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Name
  VESPA_V20  
AAVSO UID
000-BLL-247 (76 observations)  
Constellation
Lacerta Sequence
J2000.0
21 57 47.66 +43 12 52.1  (329.44858 +43.21447) Search nearby
B1950.0 21 55 45.95 +42 58 31.3
Proper motion
RA: -0.1 +/- 5.2 mas/yDec: -0.9 +/- 5.1 mas/ySource: UCAC4
Galactic coord. 92.448 -9.147
Other names

(Internal only)
2MASS J21574764+4312521 ASASSN-V J215747.54+431252.3 UCAC4 667-104920
USNO-B1.0 1332-0517253    
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Variability type
RRAB
Spectral type --
Mag. range
15.54 - 16.65 CV
Discoverer Ulisse Quadri, Bruce McMath, Luca Strabla, Alberto Quadri, Roberto Girelli
Epoch
19 Nov 2014 (HJD 2456980.708) Ephemeris
Outburst --
Period 0.5008 d  (12.02 h)
Rise/eclipse dur. 12%  (1 h)
Remarks
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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 = 15.05H = 14.85K = 14.62J - K = 0.43
AllWISE W1 = 14.28W2 = 14.45W1 - W2 = -0.18
Images
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Supporting Documents
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1 Lightcurve plot Quadri, Ulisse 2014-12-02 21:25 UTC Lightcurve from VESPA project at (IAU Station 565) Bassano Bresciano Observatory, BS, Italy and from Bruce McMath
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Revision History
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1 Quadri, Ulisse 2014-12-03 02:27 UTC Initial submission.

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