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Project VS-COMPAS

Variable Stars Common Observation
Mission in Particular Areas of the Sky



1347 stars discovered as of Nov 15, 2015
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VSX J133941.5+564342   [SIMBAD Query] [VizieR] [Aladin] [DSS 15min] [Locating Chart]

AAVSO UID:000-BKL-009 [data]
Constellation:Ursa Major
J2000.0:13 39 41.54 +56 43 42.0
204.92308 +56.72833

B1950.0:13 37 50.56 +56 58 52.6
Other designations:
2MASS J13394155+5643419
CSS_J133941.7+564343
GSC 03854-00577
NSVS 2682327
NSVS 2726271
UCAC3 294-117762
USNO-B1.0 1467-0253862

Var. type:EW
Spec. type:--
Mag. range:13.73 - 14.06 CV
Epoch:
29 Jun 1999 (HJD 2451358.60800)

Period:            0.36354 Discoverer: Ivan Sergey, Andrey Prokopovich, VS-COMPAS Team

Visibility Chart

Saturday, April 18, 2026 Sunday, April 19, 2026
131415161718 192021222300 010203040506 070809101112
   Sun and Moon
sunset   sunrise
         
20:31
@ 109.9°
06:16
@ 249.8°
moonset   moonrise
     
22:42
@ 128.9°
06:26
@ 228.3°

131415161718 192021222300 010203040506 070809101112

VSX J133941.5+564342
Circumpolar / The object is all day up

max
12.3m
max
12.3m
 
131415161718 192021222300 010203040506 070809101112


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