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Latest Details
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Name
  DY Per  
AAVSO UID
000-BBF-128 (8609 observations)  
Constellation
Perseus Sequence
J2000.0
02 35 17.07 +56 08 44.7  (38.82113 +56.14575) Search nearby
B1950.0 02 31 41.77 +55 55 38.9
Galactic coord. 137.080 -3.847
Other names

(Internal only)
2MASS J02351713+5608446 AAVSO 0228+55 AN 37.1940
BF 4201 C* 107 CGCS 372
Case 542 GSC 03691-01782 IRAS 02316+5555
TYC 3691-1782-1 [DB2007] 15  
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Variability type
DYPer
Spectral type C4,5(R8)
Mag. range
10.5 - 16.0 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 13.8 V-mag. star 13" to the WSW.
2 Otero, Sebastian Alberto J-K= 1.96. The red star (J-K= 1.35) GSC 03691-00012 (V= 13.8) is 13" to the WSW.
3 GCVS Team In the region of the open cluster Tr 2.
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References
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1 Miller, A. A. et al., 2012, Discovery of Bright Galactic R Coronae Borealis
and DY Persei Variables: Rare Gems Mined from ASAS
2012arXiv1204.4181M
2 The cool Galactic R Coronae Borealis variable DY Persei 2005A&A...438L..13Z
3 C.Hoffmeister, VSS 1, N2, 1947. --
4 MVS N324, 1957. --
External Links
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Images
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
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5 Otero, Sebastian Alberto 2012-07-06 18:19 UTC Type from 2012arXiv1204.4181M. Range from AAVSO data.
4 Admin, VSX 2012-04-20 19:45 UTC Prototype star of new variability class.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Renz, Wolfgang 2007-08-08 17:53 UTC Revised variable type.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.