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Discovery of a very highly extinguished supernova in a luminous infrared galaxy
E. Kankare, S. Mattila, S. Ryder +9
We report the discovery of a confirmed supernova (SN) and a supernova-candidate in near-infrared images from the ALTAIR/NIRI adaptive optics system on the Gemini-North Telescope an…
Understanding the 8 micron vs. Pa-alpha relationship on sub-arcsecond scales in Luminous Infrared Galaxies
Tanio Diaz-Santos, Almudena Alonso-Herrero, Luis Colina +3
This work explores in detail the relation between the 8 micron and the Pa-alpha emissions for 122 HII regions identified in a sample of 10 low-z LIRGs with nearly constant metallic…
Optical detection of the radio supernova SN 2000ft in the circumnuclear region of the luminous infrared galaxy NGC 7469
L. Colina, T. Diaz-Santos, A. Alonso-Herrero +4
SN 2000ft is detected in two independent Planetary Camera images (F547W and F814W) taken May 13, 2000, about two months before the predicted date of the explosion (July 19, 2000),…
Resolving the Stellar Populations in the Circumnuclear Ring of NGC 7469
Tanio Diaz-Santos, Almudena Alonso-Herrero, Luis Colina +2
We investigate the stellar populations in the star forming ring of the luminous infrared galaxy NGC 7469. We use Hubble Space Telescope multi-wavelength (UV through NIR) imaging co…
High spatial resolution T-ReCS mid-infrared imaging of Luminous Infrared Galaxies
A. Alonso-Herrero, L. Colina, C. Packham +4
We present diffraction-limited (FWHM ~ 0.3arcsec) Gemini/T-ReCS mid-infrared (MIR: N-band or narrow-band at 8.7micron) imaging of four Luminous Infrared Galaxies (LIRGs) drawn from…