Zeta Delphini - Misplaced Pages

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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

Mass	2.5 ± 0.2 `M`_☉
Radius	2.0 `R`_☉
Luminosity	85 `L`_☉
Temperature	8336 K

Other designations
4 Del, HD 196180, HIP 101589, HR 7871, BD+14° 4353, SAO 106274
Database references
SIMBAD	data

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

^ SIMBAD, Zeta Delphini (accessed 9 September 2012)
^ 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)

Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars. IV. Evolution of rotational velocities". Astronomy & Astrophysics. 537: A120. Bibcode:2012A&A...537A.120Z. doi:10.1051/0004-6361/201117691.

Bayer	α (Sualocin) β (Rotanev) γ γ δ ε (Aldulfin) ζ η θ ι κ ρ Aql (Tso Ke)
Flamsteed	1 10 13 14 15 16 17 18 (Musica)
Variable	EU HR HU V339 QV Sge
HR	7771 7774 7778 7793 7816 7824 7839 7899 7907 7975 8010 8044
HD	195019
Other	HAT-P-23 (Moriah) WASP-2 WISE J2030+0749 WISE 2056+1459

Exoplanets	18 Delphini b HD 195019 b HD 196885 Ab WASP-2b TOI-6883 b

Star clusters	Laevens 3 NGC 6934 NGC 7006

Nebulae	NGC 6905

NGC	7003 7025 7028
Other	ZW II 96