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Latest Details
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Name
  V2502 Cyg  
AAVSO UID
000-BDC-101 (10335 observations)  
Constellation
Cygnus Sequence
J2000.0
19 37 03.23 +46 19 25.7  (294.26346 +46.32381) Search nearby
B1950.0 19 35 33.29 +46 12 37.3
Proper motion
RA: -3.8 +/- 1.0 mas/yDec: -8.2 +/- 0.7 mas/ySource: UCAC4
Galactic coord. 79.133 +12.021
Other names

(Internal only)
2MASS J19370323+4619256 AAVSO 1934+46C AAVSO 6811 V03
ASASSN-V J193703.16+461924.8 BD+45 2933 Cl* NGC 6811 Lindoff 70
Cl* NGC 6811 VLR V3 GSC 03556-01668 KIC 9655177
KID 9655177 NGC 6811 L70 TYC 3556-1668-1
UCAC3 273-158064 VSX J193703.2+461925  
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Variability type
DSCT
Spectral type A4
Mag. range
10.84 - 10.90 V
Discoverer van Cauteren, et al.
Epoch
02 May 2009 (HJD 2454953.636) Ephemeris
Outburst --
Period 0.11751 d  (2.820 h)
Rise/eclipse dur. --
Remarks
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1 Admin, VSX Frequencies detected in the interval [4.7, 27.6] c/d.
2 Jansen, R Period from original ref. (0.133333 d) not confirmed. Multiperiodic?
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2013, IBVS 6052
2013IBVS.6052....1K
2 K. Uytterhoeven et al., 2011, arXiv:1107.0335v1 [astro-ph.SR] 2011arXiv1107.0335U
3 Van Cauteren, P., Lampers, P., Robertson, C.W., and Strigachev, A. 2005,
Comm in Asteroseismology, 146, 21
2005CoAst.146...21V
4 P.van Cauteren, et al., Comm. in Asteroseismology, 146, 2005. 2005CoAst.146...21V
5 Kepler data (MAST) --
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 = 10.12H = 9.95K = 9.91J - K = 0.21
AllWISE W1 = 9.87W2 = 9.89W3 = 9.90W4 = 9.23W1 - W2 = -0.03W3 - W4 = 0.68
APASS-DR9 B = 11.26V = 10.86g' = 10.99r' = 10.79i' = 10.78B - V = 0.40
Images
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Supporting Documents
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1 Phase plot KEPLER data (JD 2454953 to 2454998) Jansen, R 2010-08-01 01:22 UTC
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Revision History
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4 Admin, VSX 2013-04-16 00:51 UTC Update from [2013IBVS.6052....1K].
3 Admin, VSX 2011-07-07 02:55 UTC Update from [2011arXiv1107.0335U].
2 Jansen, R 2010-08-01 01:22 UTC Revised period.
Added: phase plot, epoch, synonyms, spectral type.
  1 Admin, VSX 2006-07-13 09:19 UTC Initial database population.