11 citations · 34 across the 11 of their papers we have counts for
5 papers · 1 filter
Hαspectropolarimetry of RY Tau and PX Vul
A. Pereyra, A. M. Magalhães, F. X. de Araújo
Aims: To detect line effects using spectropolarimetry in order to find evidence of rotating disks and their respective symmetry axes in T Tauri stars. Methods: We used the IAGPOL i…
The Magnetic Field Structure of the LMC 2 Supershell: NGC 2100
John P. Wisniewski, Karen S. Bjorkman, Antonio M. Magalhaes +2
We present U,B,V,R,I imaging polarimetry of NGC 2100 and its surrounding environment, which comprise a part of the LMC 2 supershell. The morphology of the observed position angle d…
Optical polarimetric monitoring of the type II-plateau SN 2005af
A. Pereyra, A. M. Magalhaes, C. V. Rodrigues +4
Aims. Core-collapse supernovae may show significant polarization that implies non-spherically symmetric explosions. We observed the type II-plateau SN 2005af using optical polarime…
Modeling the Structure of Hot Star Disks: a Critical Evaluation of the Viscous Decretion Scenario
A. C. Carciofi, J. E. Bjorkman, A. S. Miroshnichenko +2
We present self-consistent solutions for the disk structure of classical Be stars. Our disk model is hydrostatically supported in the vertical direction and the radial structure is…
Polarimetry and the Envelopes of Magellanic B[e] Supergiants
A. M. Magalhaes, R. Melgarejo, A. Pereyra +1
We discuss the nature of the circumstellar envelopes around the B[e] supergiants (B[e]SG) in the Magellanic Clouds (MC). Contrary to those in the Galaxy, the MC B[e]SG have a well…