Photometric and Spectroscopic Observations of Two delta Scuti Variable: V919 Herculis and V927 Herculis

Details Photometric and Spectroscopic Observations of Two delta Scuti Variable: V919 Herculis and V927 Herculis Photometric and Spectroscopic Observations of Two delta Scuti Variable: V919 Herculis and V927 Herculis

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.2917p&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #29.17; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astrophysics

Scientific paper

We will present new results for two less studied delta Scuti variable stars: V919 Her and V927 Her. 11 nights of photometric observations of V919 Her, in filters B and V, were made at the 0.4-m David Derrick Telescope (DDT) of the Orson Pratt Observatory (OPO), the 0.4-m telescope of the BYU West Mountain Observatory (WMO), and the 1.8-m Plaskett telescope of the Dominion Astrophysical Observatory (DAO). Eight nights of photometric observations of V927 Her, in filters B and V, were made at the 0.4-m DDT of the OPO, and the 1.8-m Plaskett telescope of the DAO. Spectroscopic observations of both stars were made at the 1.2-m McKellar telescope of the DAO. The recently published period for V919 Her is 0.1037 days. Two closely spaced periods of 0.1305 and 0.1250 days have been published for V927 Her. With very little published about either star, this data will extend the baseline of both stars, and will allow us to investigate these periods, as well as frequencies, amplitudes, and radial velocities.
We acknowledge funding from a research assistantship from the BYU College of Physical and Mathematical Sciences.

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