X-Ray Evolution of Accreting Protostars

Details X-Ray Evolution of Accreting Protostars X-Ray Evolution of Accreting Protostars

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..766a&link_type=abstract

Chandra Proposal ID #03200661

Computer Science

Chandra Proposal Id #03200661

Scientific paper

Recent developments have shown that the environment of protostars plays an important role for their structure and evolution: in dense clusters like Ophiuchus they have relatively compact envelopes and a rapidly decreasing accretion rate; in dispersed regions like Taurus they have the extended envelopes and constant accretion rates considered by the standard model of star formation. We want to investigate for the first time the corresponding evolution of the X-ray emission (over time scales ~10^4-10^5 yrs) in Taurus, and search whether protostellar structure, evolution, and X-ray emission are related. Such a relation could be the result of feedback effects of X-rays on accretion and outflow acceleration.

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