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5 papers · 1 filter
A Search for OB Associations Near Southern Long-Period Cepheids. V. AQ Puppis and V620 Puppis
David G. Turner, Sidney van den Bergh, Frank Younger +3
A photometric UBV survey is presented for 610 stars in a region surrounding the Cepheid AQ Puppis and centered southwest of the variable, based upon photoelectric measures for 14 s…
X-ray Binaries in the Ultrahigh Encounter Rate Globular Cluster NGC 6388
J. Edward Maxwell, Phyllis M. Lugger, Haldan N. Cohn +5
We report the results of a joint \chandra-\hst study of the X-ray binary population in the massive, high-density globular cluster NGC 6388. NGC 6388 has one of the highest predicte…
Evidence of Galaxy Cluster Motions with the Kinematic Sunyaev-Zel'dovich Effect
Nick Hand, Graeme E. Addison, Eric Aubourg +55
Using high-resolution microwave sky maps made by the Atacama Cosmology Telescope, we for the first time present strong evidence for motions of galaxy clusters and groups via microw…
Ensemble Properties of Comets in the Sloan Digital Sky Survey
Michael Solontoi, Zeljko Ivezic, Mario Juric +10
We present the ensemble properties of 31 comets (27 resolved and 4 unresolved) observed by the Sloan Digital Sky Survey (SDSS). This sample of comets represents about 1 comet per 1…
Observational Probes of Cosmic Acceleration
David H. Weinberg, Michael J. Mortonson, Daniel J. Eisenstein +3
The accelerating expansion of the universe is the most surprising cosmological discovery in many decades, implying that the universe is dominated by some form of "dark energy" with…