Emission-Line Spectroscopy of NGC 3516

Details Emission-Line Spectroscopy of NGC 3516 Emission-Line Spectroscopy of NGC 3516

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...62n&link_type=abstract

Chandra Proposal ID #01700454

Physics

Chandra Proposal Id #01700454

Scientific paper

We propose 50-ks LETG/ACIS-S observations of the Seyfert Galaxy NGC 3516. The source is one of the brightest of its kind, contains a strong ``Warm Absorber'', and the galactic column is relatively small. We will also obtain guaranteed HST-STIS observations. The AXAF observations will allow us to measure between 4 and 9 emission lines (depending on their width), several absorption and emission edges, and X-ray absorption lines if present in the spectrum. We will determine the level of ionization and perhaps the metallicity. We will also measure line and edge widths and, if the X-ray lines are less than 4000 km/sec wide, the gas motion. This will give the best ever obtained indication of the WA location and will allow us to estimate the mass of the emitting material.

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