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Low Mass Pre-Main Sequence stars in the Large Magellanic Cloud - II: HST-WFPC2 observations of two fields in the 30 Doradus region
Martino Romaniello, Salvatore Scuderi, Nino Panagia +2
As a part of an ongoing effort to characterise the young stellar populations in the Large Magellanic Cloud, we present HST-WFPC2 broad and narrow band imaging of two fields with re…
Morphology and evolution of emission line galaxies in the Hubble Ultra Deep Field
N. Pirzkal, C. Xu, I. Ferreras +8
We investigate the properties and evolution of a sample of galaxies selected to have prominent emission lines in low-resolution grism spectra of the Hubble Ultra Deep Field (HUDF).…
Detection of a massive dust shell around the Type II supernova SN 2002hh
M. J. Barlow, B. E. K. Sugerman, J. Fabbri +11
Dust emission from the Type II supernova SN 2002hh in NGC 6946 has been detected at mid-infrared wavelengths by the Spitzer Space Telescope from 590 to 758 days after outburst and…
VLT-FORS1 Imaging Polarimetry of M83 (NGC 5236) - I. Search for Light Echoes from Historical Supernovae
Martino Romaniello, Ferdinando Patat, Nino Panagia +3
We have used FORS1 at the ESO VLT to search for light echoes in imaging polarimetry from four historical supernovae in the face-on nearby spiral galaxy M83 (NGC 5236). No echoes we…
Limits from the Hubble Space Telescope on a Point Source in SN 1987A
G. J. M. Graves, P. M. Challis, R. A. Chevalier +16
We observed supernova 1987A (SN 1987A) with the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Telescope (HST) in 1999 September, and again with the Advanced Camer…
Why Are Radio-Galaxies Prolific Producers of Type Ia Supernovae?
M. Della Valle, N. Panagia, P. Padovani +3
An analysis of SNIa events in early type galaxies from the Cappellaro et al (1999) database provides conclusive evidence that the rate of type Ia Supernovae (SNe) in radio-loud gal…