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Latest Details
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Name
  VESPA_V90  
AAVSO UID
000-BLY-982 (No observations)  
Constellation
Delphinus Sequence
J2000.0
20 23 58.29 +17 44 30.4  (305.99288 +17.74178) Search nearby
B1950.0 20 21 41.90 +17 34 45.9
Proper motion
RA: -18.7 +/- 13.0 mas/yDec: -9.8 +/- 12.6 mas/ySource: UCAC4
Galactic coord. 59.701 -11.191
Other names

(Internal only)
2MASS J20235827+1744303 ASASSN-V J202358.27+174429.9 CMC15 J202358.2+174430
UCAC4 539-129969 USNO-B1.0 1077-0654178  
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Variability type
EA/RS
Spectral type --
Mag. range
15.05 - 15.75 CV
Discoverer Ulisse Quadri, Luca Strabla, Roberto Girelli, Alberto Quadri
Epoch
12 Aug 2016 (HJD 2457613.4108) Ephemeris
Outburst --
Period 0.404912 d  (9.7179 h)
Rise/eclipse dur. 17%  (1.65 h)
Remarks
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1 Quadri, Ulisse Min II = 15.20 CV
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References
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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 = 13.20
AllWISE W1 = 12.48W2 = 12.53W1 - W2 = -0.05
APASS-DR9 B = 16.09V = 15.14g' = 15.64r' = 14.76i' = 14.38B - V = 0.95
GALEX-DR5 NUV = 21.46
Images
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Size 5' x 5' (297 x 298 pixels)
Center 20 23 58.29 +17 44 30.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Lightcurve plot Quadri, Ulisse 2016-08-14 11:58 UTC Lightcurve from VESPA project at (IAU Station 565) Bassano Bresciano Observatory, BS, Italy.
http://www.osservatoriobassano.org
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Revision History
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1 Quadri, Ulisse 2016-08-17 18:58 UTC Initial submission.

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