15 Vulpeculae

15 Vulpeculae
Observation data Epoch J2000 Equinox J2000
Location of 15 Vulpeculae (circled)
Constellation	Vulpecula
Right ascension	20^h 01^m 06.04846^s^[1]
Declination	27° 45′ 12.8639″^[1]
Apparent magnitude (V)	4.66^[2] (4.62 - 4.67)^[3]
Characteristics
Spectral type	A4IIIm^[3]
U−B color index	+0.15^[4]
B−V color index	+0.18^[4]
Astrometry

Radial velocity (R_v)	-26.10^[5] km/s
Proper motion (μ)	RA: +58.17^[1] mas/yr Dec.: +3.84^[1] mas/yr
Parallax (π)	13.80 ± 0.20^[1] mas
Distance	236 ± 3 ly (72 ± 1 pc)
Absolute magnitude (M_V)	0.36^[2]

Details

Luminosity	59.76^[2] L_☉
Temperature	8,084^[6] K
Metallicity [Fe/H]	+0.02^[2] dex
Rotational velocity (v sin i)	15.0^[7] km/s

Other designations
FK5 1523, GC 27753, HIP 98543, HR 7653, HD 189849, SAO 88071
Database references
SIMBAD	data

15 Vulpeculae is a class A4IIIm^[3] (white giant) star in the constellation Vulpecula. It is an Alpha² Canum Venaticorum variable with magnitude ranging from 4.62 to 4.67 over a period of 14 days,^[3] and it is approximately 236 light years away based on parallax.^[1]

References

1 2 3 4 5 6 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
1 2 3 4 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
1 2 3 4 Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S. 1. Bibcode:2009yCat....1.2025S.
1 2 Mermilliod, J. C. (2006). "VizieR Online Data Catalog: Homogeneous Means in the UBV System (Mermilliod 1991)". VizieR On-line Data Catalog: II/168. Originally published in: Institut d'Astronomie. 2168. Bibcode:2006yCat.2168....0M. Vizier catalog entry
↑ 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.
↑ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427: 343. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. Vizier catalog entry
↑ Glebocki, R.; Gnacinski, P. (2005). "VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)". VizieR On-line Data Catalog: III/244. Originally published in: 2005csss...13..571G; 2005yCat.3244....0G. 3244. Bibcode:2005yCat.3244....0G. Vizier catalog entry

Stars of Vulpecula

Bayer	α (Anser)

Flamsteed	1 2 3 4 5 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 35 3 Cyg

Variable	R S T U V X Z RS SV VW WW AW BE BO BP BS BW CK DR ER LT LV MW NQ NS PS PU PW PX QQ QR QU QV QY V379 V387 V407 V452 V457 V458

HR	7207 7250 7263 7286 7364 7384 7391 7421 7452 7472 7490 7540 7573 7601 7656 7716 7760 7811 7849 7862 7895 7903 8082 8158 8190 8194 8197 8198

HD	186943 187614 188015 189671 190066 190228 190322 201626

Other	BD+23 3912 G 185-32 GD 385 GS 2000+25 HIP 100963 PSR B1919+21 PSR B1930+22 PSR B1937+21 PSR B1953+29 PSR B2020+28 PSR J2007+2722 Wolf 1346 WR 125 XTE J1859+226

List

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