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The Chemical Distribution in a Subluminous Type Ia Supernova: HST Images of the SN 1885 Remnant
Robert A. Fesen, Peter A. Hoeflich, Andrew J. S. Hamilton +4
We present HST images of the remnant of SN 1885 seen in absorption against M31's bulge via resonance lines of Ca I, Ca II, Fe I, and Fe II. Viewed in CaII H & K line absorption, th…
Cosmological Constraints from the SDSS Luminous Red Galaxies
M Tegmark, D Eisenstein, M Strauss +64
We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints…
Probing Multiple Sight Lines through the SN 1006 Remnant by UV Absorption Spectroscopy
P. Frank Winkler, Knox S. Long, Andrew J. S. Hamilton +1
Absorption-line spectroscopy is an effective probe for cold ejecta within an SNR, provided that suitable background UV sources can be identified. For the SN 1006 remnant we have id…
A high resolution UV absorption spectrum of supernova ejecta in SN1006
Andrew J. S. Hamilton, Robert A. Fesen, William P. Blair
We report a high resolution, far-ultraviolet, STIS E140M spectrum of the strong, broad Si II, III, and IV features produced by the ejecta of SN1006 seen in absorption against the b…