Search
Now showing items 1-8 of 8
Effects Of Rotationally Induced Mixing In Compact Binary Systems With Low-Mass Secondaries And In Single Solar-Type Stars
(2012-08)
Many population synthesis and stellar evolution studies have addressed the evolution of close binary systems in which the primary is a compact remnant and the secondary is filling its Roche lobe, thus triggering mass ...
Interaction Between the Broad-Lined Type Ic Supernova 2012ap and Carriers of Diffuse Interstellar Bands
(2014-02)
Diffuse interstellar bands (DIBs) are absorption features observed in optical and near-infrared spectra that are thought to be associated with carbon-rich polyatomic molecules in interstellar gas. However, because the ...
Modeling The Light Curve Of The Transient Scp06F6
(2009-10)
We consider simple models based on core collapse or pair-formation supernovae (SNe) to account for the light curve of the transient SCP06F6. A radioactive decay diffusion model provides estimates of the mass of the required ...
The Shape Of Cas A
(2008-04)
On the basis of optical, IR, and X-ray studies of CasA, we propose a geometry for the remnant based on a " jet-induced'' scenario with significant systematic departures from axial symmetry. In this model, the main jet axis ...
SN 2008In-Bridging The Gap Between Normal And Faint Supernovae Of Type IIp
(2011-08)
We present optical photometric and low-resolution spectroscopic observations of the Type II plateau supernova (SN) 2008in, which occurred in the outskirts of the nearly face-on spiral galaxy M61. Photometric data in the ...
The Unusually Luminous Extragalactic Nova SN 2010U
(2013-03)
We present observations of the unusual optical transient SN 2010U, including spectra taken 1.03 days to 15.3 days after maximum light that identify it as a fast and luminous Fe II type nova. Our multi-band light curve ...
Hydrogen-Poor Circumstellar Shells From Pulsational Pair-Instability Supernovae With Rapidly Rotating Progenitors
(2012-12)
In certain mass ranges, massive stars can undergo a violent pulsation triggered by the electron/positron pair instability that ejects matter, but does not totally disrupt the star. After one or more of these pulsations, ...
Discovery Of The Ultra-Bright Type II-L Supernova 2008es
(2009-01)
We report the discovery by the Robotic Optical Transient Search Experiment (ROTSE-IIIb) telescope of SN 2008es, an overluminous supernova (SN) at z = 0.205 with a peak visual magnitude of -22.2. We present multiwavelength ...