[vsnet-alert 25752] ASASSN-15sm possible superhumps

Thu Apr 22 14:36:53 JST 2021

ASASSN-15sm possible superhumps

  Variations in the ZTF data already suggest superhumps.

  YYYYMMDD(UT)   mag  observer
  20210310.9889 <181C  (Eddy Muyllaert)
  20210327.0208 <168C  (Eddy Muyllaert)
  20210419.1609 14.291zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210419.1614 14.314zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210419.1921 14.701zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210419.1926 14.696zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210421.1598 14.829zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210421.1603 14.735zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210421.1942 14.363zg  (Zwicky Transient Facility Lasair (Masci+ 2019))