Aaron T. Steffen, Ph.D.
Affiliations: | 2004 | University of Wisconsin, Madison, Madison, WI |
Area:
Astronomy and AstrophysicsGoogle:
"Aaron Steffen"Parents
Sign in to add mentor| Amy Josephine Barger | grad student | 2004 | UW Madison | |
| (A wide-field Chandra survey of the Lockman Hole.) | ||||
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Publications
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| Miller BP, Brandt WN, Schneider DP, et al. (2011) X-ray emission from optically selected radio-intermediate and radio-loud quasars Astrophysical Journal. 726 |
| Luo B, Bauer FE, Brandt WN, et al. (2008) The Chandra deep field-south survey: 2 Ms source catalogs Astrophysical Journal, Supplement Series. 179: 19-36 |
| Lehmer BD, Brandt WN, Alexander DM, et al. (2008) Tracing the mass-dependent star formation history of late-type galaxies using X-ray emission: Results from the chandra deep fields Astrophysical Journal. 681: 1163-1182 |
| Luo B, Brandt WN, Steffen AT, et al. (2008) Deep-survey constraints on X-ray outbursts from galactic nuclei Astrophysical Journal. 674: 122-132 |
| Steffen AT, Brandt WN, Alexander DM, et al. (2007) Chandra stacking constraints on the contribution of 24 μm Spitzer sources to the unresolved cosmic X-ray background Astrophysical Journal. 667 |
| Just DW, Brandt WN, Shemmer O, et al. (2007) The X-ray properties of the most luminous quasars from the sloan digital sky survey Astrophysical Journal. 665: 1004-1022 |
| Lehmer BD, Brandt WN, Alexander DM, et al. (2007) The X-ray evolution of early-type galaxies in the extended chandra deep field-south Astrophysical Journal. 657: 681-699 |
| Steffen AT, Strateva I, Brandt WN, et al. (2006) The X-ray-to-optical properties of optically selected active galaxies over wide luminosity and redshift ranges Astronomical Journal. 131: 2826-2842 |
| Lehmer BD, Brandt WN, Hornschemeier AE, et al. (2006) The properties and redshift evolution of intermediate-luminosity off-nuclear X-ray sources in the chandra deep fields Astronomical Journal. 131: 2394-2405 |
| Barger AJ, Cowie LL, Mushotzky RF, et al. (2005) The cosmic evolution of hard X-ray-selected active galactic nuclei Astronomical Journal. 129: 578-609 |