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| Paper: |
Estimated Source Counts from the GSC-II Catalog |
| Volume: |
317, Milky Way Surveys: The Structure and Evolution of Our Galaxy |
| Page: |
193 |
| Authors: |
Drimmel, R.; Smart, R.; Spagna, A.; Bucciarelli, B.; Lattanzi, M.G.; McLean, B. |
| Abstract: |
Using matched objects between the Sloan Digital Sky Survey (SDSS) and the Second Guide Star Catalog (GSC-II), the GSC-II RF band photometry is characterized with respect to the Sloan r' band for both point sources and extended sources. Transforming the RF photometry of the extended objects (“non-stars” in GSC-II) within 10° of the NGP to r', the apparent magnitude distribution of galaxies as determined from Sloan data is recovered. Misclassification in GSC-II is characterized using the matching statistics and is found to vary with magnitude and the stellar density of the field. A statistical model of the GSC-II classifier is used to correct the source counts at lower galactic latitudes. |
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