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Mapping Circumstellar Matter with Polarized Light - The Case of Supernova 2014J in M82
Yi Yang, Lifan Wang, Dietrich Baade +11
Optical polarimetry is an effective way of probing the environment of supernova for dust. We acquired linear HST ACS/WFC polarimetry in bands , , and of the s…
The evolution of the 3D shape of the broad-lined type Ic SN 2014ad
H. F. Stevance, J. R. Maund, D. Baade +7
We present optical spectropolarimetry and spectroscopy of the broad-lined Type Ic (Ic-bl) SN 2014ad. Our spectropolarimetric observations cover 7 epochs, from -2 days to 66 days af…
Continuum Foreground Polarization and Na~I Absorption in Type Ia SNe
P. Zelaya, A. Clocchiatti, D. Baade +9
We present a study of the continuum polarization over the 400--600 nm range of 19 Type Ia SNe obtained with FORS at the VLT. We separate them in those that show Na I D lines at the…
Interstellar-Medium Mapping in M82 Through Light Echoes Around Supernova 2014J
Yi Yang, Lifan Wang, Dietrich Baade +10
We present multiple-epoch measurements of the size and surface brightness of the light echoes from supernova (SN) 2014J in the nearby starburst galaxy M82. Hubble Space Telescope (…
The 2D Distribution of Iron Rich Ejecta in the Remnant of SN 1885 in M31
Robert A. Fesen, Peter Hoeflich, Andrew J. S. Hamilton
We present Hubble Space Telescope (HST) ultraviolet Fe I and Fe II images of the remnant of Supernova 1885 (S And) which is observed in absorption against the bulge of the Andromed…
Spectropolarimetry of the Type Ia SN 2007sr Two Months After Maximum Light
P. Zelaya, J. R. Quinn, D. Baade +6
We present late time spectropolarimetric observations of SN 2007sr, obtained with the VLT telescope at ESO Paranal Observatory when the object was 63 days after maximum light. The…