A Spectroscopic Survey of h+χ Persei

Details A Spectroscopic Survey of h+χ Persei A Spectroscopic Survey of h+χ Persei

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.4103b&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #41.03; Bulletin of the American Astronomical Society, Vol. 32, p.1461

Astronomy and Astrophysics

Astronomy

Scientific paper

We describe preliminary results from an optical spectroscopic survey of the Double Cluster, h + χ Persei, a pair of dense open clusters with ages between 10 and 20 million years (e.g., Vogt A&A 11:359). We currently have spectra of over 1000 stars, complete to V=15.4, covering an area within 9 arc-minutes of the center of each cluster. We plan to extend this survey to fainter magnitudes over a larger area. In our current sample, ≈80% of the stars are B- and A-type cluster members. The sample contains ≈10 Be stars per cluster, several of which were previously unknown. A preliminary HR diagram will be displayed, as well as color magnitude diagrams using optical (VR) and near-IR (JHK) photometry.

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