HST/ACS Imaging of Kepler's Supernova Remnant

Details HST/ACS Imaging of Kepler's Supernova Remnant HST/ACS Imaging of Kepler's Supernova Remnant

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.2108s&link_type=abstract

American Astronomical Society Meeting 204, #21.08; Bulletin of the American Astronomical Society, Vol. 36, p.689

Astronomy and Astrophysics

Astronomy

Scientific paper

We present observations of Kepler's supernova remnant obtained with the Advanced Camera for Surveys on board the Hubble Space Telescope. Images obtained through narrowband filters isolating Hα , [N II] and [O III] emission show a wealth of structure on sub-arcsecond scales. There are a wide array of morphologies, and dramatic variations in the relative [N II] and [O III] brightnesses among the knots and filaments. A comparison of these HST images with ground based line filter images show that knots evolve on time scales of a decade. The proper motion of non-radiative filaments in the North indicate shock speeds of about 2000--2500 km/s.
We acknowledge support from grant HST-GO-09731.01-A to the Johns Hopkins University.

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