Page 2 of 2
Re: Delta Sco brightens mag V = 0.8
Posted: Tue May 17, 2016 4:17 pm
by Olivier GARDE
Very small évolution for Del Sco since one year
Here's H alpha and H Beta profils taken with eShel spectrograph (corrected from Heliocentrique velocity)
Re: Delta Sco brightens mag V = 0.8
Posted: Wed May 10, 2017 3:15 pm
by James Foster
Here is my recent (29Apr17) spectrum of Be star delta SCO:
Taken with the CDK17 reflector at F/6.8 and LISA spectroscope. The nearby F3V miles star HD150453 was used for IR correction (OBJCTRA= '16 42 11' / OBJCTDEC= '-19 51 08').
Numerous He lines appear and the spectrum shows the telluric O2 lines clearly on this low altitude object. Twenty 1-sec exposures were made to capture this very bright object!
James