IC 10 Chandra X-ray Point Source Catalog: 111 Sources from 2003-2010

111 unique X-ray point sources were identified in the Cassiopeia dwarf galaxy (IC 10) from a series of 10 Chandra ACIS-S observations spanning 2003 to 2010. The catalog, created by NASA, includes 21 sources variable at the 3-sigma level and classifies 10 strong HMXB candidates, 2 probable background AGN, and 4 foreground flare-stars. The study aimed to discover the composition of the X-ray binary population in a young starburst environment.

Use Cases

• Identify and classify variable X-ray sources based on flux variability ratios and multi-wavelength counterparts.
• Study the population of High Mass X-ray Binaries in a young starburst galaxy for comparison with older stellar populations.
• Analyze light curves and X-ray spectra to investigate the nature of transient and variable astrophysical objects.
• Search for optical counterparts to X-ray sources to constrain source classifications and physical properties.

Strengths

• Data from 10 separate Chandra observations provides temporal coverage from 2003 to 2010.
• Catalog includes 111 unique point sources with identified variable and transient candidates.
• Limiting luminosity of >10^35 erg/s provides sensitivity to X-ray binaries and flare stars.
• Source classifications are provided, including 10 strong HMXB candidates and other object types.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count for the catalog is unknown, which may limit suitability assessment.
• Complete classification of the sample requires additional optical spectroscopy and deeper X-ray observations, as noted in the description.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Observational data from a series of 10 Chandra ACIS-S telescope observations.

Time Range

2003 to 2010

Freshness

Last updated 2026-03-13 18:32:02.350780; freshness should be verified.

Geography

Cassiopeia dwarf galaxy (IC 10)