NGC 1399 Chandra X-Ray Source Catalog with 230 Detected Sources

A 2013 catalog from NASA HEASARC contains 230 X-ray sources detected in the giant elliptical galaxy NGC 1399. The data combines observations from the Chandra X-ray Observatory and the Hubble Space Telescope's Advanced Camera for Surveys. This study investigates the connection between globular clusters and low-mass X-ray binaries.

Use Cases

• Modeling the formation likelihood of low-mass X-ray binaries based on globular cluster mass, metallicity, and structural parameters mentioned in the description.
• Analyzing the radial distribution of X-ray sources to test hypotheses about in-situ formation versus globular cluster origins.
• Comparing the luminosity and variability of X-ray sources in globular clusters versus those in the galactic field.

Strengths

• Combines high-resolution data from two major observatories: Chandra and the Hubble Space Telescope.
• Contains 230 detected X-ray sources in the overlap region of the observations.
• Analysis constrains formation scenarios for low-mass X-ray binaries in elliptical galaxies.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

National Aeronautics and Space Administration (NASA HEASARC), based on CDS Catalog J/ApJ/736/90.

Collection Method

X-ray data retrieved from the Chandra public archive; optical data from HST program GO-10129.

Time Range

Observations from 2000 Jan 18 and 2003 May 26.

Freshness

Last updated 2026-03-13 19:53:26.600028; freshness should be verified.

Geography

Target is the giant elliptical galaxy NGC 1399.