North America and Pelican Nebulae X-Ray Source Catalog with 721 Detections
Updated 2mo ago
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Description
721 X-ray sources detected in the NGC 7000/IC 5070 star-forming region, combining data from Chandra and XMM-Newton observatories. The catalog, created by the HEASARC in July 2017 based on CDS data, includes optical and near-IR identifications from IPHAS, UKIDSS, and 2MASS to characterize young stellar populations. The study aims to identify candidate young stars, analyze spatial distributions, and map reddening across the region.
Use Cases
Identify candidate young stellar objects based on X-ray properties and optical/NIR counterparts.
Study spatial clustering and sequential star formation patterns relative to regions like the 'Gulf of Mexico'.
Analyze the correlation between X-ray sources and objects with infrared excesses identified by Spitzer.
Determine local optical-IR reddening laws and create updated reddening maps of the nebular region.
Characterize stellar populations with ages between 1-10 Myr using optical color-magnitude diagrams.
Strengths
721 X-ray detections from four Chandra and seven XMM-Newton pointings.
Complementary optical and near-IR data from IPHAS, UKIDSS, and 2MASS catalogs.
Detection threshold designed for approximately one spurious detection per field, limiting false positives.
Enables identification of young stars across a wide range of extinction and evolutionary stages.
Limitations
Column-level documentation is absent; field semantics must be inferred after download.
Row count is unknown, which may limit suitability assessment.
Wide range of extinction and near-IR excesses prevent derivation of accurate stellar parameters for some sources.
Provenance
Source
National Aeronautics and Space Administration (NASA), HEASARC
Collection Method
X-ray data reduction and source detection applied to Chandra and XMM-Newton images, complemented by cross-matched optical and IR catalog data.
Time Range
Observational data time range not specified in input.
Freshness
Last updated 2026-03-13 19:17:17.891599; freshness should be verified.
Geography
North America and Pelican nebulae (NGC 7000/IC 5070) star-forming region.
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