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Latest Details
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Name
  RU And  
AAVSO UID
000-BBD-183 (8565 observations)  
Constellation
Andromeda Sequence
J2000.0
01 38 36.30 +38 40 13.5  (24.65125 +38.67042) Search nearby
B1950.0 01 35 40.70 +38 24 59.8
Proper motion
RA: -3.7 +/- 0.8 mas/yDec: 2.5 +/- 1.5 mas/ySource: UCAC4
Galactic coord. 132.935 -23.283
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0132+38 AN 11.1903 ASASSN-V J013836.22+384013.0
NSVS J0138363+384015    
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Variability type
SRA
Spectral type M5e-M6e
Mag. range
9.9 - 14.5 V
Discoverer Arthur Williams (1903)
Epoch
--
Outburst --
Period 238.3 d
Rise/eclipse dur. 49%  (117 d)
Remarks
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1 GCVS Team P var. Max = 2419857 + 243.0d*E (JD2412800 - 20000); Max = 2434551 + 233.24d*E (JD2420000 - 34550). Since JD2435000 - see Table. Delta(m) ~ 4m - 5m (before JD2429600), ~1m (JD2429600 ~ 33600), up to 3m (JD ~2436000), ~1.5m (JD ~2436700). In 1970 - 1972 showed quite irregular variations.
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References
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1 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
2 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1942ApJ....96..344J
3 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
4 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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Location    Go   
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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 = 5.82H = 4.93K = 4.56J - K = 1.26
AllWISE W1 = 4.39W2 = 4.02W3 = 3.76W4 = 3.29W1 - W2 = 0.37W3 - W4 = 0.47
APASS-DR9 B = 13.12V = 11.42g' = 12.20r' = 10.64B - V = 1.69
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 01 38 36.30 +38 40 13.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 LPV Program
 Percy's Unusual LPVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Fernig, Leo 2022-02-18 22:10 UTC Discoverer updated from 1907AnHar..55....1C page 8
2 Admin, VSX 2010-01-05 04:43 UTC Update from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.