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  P Cyg  
000-BCL-228 (53618 observations)  
Cygnus Sequence
20 17 47.20 +38 01 58.6  (304.44667 +38.03294) Search nearby
B1950.0 20 15 56.59 +37 52 35.3
Proper motion
RA: -3.18 +/- 0.13 mas/yDec: -6.45 +/- 0.15 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 75.827 +1.319
Other names

(Internal only)
34 Cyg AAVSO 2014+37A BD+37 3871
HD 193237 HIP 100044 HR 7763
Hen 3-1871 MWC 338 RAFGL 5493S
SAO 69773    
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Variability type
Spectral type B1Iapeq
Mag. range
3 - 6 V
Discoverer --
Outburst --
Period --
Rise/eclipse dur. --
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1 GCVS Team The appearance of the star was firstly noted in 1600, when its brightness was 3m. Since the XVIII century the light of the star varies in the range 4.6m - 5.6m vis. Radio source at the millimetre and centimetre wavelengths.
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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 = 3.62H = 3.41K = 3.05J - K = 0.57
AllWISE W3 = 1.72W4 = 0.81W3 - W4 = 0.90
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Revision History
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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.