M 33 XMM-Newton Supernova Remnants Catalog: 105 Detected Remnants

A 2019 catalog from NASA HEASARC details the X-ray properties of 105 supernova remnants in the M 33 galaxy, detected using an eight-field XMM-Newton mosaic survey. The study includes 54 newly X-ray-detected remnants and three newly discovered ones, with detailed spectral fitting for 15 objects using combined XMM-Newton and Chandra data. The authors used this sample to construct an X-ray luminosity function and analyze environmental effects on remnant detectability.

Use Cases

• Modeling the relationship between X-ray luminosity and galactic metallicity based on the constructed luminosity function.
• Analyzing the correlation between SNR detectability and [SII]/H-alpha ratios mentioned in the description.
• Studying the impact of galactocentric distance on X-ray emission properties of supernova remnants.
• Comparing SNR populations and properties across galaxies with differing star formation histories.
• Conducting spectral analysis of supernova remnants using fitted temperatures, ionization time-scales, and abundances.

Strengths

• Contains data on 105 supernova remnants, including 54 newly X-ray-detected and three newly discovered.
• Provides detailed spectral fits for 15 remnants with measured temperatures, ionization time-scales, and individual abundances.
• Combines data from two major X-ray observatories: XMM-Newton and Chandra.
• Based on deep observations covering the entire area within the D25 isophote of M 33.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The dataset's specific file formats (BIN, HTML) may require specialized tools for access and analysis.

Provenance

Source

NASA HEASARC, based on CDS Catalog J/MNRAS/472/308.

Collection Method

X-ray observations from an eight-field XMM-Newton mosaic and the Chandra ACIS Survey of M 33 (ChASeM33).

Time Range

Observational timeframe not specified; catalog ingested October 2019.

Freshness

Last updated 2026-03-13 18:19:13.769063; freshness should be verified.

Geography

The Triangulum Galaxy (M 33), covering area within the D25 isophote.