Chandra Carina Complex Project: X-Ray Point Source Catalog

A catalog of over 14,000 X-ray sources observed by the Chandra X-ray Observatory within a 1.42 square degree survey of the Carina Nebula. The catalog was produced by the Chandra Carina Complex Project (CCCP) and includes cross-matched infrared and visual counterparts. It appears to be complete to an absorption-corrected luminosity of ~10^30.7 erg s^-1 for a typical low-mass pre-main-sequence star.

Use Cases

• Identify and characterize young stellar objects based on X-ray and infrared source properties.
• Study the spatial distribution and luminosity function of X-ray sources in a massive star-forming region.
• Cross-match X-ray sources with visual and infrared catalogs for multi-wavelength analysis.
• Analyze source significance and positional accuracy using the provided probability and error metrics.

Strengths

• Contains over 14,000 X-ray sources, providing a substantial sample for statistical analysis.
• Covers a 1.42 square degree area of the Carina Nebula, a key star-forming region.
• Includes cross-matched counterparts from multiple visual, near-infrared, and mid-infrared surveys.
• Provides source data in multiple X-ray energy bands (full, soft, hard) with significance and position uncertainty metrics.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect observational and instrumental biases inherent to the Chandra ACIS instrument and the specific survey strategy.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Data reduction and analysis from X-ray observations by the Chandra X-ray Observatory's ACIS instrument, including point-source detection, source extraction, and cross-matching with external catalogs.

Freshness

Last updated 2026-03-13 19:39:56.084841; freshness should be verified.

Geography

The Great Nebula in Carina (Carina Nebula).