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Name
  2MASS J00390981+6112331  
AAVSO UID
000-BJP-384 (152 observations)  
Constellation
Cassiopeia Sequence
J2000.0
00 39 09.77 +61 12 33.6  (9.79071 +61.20933) Search nearby
B1950.0 00 36 16.28 +60 56 04.8
Proper motion
RA: -5.4 +/- 3.0 mas/yDec: 1.3 +/- 1.5 mas/ySource: UCAC4
Galactic coord. 121.454 -1.627
Other names

(Internal only)
ASASSN-V J003909.58+611233.6 GSC2.3 NALV008506 USNO-A2.0 1500-00686865
USNO-B1.0 1512-0023462 VSX J003909.7+611233  
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Variability type
SPB
Spectral type late B
Mag. range
13.455 - 13.480 V
Discoverer David Boyd (BDG)
Epoch
31 Oct 2008 (HJD 2454770.5218) Ephemeris
Outburst --
Period 0.43815 d  (10.516 h)
Rise/eclipse dur. 50%  (5.3 h)
Remarks
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1 Boyd, David At the moment its type is uncertain and under discussion, probably either pulsating or eclipsing.
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References
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1 D. Boyd et al., 2010, J.Br.Astron.Assoc. 121 (2011) 33-35 arXiv:1001.5277v2 [astro-ph.SR]
2 D. Boyd et al., 2010, arXiv:1001.5277v1 [astro-ph.SR] 2010arXiv1001.5277B
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 = 12.61H = 12.49K = 12.43J - K = 0.18
AllWISE W1 = 12.41W2 = 12.44W3 = 12.65W1 - W2 = -0.03
APASS-DR9 B = 13.88V = 13.48g' = 13.62r' = 13.43i' = 13.38B - V = 0.40
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 00 39 09.77 +61 12 33.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 Combined light curve Boyd, David 2009-07-07 15:32 UTC Combined light curve comprising 8110 measurements from 7 observers
1 Phase diagram Boyd, David 2009-07-07 15:32 UTC Light curve folded on period of 0.439d and binned with standard errors per bin
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Revision History
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3 Boyd, David 2010-05-07 14:25 UTC Variable and spectral types changed following revision of extinction correction. Published reference updated accordingly.
2 Admin, VSX 2010-02-03 03:15 UTC Update from [2010arXiv1001.5277B].
1 Boyd, David 2009-07-22 09:05 UTC Initial submission.

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