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15 papers · 1 filter
Motives of quadric bundles
Johann Bouali
This article is about motives of quadric bundles. In the case of odd dimensional fibers and where the basis is of dimension two we give an explicit relative and absolute Chow-Künne…
Brackets in the Pontryagin algebras of manifolds
Gwenael Massuyeau, Vladimir Turaev
Given a smooth oriented manifold with non-empty boundary, we study the Pontryagin algebra where is the space of loops in based at a distinguished point o…
X-ray selected galaxy clusters in the Pan-STARRS Medium-Deep Survey
H. Ebeling, A. C. Edge, W. S. Burgett +6
[abridged] We present the results of a pilot study for the extended MACS survey (eMACS), a comprehensive search for distant, X-ray luminous galaxy clusters at z>0.5. Our pilot stud…
Star Formation Rates in Resolved Galaxies: Calibrations with Near and Far Infrared Data for NGC5055 and NGC6946
Yiming Li, Alison F. Crocker, Daniela Calzetti +21
We use the near--infrared Brγhydrogen recombination line as a reference star formation rate (SFR) indicator to test the validity and establish the calibration of the {\it Herschel}…
Characterizing the Cool KOIs. V. KOI-256: A Mutually Eclipsing Post-Common Envelope Binary
Philip S. Muirhead, Andrew Vanderburg, Avi Shporer +23
We report that Kepler Object of Interest 256 (KOI-256) is a mutually eclipsing post-common envelope binary (ePCEB), consisting of a cool white dwarf (M = 0.592 +/- 0.089 MSun, R =…
Calibrating High-Precision Faraday Rotation Measurements for LOFAR and the Next Generation of Low-Frequency Radio Telescopes
C. Sotomayor-Beltran, C. Sobey, J. W. T. Hessels +77
Faraday rotation measurements using the current and next generation of low-frequency radio telescopes will provide a powerful probe of astronomical magnetic fields. However, achiev…