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Name
  S Per  
AAVSO UID
000-BBD-777 (45829 observations)  
Constellation
Perseus Sequence
J2000.0
02 22 51.71 +58 35 11.4  (35.71546 +58.58650) Search nearby
B1950.0 02 19 15.12 +58 21 33.1
Proper motion
RA: -2.70 +/- 2.02 mas/yDec: -0.29 +/- 1.65 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 134.621 -2.195
Other names

(Internal only)
AAVSO 0215+58 BD+57 552 HD 14528
HIP 11093 IRC +60088 RAFGL 323
SAO 23261    
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Variability type
SRC
Spectral type M3Iae-M7
Mag. range
7.9 - 12.8 V
Discoverer A. Krueger, 1872
Epoch
--
Outburst --
Period 822 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team In the region of the open cluster h, khi Per. OH, H2O, SiO maser. In 1920 - 1969 there were secondary waves with cycles of 300d - 700d and Delta(m) ~1m [I.D.Howarth, JBAA 86, 210, 1976.]; in 1935 - 1961 P1 = 807d, P2 = 930d [I.Howarth, Light Curve 3, N1, 11, 1978.].
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References
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1 I.D.Howarth, JBAA 86, 210, 1976. 1976JBAA...86..210H
2 T. Köhl, AN 196, 145, 1913. 1913AN....196..145K
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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 = 2.95H = 1.84K = 1.12J - K = 1.83
AllWISE W3 = -2.00W4 = -3.04W3 - W4 = 1.05
APASS-DR9 B = 13.46V = 10.41g' = 11.96r' = 8.90i' = 6.87B - V = 3.05
Images
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Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
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4 Billiaert, Bruno 2015-12-05 19:32 UTC added reference and discoverer
3 Otero, Sebastian Alberto 2011-11-16 16:49 UTC Minimum magnitude from AAVSO V-data.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.