Spatially Resolved LETG Spectrometry of SNR1987A

Computer Science

Scientific paper

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Chandra Proposal Id #08500520

Scientific paper

We will obtain a spatially resolved LETG spectrum of the newborn supernova remnant SNR1987A. This observation will complement a 270 ks GTO observation of SNR1987A with the HETG. The proposed observations will provide spatial information to interpret the HETG observations and will measure the spectrum at wavelengths > 15 A where the HETG lacks sensitivity. With a projected source > 3 times brighter than it was during our Cycle 5 observation, we will be able to measure for the first time how the temperature distribution and kinematic velocity of the shocked gas has changed and how these parameters vary spatially around the ring-like source. The proposed observation is part of a large multi-wavelength campaign of observations with Spitzer, HST, and ground-based observatories.

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