A detailed investigation of coronal/magnetic and rotational changes in cool stars using NGC 3532

Details A detailed investigation of coronal/magnetic and rotational changes in cool stars using NGC 3532 A detailed investigation of coronal/magnetic and rotational changes in cool stars using NGC 3532

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2350s&link_type=abstract

Chandra Proposal ID #09200803

Physics

Chandra Proposal Id #09200803

Scientific paper

We propose to use Chandra ACIS-I to study the one-to-one correspondence recently proposed between coronal/dynamo and rotational changes in cool stars. The goal is insight into the physical basis underlying the 3-part X-ray classification of cool stars (saturated, super-saturated, and normal rotation-activity), crucial to fully interpreting the rotational/magnetic/activity evolution of cool stars. We already have copious optical data on our rich target open cluster NGC 3532, including 83 rotation periods for the cluster members, making it uniquely useful for rotation-activity studies. Furthermore, its age, 300Myr, nicely bridges a gap in the age sequence of the best studied clusters between 100Myr (Pleiades) and 600Myr (Hyades), permitting detailed study of evolution between these epochs.

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