[vsnet-alert 13516] V503 Cyg : superhump evolution

[Ohshima]

V503 Cyg : superhump evolution

 We have received further observations from Osaka Kyoiku Univ.
team.  According to data ever received, the positive superhumps
have been continuously seen since the superoutburst started.
Stage B-C transition was seen, the superhump period in stage B is
0.08104(2) d and that in stage C is 0.08029(6) d. These period
supports the value in Kato et al. (2009).
 The period change in stage B is nealy 0.