EXOSAT ME Slew Catalog: 1210 X-ray Sources Detected 1983-1986

The EXOSAT ME Slew Catalog contains information on 1210 X-ray sources detected by the European Space Agency's EXOSAT satellite during slew maneuvers between 1983 and 1986. Each entry includes detection time, raw 1-8 keV count rate, and position, with 80% of entries having proposed single identifications and corrected count rates. This database is a modified copy rebuilt by NASA HEASARC in July 1999.

Use Cases

• Cross-correlating X-ray source positions with other astronomical catalogs based on the provided uncertainty regions and proposed counterpart coordinates.
• Analyzing X-ray source detection rates and light curve profiles based on the raw and corrected 1-8 keV count rate data.
• Studying the distribution and classification of celestial objects based on the object type information for identified sources.

Strengths

• Contains 1210 distinct X-ray source detections.
• 80% of entries (approximately 968 sources) have proposed single identifications with object type and corrected count rates.
• Data covers a defined time range from 1983 to 1986.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• For 20% of entries, only raw count rates are supplied without proposed identifications.

Provenance

Source

National Aeronautics and Space Administration (NASA HEASARC), based on original data from ESTEC/ESA.

Collection Method

Sources detected by searching for excesses above background in light curves from the EXOSAT satellite's Medium Energy (ME) detector during slew maneuvers.

Time Range

1983 to 1986

Freshness

Last updated 2026-03-13 17:40:47.547037; freshness should be verified.

Geography

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