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The Palomar Digital Sky Survey (DPOSS)

DPOSS Data Server

General Descriptions:

• A brief popular description of DPOSS
  
• Roy Gal's DPOSS page
  
• A review paper on DPOSS (astro-ph/9809187)
  
• A selection of images from DPOSS
  

Early Results and the SKICAT System:

• Automated Star/Galaxy Classification for Digitized POSS-II, Weir, N., Fayyad, U., & Djorgovski, S. 1995, Astron. J. 109, 2401.
  
• Initial Galaxy Counts From Digitized POSS-II, Weir, N., Djorgovski, S., & Fayyad, U. 1995, Astron. J. 110, 1.
  
• The SKICAT System for Processing and Analysing Digital Imaging Sky Surveys, Weir, N., Fayyad, U., Djorgovski, S.G., & Roden, J. 1995, Publ. Astron. Soc. Pacific 107, 1243.
  
• Automated Analysis and Exploration of Image Databases: Results, Progress, and Challenges, Fayyad, U., Smyth, P., Weir, N., & Djorgovski, S. 1995, Journal of Intelligent Information Systems 4, 7.
  

High-Redshift Quasars:

• On-line listing, including some as yet unpublished objects
  
• The Discovery of Five Quasars at z > 4 Using the Second Palomar Sky Survey, Kennefick, J.D., de Carvalho, R.R., Djorgovski, S.G., Wilber, M.M., Dickson, E.S., Weir, N., Fayyad, U., & Roden, J. 1995, Astron. J. 110, 78.
  
• The Luminosity Function of z > 4 Quasars from the Second Palomar Sky Survey, Kennefick, J.D., Djorgovski, S.G., & de Carvalho, R.R. 1995, Astron. J. 110, 2553.
  
• Radio Properties of z > 4 Optically-Selected Quasars, Stern, D., Djorgovski, S.G., Perley, R., de Carvalho, R., & Wall, J.V. 2000, Astron. J. 119, 1526.
  

Galaxy Clusters:

• The Northern Sky Optical Cluster Survey. I. Detection of Galaxy Clusters in DPOSS, Gal, R.R., de Carvalho, R.R., Odewahn, S.C., Djorgovski, S.G., & Margoniner, V.E. 2000, Astron. J. 119, 12.
  
• The Palomar Abell Cluster Optical Survey. I. Photometric Redshifts for 431 Abell Clusters, Gal, R.R., de Carvalho, R.R., Brunner, R., Odewahn, S.C., & Djorgovski, S.G. 2000, Astron. J. 120, 540.
  
• Mass to Light Ratios of Groups and Clusters of Galaxies, Hradecky, V., Jones, C., Donnelly, R.H., Djorgovski, S.G., Gal, R.R., & Odewahn, S.C. 2000, Astrophys. J. 543, 521.
  
• The Butcher-Oemler Effect in 295 Clusters: Evidence of Strong Redshift Evolution and Cluster Richness Dependence, Margoniner, V.E., deCarvalho, R.R., Gal, R.R., & Djorgovski, S.G. 2000, Astrophys. J. Letters 548, L143.
  
• Luminosity Function of Clusters of Galaxies, Paolillo, M., Andreon, S., Longo, G., Puddu, E., Gal, R., Scaramella, R., Djorgovski, S.G., & de Carvalho, R. 2001, Astron. Astrophys. 367, 59.
  

Globular Clusters:

• Use of DPOSS Data to Study Globular Cluster Halos. An Application to M92, Testa, V., Zaggia, S., Andreon, S., Longo, G., Scaramella, R., Djorgovski, S.G., & de Carvalho, R. 2000, Astron. Astrophys. 356, 127.
  

Selected Review Papers From Our Group:

• Exploration of Large Digital Sky Surveys (a review paper) (postscript) (pdf)
  
• Searches for Rare Types of Objects (a review paper), (postscript) (pdf)
  
• Exploration of Parameter Spaces in a Virtual Observatory (a review paper) (postscript) (pdf)
  
• Massive Data Sets in Astronomy (a review paper)
  

Other:

• Miscellaneous Papers on astro-ph
  

For more info, please contact George Djorgovski:
george@astro.caltech.edu

Other links:

Virtual Observatory
Caltech Astronomy Homepage

Back to George's home page