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Name
  V0621 Per  
AAVSO UID
000-BFC-453 (679 observations)  
Constellation
Perseus Sequence
J2000.0
02 22 09.71 +57 07 02.3  (35.54046 +57.11731) Search nearby
B1950.0 02 18 36.83 +56 53 22.3
Proper motion
RA: -2.369 +/- 0.871 mas/yDec: -1.430 +/- 0.725 mas/ySource: Gaia DR1
Galactic coord. 135.041 -3.606
Other names

(Internal only)
2MASS J02220970+5707023 ALS 17117 BD+56 576
GSC 03694-01387 NGC 884 2311 NGC 884 7086
NGC 884 LAV 2005 NGC 884 W 36 PPM 27522
SAO 23252 TIC 348607572 TYC 3694-1387-1
XMMOM J022209.7+570702 [CCR2014] 13241 [CHI2010] chi Per M20
[JHC84] 68 [KGM2001] 43 [SCP2010] 10
[SHM2002] 47    
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Variability type
EA
Spectral type B1.5II
Mag. range
9.38 - 9.50 V
Discoverer J. Krzesinski, A. Pigulski
Epoch
23 Jan 1996 (HJD 2450105.844) Ephemeris
Outburst --
Period 25.5279 d
Rise/eclipse dur. 5.2%  (1.33 d)
Remarks
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1 Otero, Sebastian Alberto Total eclipses. Eccentric system. Min II= 9.45 V at phase 0.393. Duration 3.1%.
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References
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1 Saesen, S.; Carrier, F.; Pigulski, A.; et al., 2010, Photometric multi-site
campaign on the open cluster NGC 884. I. Detection of the variable stars
2010A&A...515A..16S
2 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 2002ApJ...576..880S
3 J. Krzesinski, A. Pigulski, AsAp 325, No. 3, 987, 1997. 1997A&A...325..987K
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 8.75H = 8.76K = 8.71J - K = 0.04
AllWISE W1 = 8.61W2 = 8.72W3 = 8.35W4 = 5.90W1 - W2 = -0.11W3 - W4 = 2.45
APASS-DR9 g' = 10.06
Images
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Supporting Documents
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2 Zoomed Min I phase plot Otero, Sebastian Alberto 2024-08-23 22:22 UTC Zoomed plot of the primary eclipse with data from 1997A&A...325..987K and 2010A&A...515A..16S.
1 Phase plot Otero, Sebastian Alberto 2024-08-23 22:21 UTC Phase plot with data from 1997A&A...325..987K and 2010A&A...515A..16S.
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Revision History
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4 Otero, Sebastian Alberto 2024-08-23 22:21 UTC Period, epoch, eclipse duration and amplitude from 1997A&A...325..987K and 2010A&A...515A..16S data. Mean magnitude derived from GCPD data. Gaia DR3 position.
3 Admin, VSX 2017-12-15 03:44 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.