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Latest Details
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Name
  Y CVn  
AAVSO UID
000-BBT-191 (36917 observations)  
Constellation
Canes Venatici Sequence
J2000.0
12 45 07.83 +45 26 24.9  (191.28262 +45.44025) Search nearby
B1950.0 12 42 47.11 +45 42 48.1
Proper motion
RA: -1.40 +/- 0.31 mas/yDec: 13.24 +/- 0.26 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 126.447 +71.645
Other names

(Internal only)
AAVSO 1240+45 BD+46 1817 HD 110914
HIP 62223 HR 4846 IRC +50219
RAFGL 1576 SAO 44317  
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Variability type
SRB
Spectral type C5,4J(N3)
Mag. range
4.86 - 5.88 V
Discoverer --
Epoch
--
Outburst --
Period 267.8 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Long-term variation 5000 days not 2000.
2 GCVS Team P2 = 2000d.
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References
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1 IBVS #4379 1996IBVS.4379....1D
2 S.Gaposchkin, HA 118, N22, 1952. 1952AnHar.118...25G
3 V.P.Zessewitsch, Variable Stars and Methods of Their Studies, (in russian)
M., 1970.
--
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 = 0.99H = -0.28K = -0.74J - K = 1.73
Images
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Supporting Documents
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1 Historical light curve Otero, Sebastian Alberto 2011-05-10 00:52 UTC Light curve with all V-data available from the literature.
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Campaigns/Programs
 Binocular program
 Legacy LPV Program
Revision History
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3 Otero, Sebastian Alberto 2011-05-10 00:52 UTC Range in V from the literature and period from reference.
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 database population.