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Latest Details
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Name
  sig Aql  
AAVSO UID
000-BCH-407 (28 observations)  
Constellation
Aquila Sequence
J2000.0
19 39 11.64 +05 23 52.0  (294.79850 +5.39778) Search nearby
B1950.0 19 36 43.59 +05 16 56.7
Proper motion
RA: 3.97 +/- 0.49 mas/yDec: -4.26 +/- 0.36 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 43.267 -8.071
Other names

(Internal only)
44 Aql ADS 12737 A BD+05 4225
HD 185507 HIP 96665 HR 7474
SAO 124903    
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Variability type
EB/DM
Spectral type B3V+B3V
Mag. range
5.14 (0.2) V
Discoverer --
Epoch
11 Jun 1920 (HJD 2422486.797) Ephemeris
Outburst --
Period 1.95026 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team ADS 12737 A (B 12.34m, 48", 328deg). Depth of Min II 0.1m. In [D.G.Monet, ApJ 237, 513, 1980.] P = 1.950271d is given according to spectroscopic data.
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References
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1 C.C.Wylie, ApJ 56, 232, 1922. 1922ApJ....56..232W
2 Bob Nelson's O-C files, 2016 --
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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 = 5.30H = 5.37K = 5.28J - K = 0.03
AllWISE W1 = 5.13W2 = 4.97W3 = 5.09W4 = 3.41W1 - W2 = 0.16W3 - W4 = 1.68
Images
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Supporting Documents
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Revision History
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2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.