Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21560606d&link_type=abstract
American Astronomical Society, AAS Meeting #215, #606.06; Bulletin of the American Astronomical Society, Vol. 36, p.1130
Astronomy and Astrophysics
Astronomy
Scientific paper
At Case Institute of Technology in the late 1950s Dr. Sidney McCuskey was interested in a program of investigating the stellar distribution of stars in areas in the Galactic Plane. I was interested in extending this program to high Galactic Latitudes. I started by using the Warner and Swasey Schmidt telescope with objective prisms. On these plates all the A stars were marked and later observed with Four-Color filters. A subset of the A stars had large (u-b) indices. These were classified as Population II, FHB stars and the classification was confirmed by IUE ultraviolet spectra which had the spectral distribution of Pop II stars. At the University of New Mexico, State University of NY and Union College I went on observing trips to KPNO and CTIO and measured the A stars in the Four-Color system. CCD frames were also taken of open and globular clusters. The open cluster M 67 became our standard cluster and these frames were used to calibrate all the frames on a given observing run. Later on we also used the Vilnius filters S, Z, X and Y so we ended up with an eight filter system. The final indices were then used to determine the temperature, luminosity and metalicity of the program stars. These calculations were made by Robert Janusz and five Lithuanian Asronomers.The main collaborator on this project was Richard Boyle. .
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