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CH Cyg brightness drop - call for spectra
Posted: Sun Jun 12, 2016 11:53 am
by Robin Leadbeater
Re: CH Cyg brightness drop - call for spectra
Posted: Sun Jun 12, 2016 9:32 pm
by Peter Somogyi
Well, there are several much higher resolution and wider spectra existing in the database, since nobody else did it yet - let me drop here a quick comparative result of my shots (of every few month, last one from this week):
- chyg_2015_2016_06_psomogyi.png (77.9 KiB) Viewed 4347 times
I can observe OIII 5007 was striking out towards the end of last year, lately almost vanished He I 4922 and He I 5016 (should be so for all the He I series, I guess), but this drop didn't seem to happen suddenly.
H-beta also dropped (as Francois already noted here
http://www.spectro-aras.com/forum/viewt ... 5&start=70).
Assume someone could come up with comparing the recent spectra when it's all gathered.
I'm also looking forward to see professional theories.
Peter
Re: CH Cyg brightness drop - call for spectra
Posted: Wed Jun 15, 2016 9:36 pm
by umberto sollecchia
Salut, ma contribution.
- Profilo chcyg.png (5.76 KiB) Viewed 4303 times
Cordialement Umberto