Fornax Dwarf Galaxy X-Ray Point Source Catalog from XMM-Newton

A catalog of X-ray point sources detected in a deep XMM-Newton observation of the Fornax dwarf spheroidal galaxy. The table was created by NASA's HEASARC in February 2013 based on results published in the Astronomy & Astrophysics journal. It includes sources likely to be background active galactic nuclei, potential associations with a variable star and globular clusters, and constraints on accretion parameters for a putative intermediate-mass black hole.

Use Cases

• Identify and classify X-ray point sources based on their positional data and cross-correlation with other databases.
• Study the population of background active galactic nuclei projected towards a dwarf galaxy.
• Investigate potential X-ray counterparts to variable stars and globular clusters within the Fornax galaxy.
• Constrain accretion parameters and luminosity limits for a hypothesized central intermediate-mass black hole.

Strengths

• Data originates from a deep archive observation by the XMM-Newton space observatory.
• Includes cross-correlation results with available astronomical databases.
• Provides specific upper limits on accretion efficiency, stated as a few 10^-5 of the Eddington luminosity.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The description notes the galaxy's centroid is poorly constrained, which may affect positional accuracy for central sources.

Provenance

Source

National Aeronautics and Space Administration (NASA HEASARC)

Collection Method

Analysis of XMM-Newton archive observation data, cross-correlated with other databases.

Time Range

Observation date is not specified; catalog created February 2013.

Freshness

Last updated 2026-03-13 20:14:59.286608; freshness should be verified.

Geography

Fornax dwarf spheroidal galaxy and its globular clusters GC 3 and GC 4.