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Latest Details
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Name
  CT Del  
AAVSO UID
000-BCV-812 (6365 observations)  
Constellation
Delphinus Sequence
J2000.0
20 29 26.35 +09 53 52.2  (307.35979 +9.89783) Search nearby
B1950.0 20 27 01.90 +09 43 48.9
Proper motion
RA: -14.80 +/- 0.89 mas/yDec: -13.48 +/- 0.88 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 53.662 -16.571
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2024+09 AN 135.1935 ASAS J202927+0953.9
ASASSN-V J202926.35+095352.4 BD+09 4549 HD 195179
HIP 101079 IRC +10470 RAFGL 2589
SAO 125861 TYC 1091-717-1  
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Variability type
SRB
Spectral type M7
Mag. range
6.8 - 8.5 V
Discoverer --
Epoch
24 Oct 2003 (HJD 2452937.0) Ephemeris
Outburst --
Period 83.5 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Other period is 127 d.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 C.Hoffmeister, VSS 1, N2, 1947. --
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 = 2.36H = 1.44K = 1.14J - K = 1.21
AllWISE W3 = 0.54W4 = -0.08W3 - W4 = 0.62
APASS-DR9 B = 9.19V = 7.63g' = 8.24r' = 7.20i' = 5.21B - V = 1.56
GALEX-DR5 NUV = 17.98
Images
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Supporting Documents
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Campaigns/Programs
 Binocular program
Revision History
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3 Otero, Sebastian Alberto 2011-11-09 22:26 UTC Type, period and epoch from ASAS-3 data.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.