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Name
  DDE 40  
AAVSO UID
000-BLR-275 (No observations)  
Constellation
Cygnus Sequence
J2000.0
19 12 43.71 +50 34 39.8  (288.18212 +50.57772) Search nearby
B1950.0 19 11 27.16 +50 29 29.7
Galactic coord. 81.420 +17.446
Other names

(Internal only)
2MASS J19124371+5034398 KIC 12056056 URAT1 703-273087
USNO-B1.0 1405-0308849 WISE J191243.68+503439.7  
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Variability type
UV:
Spectral type --
Mag. range
18.8 - 20.1 B
Discoverer Denis Denisenko
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Denisenko, Denis Flare on 1990-07-21 POSS-II Blue plate. 77" East of ASASSN-15mt. 2MASS position. Proper motion (5.5, -19.4) mas/yr in URAT1. J-K= 0.6: in 2MASS with B-V ~1.5 derived from Kepler-INT (B ~21.9).
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References
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1 New Variable Stars by D.Denisenko --
External Links
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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 = 16.36H = 16.16K = 15.77J - K = 0.59
AllWISE W1 = 15.45W2 = 15.24W1 - W2 = 0.21
Images
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Supporting Documents
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2 DDE 40 finder chart Denisenko, Denis 2015-07-19 22:45 UTC Color-combined (BRI) DSS finder chart with 5'x5' FOV
1 DDE 40 animation of DSS plates Denisenko, Denis 2015-07-19 22:45 UTC Animation of 1953, 1988 and 1990 Blue POSS plates with DDE 40 marked as New Var
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Revision History
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1 Denisenko, Denis 2015-07-21 18:11 UTC Initial submission.

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