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Latest Details
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Name
  S Aql  
AAVSO UID
000-BCK-836 (23852 observations)  
Constellation
Aquila Sequence
J2000.0
20 11 37.47 +15 37 14.6  (302.90613 +15.62072) Search nearby
B1950.0 20 09 19.38 +15 28 14.3
Proper motion
RA: 5.288 +/- 0.142 mas/yDec: -0.261 +/- 0.137 mas/ySource: Gaia DR1
Galactic coord. 56.261 -9.847
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2007+15A ASAS J201138+1537.3 ASASSN-V J201137.47+153715.3
BD+15 4078 HIP 99503 SAO 105807
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Variability type
SRA
Spectral type M3e-M5.5e
Mag. range
8.9 - 12.8 V
Discoverer Joseph Baxendell (1863)
Epoch
12 Dec 1978 (HJD 2443855) Ephemeris
Outburst --
Period 146.45 d
Rise/eclipse dur. 48%  (70.296000000000 d)
Remarks
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
3 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 = 5.44H = 4.63K = 4.26J - K = 1.19
AllWISE W1 = 4.08W2 = 3.45W3 = 3.08W4 = 2.45W1 - W2 = 0.63W3 - W4 = 0.63
APASS-DR9 B = 12.54V = 10.98g' = 11.83r' = 10.26i' = 8.21B - V = 1.56
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 11 37.47 +15 37 14.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Fernig, Leo 2022-04-22 13:35 UTC Discoverer updated from 1907AnHar..55....1C page 28
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.