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Name
  AG Cyg  
AAVSO UID
000-BCJ-515 (356 observations)  
Constellation
Cygnus Sequence
J2000.0
19 53 33.65 +37 02 35.6  (298.39021 +37.04322) Search nearby
B1950.0 19 51 44.25 +36 54 42.8
Proper motion
RA: 6.5 +/- 27.5 mas/yDec: -4.2 +/- 14.5 mas/ySource: UCAC4
Galactic coord. 72.416 +4.847
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J19533364+3702355 AAVSO 1949+36 AN 97.1910
ASASSN-V J195333.64+370235.2 GSC 02681-02043 HAT 199-03869
IOMC 2681000065 IRAS 19517+3654 KIC 1476573
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Variability type
M
Spectral type M5-M9
Mag. range
10.8 - 17.0 V
Discoverer --
Epoch
15 Aug 1952 (HJD 2434240.0) Ephemeris
Outburst --
Period 296.3 d
Rise/eclipse dur. 47%  (139 d)
Remarks
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1 Otero, Sebastian Alberto VSP Note: 14.7 mag. star 14" to the E and 15.6 mag. star 13" to the NE.
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References
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1 Catalogue of Stellar Spectral Classifications (Skiff, 2013) 2013yCat....102023S
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 J.D.Hartman, G.Bakos, K.Z.Stanek, R.W.Noyes, AJ, 128, 1761, 2004. 2004AJ....128.1761H
4 E.E.Barnard, MN 73, 500, 1913. 1913MNRAS..73..500B
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
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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 = 6.44H = 5.55K = 5.13J - K = 1.30
AllWISE W1 = 5.07W2 = 4.49W3 = 3.93W4 = 3.37W1 - W2 = 0.58W3 - W4 = 0.56
APASS-DR9 B = 13.74V = 12.22g' = 12.73r' = 11.47B - V = 1.52
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2013-09-13 18:37 UTC Maximum magnitude from AAVSO V data. Spectral type from Skiff (2013).
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.