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Latest Details
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Name
  2MASS J20281817+4338269  
AAVSO UID
000-BKK-741 (355 observations)  
Constellation
Cygnus Sequence
J2000.0
20 28 18.18 +43 38 27.0  (307.07574 +43.64082) Search nearby
B1950.0 20 26 35.32 +43 28 26.4
Proper motion
RA: -7.7 +/- 1.2 mas/yDec: -14.5 +/- 2.3 mas/ySource: UCAC4
Galactic coord. 81.568 +2.895
Other names

(Internal only)
UCAC3 268-196477 USNO-B1.0 1336-0379725 VSX J202818.1+433827
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Variability type
DSCT
Spectral type --
Mag. range
13.00 - 13.01 CV
Discoverer Colin Littlefield
Epoch
08 Jul 2011 (HJD 2455750.737) Ephemeris
Outburst --
Period 0.05544 d  (79.83 min)
Rise/eclipse dur. --
Remarks
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1 Littlefield, Colin On some nights, variability was nearly undetectable, a phenomenon consistent with the star being a DSCT.
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References
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1 Littlefield et al. (2011) arXiv:1111.3367v1
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 = 11.45H = 11.21K = 11.11J - K = 0.34
AllWISE W1 = 11.06W2 = 11.09W1 - W2 = -0.03
APASS-DR9 B = 13.81V = 12.96g' = 13.40r' = 12.72i' = 12.47B - V = 0.85
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 28 18.18 +43 38 27.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 Phase Plot Littlefield, Colin 2012-03-21 22:58 UTC
1 Power Spectrum Littlefield, Colin 2012-03-21 22:58 UTC The amplitude of variability is quite low, but the power spectrum (using the PDM technique) shows a strong candidate period at 0.05544 days. The other signals are aliases of the period.
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Revision History
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1 Littlefield, Colin 2012-03-21 23:13 UTC Initial submission.

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