(cba:news) Fwd: [vsnet-alert 18832] V380 Oph deep fading

Joe Patterson jop at astro.columbia.edu
Tue Jul 7 22:20:30 EDT 2015


Oooooo, now there's a deep fading!  18.8 mag is kind of intimidating, 
maybe... but there's a decent chance the star has a very hefty 
sinusoidal signal with a period near 3.5 hours.  (That's one theory for 
what should happen in deep fadings.)

joe


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V380 Oph deep fading

   A similar deep fading was recorded in 2012.

   YYYYMMDD(UT)   mag  observer
   20150626.953  15.77CV  (Adolfo Darriba Martinez)
   20150627.023  16.83CV  (Adolfo Darriba Martinez)
   20150627.938  15.79CV  (Adolfo Darriba Martinez)
   20150704.070  18.81CV  (Adolfo Darriba Martinez)
   20150704.077  18.65CV  (Adolfo Darriba Martinez)
   20150704.083  18.78CV  (Adolfo Darriba Martinez)
   20150704.093  18.32CV  (Adolfo Darriba Martinez)
   20150704.105  18.36CV  (Adolfo Darriba Martinez)
   20150704.116  17.99CV  (Adolfo Darriba Martinez)
   20150704.127  18.44CV  (Adolfo Darriba Martinez)
   20150704.935  18.75CV  (Adolfo Darriba Martinez)
   20150704.947  19.02CV  (Adolfo Darriba Martinez)




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