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Multiwavelength Observations of A0620-00 in Quiescence
C. S. Froning, A. G. Cantrell, T. J. Maccarone +17
[Abridged.] We present multiwavelength observations of the black hole binary system, A0620-00. Using the Cosmic Origins Spectrograph on the Hubble Space Telescope, we have obtained…
Evidence for Cold Accretion: Primitive Gas Flowing onto a Galaxy at z~0.274
Joseph Ribaudo, Nicolas Lehner, J. Christopher Howk +5
We present UV and optical observations from the Cosmic Origins Spectrograph on the Hubble Space Telescope and Keck of a z= 0.27395 Lyman limit system (LLS) seen in absorption again…
Multiphase Gas In Galaxy Halos: The OVI Lyman-limit System toward J1009+0713
J. Tumlinson, J. K. Werk, C. Thom +6
We have serendipitously detected a strong O VI-bearing Lyman limit system at z_abs = 0.3558 toward the QSO J1009+0713 (z_em = 0.456) in our survey of low-redshift galaxy halos with…
Shining Light on Merging Galaxies I: The Ongoing Merger of a Quasar with a `Green Valley' Galaxy
Robert L. da Silva, J. Xavier Prochaska, David Rosario +2
Serendipitous observations of a pair z = 0.37 interacting galaxies (one hosting a quasar) show a massive gaseous bridge of material connecting the two objects. This bridge is photo…