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65 papers · 1 filter
You Can't Get There From Here: Hubble Relaxation in the Local Volume
Alan B. Whiting
A beginning end-point for galaxy motions within the 10-Mpc Local Volume is constructed by requiring a smooth distribution of (luminous) mass at the time of recombination, which is…
Spatially-resolved mid-infrared spectroscopy of NGC 1068: the nature and distribution of the nuclear material
R. E. Mason, T. R. Geballe, C. Packham +4
We present spatially-resolved, near-diffraction-limited 10 micron spectra of the nucleus of the Seyfert 2 galaxy NGC 1068, obtained with Michelle, the mid-IR imager and spectromete…
An Optical Study of Stellar and Interstellar Environments of Seven Luminous and Ultraluminous X-Ray Sources
Caitlin J. Ramsey, Rosa M. Williams, Robert A. Gruendl +3
We have studied the stellar and interstellar environments of two luminous X-ray sources and five ultraluminous X-ray sources (ULXs) in order to gain insight into their nature. Arch…
The Space Interferometry Mission Astrometric Grid Giant-Star Survey. I. Stellar Parameters and Radial Velocity Variability
Dmitry Bizyaev, Verne V. Smith, Jose Arenas +7
We present results from a campaign of multiple epoch echelle spectroscopy of relatively faint (V = 9.5-13.5 mag) red giants observed as potential astrometric grid stars for the Spa…
Far-flung Filaments of Ejecta in the Young Supernova Remnant G292.0+1.8
P. Frank Winkler, Knox S. Long
New optical images of the young SNR G292.0+1.8, obtained from the 0.9-m telescope at CTIO, show a more extensive network of filaments than had been known previously. Filaments emit…
The Carnegie Supernova Project: The Low-Redshift Survey
Mario Hamuy, Gastón Folatelli, Nidia I. Morrell +15
Supernovae are essential to understanding the chemical evolution of the Universe. Type Ia supernovae also provide the most powerful observational tool currently available for study…