The Impact of Luminosity Class on the H-alpha Index
Abstract
In Joner & Hintz (2015) they discuss the development of a new H-alpha index designed around a pair of wide and narrow filters, both centered on H-alpha. This is very similar to the older H-beta index that was often used with the Stromgren filter set. The original sample of stars was dominated by main sequence dwarf stars. To examine the impact of luminosity class on the H-alpha system we obtained a sample of stars covering the remaining luminosity classes. This data was obtained using the 1.2-m telescope of the Dominion Astrophysical Observatory, just like the original sample. We will show the slight changes seen in the value of the index for the various luminosity classes.
- Publication:
-
American Astronomical Society Meeting Abstracts #233
- Pub Date:
- January 2019
- Bibcode:
- 2019AAS...23336408H