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Name
  V0769 And  
AAVSO UID
--  
Constellation
Andromeda Sequence
J2000.0
23 03 31.98 +42 09 12.5  (345.88325 +42.15347) Search nearby
B1950.0 23 01 13.25 +41 53 02.1
Proper motion
RA: -4.1 +/- 3.3 mas/yDec: -6.5 +/- 3.3 mas/ySource: UCAC4
Galactic coord. 102.413 -16.379
Other names

(Internal only)
1SWASP J230332.09+420914.0 2MASS J23033197+4209125 USNO-A2.0 1275-18118785
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Variability type
RRAB
Spectral type --
Mag. range
14.76 - 15.54 CR
Discoverer --
Epoch
24 Jul 2009 (HJD 2455037.4399) Ephemeris
Outburst --
Period 0.4668 d  (11.20 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Blended magnitudes given (the variable has V= ~16 and the companion is 6" away and has V= 16.5).
2 2009PZP.....9...29K A close pair of stars USNO-A2.0 1275-18118840 and USNO-A2.0 1275-18118785. The angular resolution was insufficient to determine which of the two stars varies. Infrared colors J-H = 0.676, H-K = 0.086 and J-K = 0.762 (2MASS) of USNO-A2.0 1275-18118840 are consistent with a K spectral type star (Bessell and Brett 1988). Infrared colors J-H = 0.262, H-K = 0.184, J-K = 0.446 (2MASS) of USNO-A2.0 1275-18118785 are consistent with an F spectral type star (Bessell and Brett 1988) and RRAB classification.
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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 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2015, IBVS 6155
2015IBVS.6155....1K
3 T. Kryachko, A. Samokhvalov, S.A. Korotkiy, 2009, PZP 9, 29 2009PZP.....9...29K
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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 = 15.57H = 15.31K = 15.13J - K = 0.45
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2016-09-30 18:37 UTC Passband added.
2 Admin, VSX 2016-01-06 23:34 UTC Update from [2015IBVS.6155....1K].
1 Admin, VSX 2009-11-05 23:41 UTC Initial upload.