Initial Results From The Chandra High Energy Transmission Grating Spectrometer

Details Initial Results From The Chandra High Energy Transmission Grating Spectrometer Initial Results From The Chandra High Energy Transmission Grating Spectrometer

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000adnx.conf....5c&link_type=abstract

Atomic Data Needs for X-ray Astronomy, p. 5

Astronomy and Astrophysics

Astrophysics

4

Gratings (Spectra), X Ray Astrophysics Facility, Spectral Resolution, X Ray Spectrometers, Energy Transfer, Pulsars, Binary Stars, Stellar Coronas, Supernova Remnants, Spaceborne Astronomy

Scientific paper

The High Energy Transmission Grating Spectrometer (HETGS) on the Chandra X-ray Observatory provides spectral resolving powers of 200-1000 over the range 0.4-8.0 keV (1.5-30 A) with effective area of 2-200 square centimeters. Initial observations during the activation and calibration phases of the mission show that the HETGS is performing as predicted prior to Chandra launch. The talk presented very preliminary results that illustrate the power of the HETGS for performing detailed studies of a wide range of celestial sources, including plasma diagnostics. This written version gives a brief summary of that talk with examples of preliminary spectra of Capella, the Crab pulsar, SS433 and the SNR E0102-72.

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