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Near-Infrared Integral Field Spectroscopy of Star-Forming Galaxies
Daniel A. Dale, Helene Roussel, Alessandra Contursi +9
The Palomar Integral Field Spectrograph was used to probe a variety of environments in nine nearby galaxies that span a range of morphological types, luminosities, metallicities, a…
Nascent starbursts in synchrotron-deficient galaxies with hot dust
H. Roussel, G. Helou, R. Beck +4
Three nearby galaxies which have abnormally high infrared to radio continuum ratios, NGC 1377, IC 1953 and NGC 4491, are investigated with a view to understanding the physical orig…
High Spatial Resolution Mid-infrared Observations of Three Seyfert Galaxies
B. T. Soifer, J. J. Bock, K. Marsh +4
Images at 12.5 microns of nuclei of three nearby Seyfert galaxies -- NGC 1275, NGC 4151 and NGC 7469 -- have been obtained with the Keck 10-m Telescope. NGC 7469 is resolved and de…
A Search for Close Binaries in the Rho Ophiuchus Star-Forming Region
M. Barsony, C. Koresko, K. Matthews
We have carried out a new, near-infrared speckle imaging survey of 19 members of the young stellar population in the nearby (d=140 pc), Rho Ophiuchi cloud core. Results for four bi…
The Compact Nucleus of the Deep Silicate Absorption Galaxy NGC 4418
A. S. Evans, E. E. Becklin, N. Z. Scoville +6
High resolution, Hubble Space Telescope (HST) near-infrared and Keck mid-infrared images of the heavily extinguished, infrared luminous galaxy NGC 4418 are presented. These data ma…
Discovery of Early Optical Emission from GRB 021211
D. W. Fox, P. A. Price, A. M. Soderberg +11
We report our discovery and early time optical, near-infrared, and radio wavelength follow-up observations of the afterglow of the gamma-ray burst GRB 021211. Our optical observati…