Zeta Delphini (accessed 9 September 2012)
  2. ^ De Rosa, R. J.; Patience, J.; Ward-Duong, K.; Vigan, A.; Marois, C.; Song, I.; MacIntosh, B.; Graham, J. R.; Doyon, R.; Bessell, M. S.; Lai, O.; McCarthy, D. W.; Kulesa, C. (2014). "The VAST Survey - IV. A wide brown dwarf companion to the A3V star ζ Delphini". Monthly Notices of the Royal Astronomical Society. 445 (4): 3694. arXiv:1410.0005. Bibcode:2014MNRAS.445.3694D. doi:10.1093/mnras/stu2018.{{cite journal}}: CS1 maint: unflagged free DOI (link)

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Constellation of Delphinus
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