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Name
  XX And  
AAVSO UID
000-BBC-674 (31389 observations)  
Constellation
Andromeda Sequence
J2000.0
01 17 27.41 +38 57 02.0  (19.36421 +38.95056) Search nearby
B1950.0 01 14 35.92 +38 41 16.1
Proper motion
RA: 59.67 +/- 1.50 mas/yDec: -34.18 +/- 1.31 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 128.451 -23.642
Other names

(Internal only)
1SWASP J011727.41+385702.0 AAVSO 0111+38 CSS_J011727.3+385701
HIP 6029 HV 3667  
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Variability type
RRAB/BL
Spectral type A8-F6
Mag. range
10.08 - 11.13 V
Discoverer --
Epoch
19 Oct 2005 (HJD 2453662.575) Ephemeris
Outburst --
Period 0.722757 d  (17.3462 h)
Rise/eclipse dur. 19%
Remarks
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1 GCVS Team P var. Max = 2418001.938 + 0.7227486d*E (1908 - 1932); Max = 2427106.403 + 0.7227591d*E (1932 - 1946) [G.A.Lange, Astron. Tsirk. N176, 1957.]. Since 1946 - see Table. Delta(S) = 9. Blazhko effect: Max = 2437578 + 36d*N [G.A.Lange, Astron. Tsirk. N227, 19, 1962.].
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References
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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
candidates
2017A&A...607A..11G
2 A.J. Drake, M. Catelan, S.G. Djorgovski et al., 2012, arXiv:1211.2866
[astro-ph.GA]
2012arXiv1211.2866D
3 M.J.Penston, MN 164, 133, 1973. 1973MNRAS.164..133P
4 J.Ashbrook, AJ 54, 169, 1949. 1949AJ.....54..169A
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 = 9.67H = 9.42K = 9.34J - K = 0.34
AllWISE W1 = 9.39W2 = 9.40W3 = 9.29W4 = 9.13W1 - W2 = -0.01W3 - W4 = 0.17
APASS-DR9 B = 11.12V = 10.84g' = 10.94r' = 10.77i' = 10.64B - V = 0.28
GALEX-DR5 FUV = 20.56NUV = 14.66FUV - NUV = 5.90
Images
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Supporting Documents
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Revision History
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3 Admin, VSX 2015-12-18 21:46 UTC Updated variability type to indicate Blazhko effect.
2 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.