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249 papers · 2 filters
The Orion Nebula in the mid-IR
M. Robberto, S. V. W. Beckwith, N. Panagia +6
We present two wide-field (5'x5'), diffraction limited, broad-band 10 and 20 micron images of the Orion Nebula, plus six 7-13 micron narrow-band images of BN/KL taken at the 3.8m U…
The Discovery of Primeval Large-Scale Structures with Forming Clusters at Redshift 6
M. Ouchi, K. Shimasaku, M. Akiyama +13
We report the discovery of primeval large-scale structures (LSSs) including two proto-clusters in a forming phase at z=5.7. We carried out extensive deep narrow-band imaging in the…
Estimating Photometric Redshifts Using Support Vector Machines
Yogesh Wadadekar
We present a new approach to obtaining photometric redshifts using a kernel learning technique called Support Vector Machines (SVMs). Unlike traditional spectral energy distributio…
The Halo, Hot Spots and Jet/Cloud Interaction of PKS 2153--69
A. J. Young, A. S. Wilson, S. J. Tingay +1
We report Chandra X-ray Observatory and 1.4 GHz Australian Long Baseline Array (LBA) observations of the radio galaxy PKS 2153--69 and its environment. The Chandra image reveals a…
XMM-Newton Detection of Hot Gas in the Eskimo Nebula: Shocked Stellar Wind or Collimated Outflows?
M. A. Guerrero, Y. -H. Chu, R. A. Gruendl +1
The Eskimo Nebula (NGC 2392) is a double-shell planetary nebula (PN) known for the exceptionally large expansion velocity of its inner shell, ~90 km/s, and the existence of a fast…
The Far Ultraviolet Spectrum of Z Cam in Quiescence
Louise Hartley, Knox S. Long, Cynthia S. Froning +1
We have obtained Far Ultraviolet Spectroscopic Explorer (905-1187 Angstrom) spectra of the non-magnetic cataclysmic variable Z Cam during a period of quiescence. The spectrum resem…