A Survey of Orion A with XMM and Spitzer: SOXS
Goals for the SOXS
Orion A
Orion A
Orion A
The Spitzer Survey of Orion A
The Spitzer Survey of Orion A
1161 X-ray sources in the 9 fields Nearly 100,000 IRAC sources in those fields. - About 140 Class I Sources in those fields
- About 550 Class II sources are in the 9 fields.
- About 220 (~45%) of the Class II sources were detected by XMM.
- Of the 1161 X-ray sources, 882 have counterparts in the Spitzer Survey.
Contamination by Background X-ray Sources
L1641 S
L1641 S
L1641 N
Stellar Content of Orion A
Caveats Need to account for contamination from Orion 1A Examine influence of Ori.
Status Survey Completed March 2008 Of the 1161 X-ray sources, 882 have counterparts in the Spitzer Survey. 99 have colors consistent with agn 221 have colors consistent with CII. The total number of stars in the 9 fields of Orion A is about 2100. The Class III sources appear more dispersed than the Class II sources.
Why Bother Looking at Young Stars in X-rays?
Orion A OB stars
The Spitzer Survey of Orion A
OB STARS
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