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59 papers
Multiwavelength Observations of Sgr A*. II. 2019 July 21 and 26
Joseph M. Michail, Farhad Yusef-Zadeh, Mark Wardle +6
We report on the final two days of a multiwavelength campaign of Sgr A* observing in the radio, submillimeter, infrared, and X-ray bands in July 2019. Sgr A* was remarkably active,…
Mid-infrared spectroscopy of the Andromeda galaxy
D. Hemachandra, P. Barmby, E. Peeters +6
We present Spitzer/Infrared Spectrograph (IRS) 5-21 micron spectroscopic maps towards 12 regions in the Andromeda galaxy (M31). These regions include the nucleus, bulge, an active…
The Bright End of the z~9 and z~10 UV Luminosity Functions using all five CANDELS Fields
R. J. Bouwens, P. A. Oesch, I. Labbe +14
The deep, wide-area (~800-900 arcmin**2) near-infrared/WFC3/IR + Spitzer/IRAC observations over the CANDELS fields have been a remarkable resource for constraining the bright end o…
Star formation in z>1 3CR host galaxies as seen by Herschel
P. Podigachoski, P. D. Barthel, M. Haas +15
We present Herschel (PACS and SPIRE) far-infrared (FIR) photometry of a complete sample of z>1 3CR sources, from the Herschel GT project The Herschel Legacy of distant radio-loud A…
The Hawk-I UDS and GOODS Survey (HUGS): Survey design and deep K-band number counts
A. Fontana, J. S. Dunlop, D. Paris +40
We present the results of a new, ultra-deep, near-infrared imaging survey executed with the Hawk-I imager at the ESO VLT, of which we make all the data public. This survey, named H…
Spitzer/IRAC Observations of the Variability of Sgr A* and the Object G2 at 4.5 microns
J. L. Hora, G. Witzel, M. L. N. Ashby +9
We present the first detection from the Spitzer Space Telescope of 4.5 micron variability from Sgr A*, the emitting source associated with the Milky Way's central black hole. The >…