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Name
  W Per  
AAVSO UID
000-BBF-561 (20238 observations)  
Constellation
Perseus Sequence
J2000.0
02 50 37.89 +56 59 00.3  (42.65787 +56.98342) Search nearby
B1950.0 02 46 55.38 +56 46 37.9
Proper motion
RA: -0.48 +/- 1.22 mas/yDec: -3.32 +/- 1.14 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 138.654 -2.205
Other names

(Internal only)
AAVSO 0243+56A ASASSN-V J025037.89+565901.0 BD+56 724
HD 237008 HIP 13262 IRC +60097
RAFGL 381 SAO 23647  
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Variability type
SRC
Spectral type M3Ia-Iab-M7
Mag. range
8.6 - 11.0 V
Discoverer Thomas Espin (1893)
Epoch
--
Outburst --
Period 485 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team P2 = 2667d +- 460d is superimposed.
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References
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1 I.A.Klyus, Perem. Zvezdy 21, 763, 1982. 1982PZ.....21..763K
2 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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 = 3.10H = 2.00K = 1.57J - K = 1.53
AllWISE W3 = -0.73W4 = -2.24W3 - W4 = 1.51
APASS-DR9 B = 12.55V = 10.01g' = 11.11B - V = 2.54
Images
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Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
 SNEWS Campaign
Revision History
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4 Fernig, Leo 2022-02-18 22:10 UTC Discoverer updated from 1907AnHar..55....1C page 8
3 Otero, Sebastian Alberto 2021-02-24 20:16 UTC Range from AAVSO data.
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.

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