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Cataloging of the Digitized Poss-II: Initial Scientific Results

Published online by Cambridge University Press:  25 May 2016

S.G. Djorgovski ,
R.R. de Carvalho ,
R.R. Gal ,
M.A. Pahre ,
R. Scaramella  and
G. Longo
S.G. Djorgovski
Affiliation:
Palomar Observatory, Caltech, Pasadena, CA 91125, USA
R.R. de Carvalho
Affiliation:
Palomar Observatory, Caltech, Pasadena, CA 91125, USA Observatorio Nacional, CNPq, 20921 Rio de Janeiro, Brasil
R.R. Gal
Affiliation:
Palomar Observatory, Caltech, Pasadena, CA 91125, USA
M.A. Pahre
Affiliation:
Palomar Observatory, Caltech, Pasadena, CA 91125, USA
R. Scaramella
Affiliation:
Osservatorio Astr. di Roma, I-00040 Monteporzio, Italy
G. Longo
Affiliation:
Osservatorio Astr. di Capodimonte, I-80131 Napoli, Italy

Extract

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The Second Palomar Sky Survey (POSS-II) is now nearing completion. It will cover the entire northern sky with 894 fields (6.5° square) at 5° spacings, with no gaps in the coverage. Plates are taken in three bands: IIIa-J + GG395, λeff ∼ 480 nm; IIIa-F + RG610, λeff ∼ 650 nm; and IV-N + RG9, λeff ∼ 850 nm. Typical limiting magnitudes reached are BJ ∼ 22.5, RF ∼ 20.8, and IN ∼ 19.5, i.e., ∼ 1m −1.5m deeper than the POSS-I. The image quality is improved relative to the POSS-I, and is comparable to the southern photographic sky surveys. For more details, see Reid et al. (1987), and Reid & Djorgovski (1993).

Type
Part 8. Catalogues
Information
Symposium - International Astronomical Union , Volume 179: New Horizons from Multi-Wavelength Sky Surveys , 1998 , pp. 424 - 430
Copyright
Copyright © Kluwer 1998 

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