BW Vulpeculae

BW Vulpeculae
Observation data Epoch J2000.0 Equinox J2000.0
Constellation	Vulpecula
Right ascension	20^h 54^m 22.39523^s^[1]
Declination	+28° 31′ 19.1925″^[1]
Apparent magnitude (V)	6.44 - 6.68
Characteristics
Spectral type	B2IIIv
Variable type	Beta Cephei variable
Astrometry

Proper motion (μ)	RA: 1.42 ± 0.30^[1] mas/yr Dec.: 5.11 ± 0.30^[1] mas/yr
Parallax (π)	3.12 ± 0.40^[1] mas
Distance	approx. 1,000 ly (approx. 320 pc)

Other designations
BW Vulpeculae, HD 199140, HIP 103191, HR 8007, SAO 89265^[2]
Database references
SIMBAD	data

BW Vulpeculae is a star in the constellation Vulpecula. It varies between magnitudes 6.44 and 6.68 over a period of 4.8 hours.^[3]

References

1 2 3 4 5 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752 . doi:10.1051/0004-6361:20078357. Vizier catalog entry
↑ "BW Vulpeculae -- Variable Star of beta Cephei type". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2 August 2015.
↑ Otero, Sebastian Alberto (21 November 2011). "BW Vulpeculae". AAVSO Website. American Association of Variable Star Observers. Retrieved 2 August 2015.

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 NR 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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