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000-BDC-944 (36 observations)  
Andromeda Sequence
00 20 44.86 +40 49 41.8  (5.18692 +40.82828) Search nearby
B1950.0 00 18 06.27 +40 33 03.2
Proper motion
RA: 1.0 +/- 13.8 mas/yDec: -1.1 +/- 1.4 mas/ySource: UCAC4
Galactic coord. 116.691 -21.671
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1SWASP J002044.20+404940.8 ADS 284 BD+40 60
NSV 134 NSVS 3656843  
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Variability type
Spectral type --
Mag. range
10.90 - 11.26 R1
Discoverer --
13 Aug 1999 (HJD 2451403.69) Ephemeris
Outburst --
Period 0.47060 d  (11.294 h)
Rise/eclipse dur. 10%
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1 2006MNRAS.368.1757W Possible Blazhko star, period 27d.
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1 Greer, P. A.; Payne, S. G.; Norton, A. J.; et al., 2017, The SuperWASP
catalogue of 4963 RR Lyr stars: identification of 983 Blazhko effect
2 Wils P., Lloyd C., Bernhard K., 2006, MNRAS 368, 1757 2006MNRAS.368.1757W
3 Kolenberg, K.; Guggenberger, E.; Lenz, P.; van Cauteren, P.; Lampens, P.;
Wils, P., 2005, Communications in Asteroseismology, vol. 146, p. 11-20
4 C.F.Prosser, IBVS N3130,1988. 1988IBVS.3130....1P
5 S.Roessiger, IBVS N2977,1987. 1987IBVS.2977....1R
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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 = 11.52H = 11.25K = 11.19J - K = 0.33
AllWISE W1 = 11.01W2 = 10.99W3 = 11.16W4 = 8.71W1 - W2 = 0.02W3 - W4 = 2.45
GALEX-DR5 FUV = 21.30NUV = 16.17FUV - NUV = 5.12
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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4 Admin, VSX 2015-12-18 21:44 UTC Updated variability type to indicate Blazhko effect.
3 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 16:03 UTC Update from [2006MNRAS.368.1757W].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.