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Name
  ASAS J182611+1212.6  
AAVSO UID
000-BDB-849 (15500 observations)  
Constellation
Hercules Sequence
J2000.0
18 26 11.50 +12 12 34.8  (276.54792 +12.20967) Search nearby
B1950.0 18 23 52.12 +12 10 45.3
Proper motion
RA: 3.5 +/- 1.3 mas/yDec: 4.9 +/- 1.4 mas/ySource: UCAC4
Galactic coord. 41.088 +11.073
Other names

(Internal only)
AAVSO 1821+12B ASAS 182611+1212.6 ASAS JASAS182612
GSC 01031-01262 TYC 1031-1262-1 UCAC2 36153587
USNO-B1.0 1022-0398518    
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Variability type
ACEP+EA
Spectral type F8II+G6II
Mag. range
11.51 (0.47) V
Discoverer --
Epoch
09 Jul 2004 (HJD 2453196.201) Ephemeris
Outburst --
Period 4.15270 d
Rise/eclipse dur. --
Remarks
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1 2012arXiv1211.1200S Pulsation period changes with 2.5 minutes per year. Eclipse ephemeris: Min(HJD) = 2454699.964 + 51.2857 * E.
2 Wils, Patrick Eclipse ephemeris: HJD Min = 2453571.36 + 51.38 * E.
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References
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1 Campaign for a New Eclipsing Cepheid AAVSO Alert Notice 351
2 E. Sipahi, C. Ibanoglu, O. Cakirli, S. Evren, 2012, arXiv:1211.1200
[astro-ph.SR]
2012arXiv1211.1200S
3 E.G. Schmidt et al., 2009, AJ 137, 4598 2009AJ....137.4598S
4 S.V. Antipin, K.V. Sokolovsky, T.I. Ignatieva, 2007, MNRAS, L379, 60 2007MNRAS.379L..60A
5 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
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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 = 10.00H = 9.63K = 9.53J - K = 0.47
AllWISE W1 = 9.38W2 = 9.38W3 = 9.27W1 - W2 = -0.00
APASS-DR9 B = 12.29V = 11.52g' = 11.87r' = 11.24i' = 10.94B - V = 0.78
GALEX-DR5 NUV = 17.65
Images
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Supporting Documents
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Revision History
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4 Admin, VSX 2012-11-07 22:29 UTC Update from [2012arXiv1211.1200S].
3 Admin, VSX 2009-10-09 21:18 UTC Update from [2009AJ....137.4598S].
2 Wils, Patrick 2007-06-08 21:33 UTC Updated type CWB+EA from astro-ph/0705.0605, spectral type from AAVSO Alert Notice 351, position from Tycho2.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.