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6 papers
Constraining the lifetime and opening angle of quasars using fluorescent Lyman emission: the case of Q0420-388
Elena Borisova, Simon J. Lilly, Sebastiano Cantalupo +3
A toy model is developed to understand how the spatial distribution of fluorescent emitters in the vicinity of bright quasars could be affected by the geometry of the quasar bi-con…
A measurement of galaxy halo mass from the surrounding HI Lyα absorption
Olivera Rakic, Joop Schaye, Charles C. Steidel +3
We measure the dark matter halo masses of z~2.36 UV color-selected star-forming galaxies by matching the observed median HI Lyα absorption around them, as observed in the spectra o…
The Gaseous Environment of High-z Galaxies: Precision Measurements of Neutral Hydrogen in the Circumgalactic Medium of z ~ 2-3 Galaxies in the Keck Baryonic Structure Survey
Gwen C. Rudie, Charles C. Steidel, Ryan F. Trainor +7
We present results from the Keck Baryonic Structure Survey (KBSS), a unique spectroscopic survey designed to explore the connection between galaxies and intergalactic baryons. The…
Neutral hydrogen optical depth near star-forming galaxies at z~2.4 in the Keck Baryonic Structure Survey
Olivera Rakic, Joop Schaye, Charles C. Steidel +1
[Abridged] We study the interface between galaxies and the intergalactic medium by measuring the absorption by neutral hydrogen in the vicinity of star-forming galaxies at z~2.4. O…
Calibrating Galaxy Redshifts Using Absorption by the Surrounding Intergalactic Medium
Olivera Rakic, Joop Schaye, Charles C. Steidel +1
Rest-frame UV spectral lines of star-forming galaxies are systematically offset from the galaxies' systemic redshifts, probably because of large-scale outflows. We calibrate galaxy…
The Structure and Kinematics of the Circum-Galactic Medium from Far-UV Spectra of z~2-3 Galaxies
C. C. Steidel, D. K. Erb, A. E. Shapley +5
We present new results on the kinematics and spatial distribution of metal-enriched gas within 125 kpc (physical) of Lyman Break galaxies at redshifts z~2-3. In particular, we demo…