High-resolution X-ray Imaging and Spectroscopy of the Planetary Nebula BD +30°3639

Details High-resolution X-ray Imaging and Spectroscopy of the Planetary Nebula BD +30°3639 High-resolution X-ray Imaging and Spectroscopy of the Planetary Nebula BD +30°3639

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20915606y&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #156.06; Bulletin of the American Astronomical Society,

Astronomy and Astrophysics

Astronomy

Scientific paper

Planetary nebulae (PN) are the last stages of evolution of intermediate mass (1-8 Msolar) stars. X-ray observations of PNs offer unique insight into the mechanisms that shape the nebulae. In February/March 2006 we observed the X-ray-bright young PN, BD+30°3639, for 150 ks using the Chandra X-ray Observatory's Low Energy Transmission Gratings in combination with its Advanced CCD Imaging Spectrometer (LETG/ACIS). This observation was the first half of our total time allocation with Chandra/LETG/ACIS. The well-resolved emission lines in the dispersed spectrum and the spatial structure in the 0th order image provide constraints on the origin of the X-ray-emitting plasma and the processes responsible for the structure of the nebula, respectively. We have used a combination of Subpixel Event Repositioning (SER) and deconvolution to improve the spatial resolution of the 0th order image. We report the preliminary results of spectral analysis and SER/deconvolution, including a comparison of the 0th order LETG/ACIS image with Hubble Space Telescope imaging as well as with an archival Chandra/ACIS image obtained in 2000.

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