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231 papers · 1 filter
Kepler Eclipsing Binary Stars. VII. The Catalog of Eclipsing Binaries Found in the Entire Kepler Data-Set
Brian Kirk, Kyle Conroy, Andrej Prša +47
The primary Kepler Mission provided nearly continuous monitoring of ~200,000 objects with unprecedented photometric precision. We present the final catalog of eclipsing binary syst…
A New Perspective of the Radio Bright Zone at The Galactic Center: Feedback from Nuclear Activities
Jun-Hui Zhao, Mark R. Morris, W. M. Goss
New observations of Sgr A have been carried out with the VLA using the broadband (2 GHz) continuum mode at 5.5 GHz, covering the central 30 pc region of the RBZ at the Galactic cen…
A multi-wavelength analysis for interferometric (sub-)mm observations of protoplanetary disks: radial constraints on the dust properties and the disk structure
M. Tazzari, L. Testi, B. Ercolano +20
Theoretical models of grain growth predict dust properties to change as a function of protoplanetary disk radius, mass, age and other physical conditions. We lay down the methodolo…
On the Metallicity and Origin of the Smith High-Velocity Cloud
Andrew J. Fox, Nicolas Lehner, Felix J. Lockman +7
The Smith Cloud is a gaseous high-velocity cloud (HVC) in an advanced state of accretion, only 2.9 kpc below the Galactic plane and due to impact the disk in 27 Myr. It is unique a…
Origin of the Metallicity Distribution in the Thick Disc
Maider S. Miranda, Kate Pilkington, Brad K. Gibson +9
Aims. Using a suite of cosmological chemodynamical disc galaxy simulations, we assess how (a) radial metallicity gradients evolve with scaleheight; (b) the vertical metallicity gra…
Gamma rays from the quasar PKS 1441+25: story of an escape
A. U. Abeysekara, S. Archambault, A. Archer +103
Outbursts from gamma-ray quasars provide insights on the relativistic jets of active galactic nuclei and constraints on the diffuse radiation fields that fill the Universe. The det…