R. R. de Carvalho

Latest

• X-ray Galaxy Clusters in NoSOCS: Substructure and the Correlation of Optical and X-ray Properties
• The Northern Sky Optical Cluster Survey IV: An Intermediate Redshift Galaxy Cluster Catalog and the Comparison of Two Detection Algorithms
• Peculiar Broad Absorption Line Quasars found in DPOSS
• The Northern Sky Optical Cluster Survey II: An Objective Cluster Catalog for 5800 Square Degrees
• The Digitized Second Palomar Observatory Sky Survey (DPOSS) II: Photometric Calibration
• Exploration of Large Digital Sky Surveys
• Searches for Rare and New Types of Objects