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Latest Details
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Name
  DQ Cep  
AAVSO UID
000-BCV-391 (1932 observations)  
Constellation
Cepheus Sequence
J2000.0
20 57 48.61 +55 29 15.6  (314.45254 +55.48767) Search nearby
B1950.0 20 56 24.06 +55 17 34.9
Proper motion
RA: 25.674 +/- 0.038 mas/yDec: 20.177 +/- 0.036 mas/ySource: Gaia DR1
Galactic coord. 93.877 +6.405
Other names

(Internal only)
AAVSO 2055+55 BD+54 2452 HD 199908
HIP 103471 IOMC 3956000047 SAO 33026
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Variability type
DSCT
Spectral type F4III
Mag. range
7.22 - 7.32 V
Discoverer --
Epoch
05 Oct 1951 (HJD 2433924.8404) Ephemeris
Outburst --
Period 0.07886444 d  (113.56479 min)
Rise/eclipse dur. 50%
Remarks
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1 GCVS Team Multiperiodicity: P0 = 0.12420d: [W.C.Fitch, B.Szeidl, ApJ 203, 616, 1976.], P1 = 0.061177d [W.S.Fitch, ApJ 130, 1022, 1959.].
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References
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
2 J.S. Nichols et al., 2010, ApJS 188, 473 (online data) 2010ApJS..188..473N
3 L.W.Schroeder, R.L.Jenks, ApJ 146, 738, 1966. 1966ApJ...146..738S
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 = 6.57H = 6.45K = 6.42J - K = 0.15
AllWISE W1 = 6.36W2 = 6.31W3 = 6.41W4 = 6.32W1 - W2 = 0.06W3 - W4 = 0.10
APASS-DR9
Images
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Supporting Documents
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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.