Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-10-09
Astronomy and Astrophysics
Astrophysics
9 pages, 3 figures; to be published in the Astrophysical Journal (Letters)
Scientific paper
10.1086/317335
We report the detection of well resolved, extended X-ray emission from the young planetary nebula BD+303639 using the Advanced CCD Imaging Spectrometer (ACIS) aboard the Chandra X-ray Observatory. The X-ray emission from BD+303639 appears to lie within, but is concentrated to one side of, the interior of the shell of ionized gas seen in high-resolution optical and IR images. The relatively low X-ray temperature (Tx ~ 3x10^6 K) and asymmetric morphology of the X-ray emission suggests that conduction fronts are present and/or mixing of shock-heated and photoionized gas has occurred and, furthermore, hints at the presence of magnetic fields. The ACIS spectrum suggests that the X-ray emitting region is enriched in the products of helium burning. Our detection of extended X-ray emission from BD+303639 demonstrates the power and utility of Chandra imaging as applied to the study of planetary nebulae.
Dgani Ruth
Kastner Joel H.
Soker Noam
Vrtilek Saeqa
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