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Latest Details
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Name
  Fr258 Cyg  
AAVSO UID
000-BPB-552 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 47 18.60 +34 15 40.7  (311.82750 +34.26131) Search nearby
B1950.0 20 45 18.80 +34 04 35.6
Galactic coord. 76.323 -5.713
Other names

(Internal only)
ATO J311.8274+34.2612 GSC 02695-03684 UCAC4 622-103854
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Variability type
EA
Spectral type --
Mag. range
14.13 - 14.76 V
Discoverer Peter Frank
Epoch
28 Jul 2017 (HJD 2457962.5687) Ephemeris
Outburst --
Period 0.6990779 d  (16.77787 h)
Rise/eclipse dur. 14%  (2.349 h)
Remarks
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1 Otero, Sebastian Alberto Eccentric system. Min II= 14.23 V at phase 0.52.
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References
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1 Moschner, W.; Frank, P.; Bernhard, K., 2020, The period of the new
eclipsing binary Fr258 = GSC 02695-03684 Cyg		 --
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Images
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Size 5' x 5' (297 x 298 pixels)
Center 20 47 18.60 +34 15 40.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
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1 Otero, Sebastian Alberto 2021-07-08 22:56 UTC Initial submission.

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