OS
Ohad Shemmer
astro-ph.GAastro-ph.COastro-ph.HEastro-phastro-ph.IMastro-ph.EPastro-ph.SR
On Valency
published · living versionsW_qpybb2aj·v1 · currentpublished
Science-Driven Optimization of the LSST Observing Strategy
with LSST Science Collaboration, Phil Marshall, Timo Anguita, Federica B. Bianco +100
1 version
W_k9wqusn5·v1published
W_f2gcv98u·v1published
Preprints & journals
102 papers in the corpus · 1999–2026Pushing Variability Searches to Extreme Dwarf Galaxies with the Vera C. Rubin Observatory Data Preview 22610.10755v1 · Fan Zou, W. N. Brandt, Elena Gallo et al.2026 · 0 citationsarXiv
Systematic Monitoring of Extreme X-ray Variability from Weak-line Quasars2603.24673v2 · Madison Reich, W. N. Brandt, Bin Luo et al.2026 · 0 citationsarXiv
Gemini Near Infrared SpectrographDistant Quasar Survey: the Chandra View2507.22272v1 · Andrea Marlar, Ohad Shemmer, Michael S. Brotherton et al.2025 · 0 citationsarXiv
Exploring the Spectral Energy Distributions of Luminous Broad Absorption Line Quasars at High Redshift2504.03959v1 · Harum Ahmed, Sarah C. Gallagher, Ohad Shemmer et al.2025 · 3 citationsarXiv
Intervening nuclear obscuration changing the X-ray look of the QSO CFHQS J164121+3755202501.12449v2 · Fabio Vito, William Nielsen Brandt, Andrea Comastri et al.2025 · 1 citationA&A 694, L16 (2025)
Rest-Frame Optical Spectroscopy of Ten z 2 Weak Emission-Line Quasars2407.03422v1 · Ying Chen, Bin Luo, W. N. Brandt et al.2024 · 0 citationsarXiv
Gemini Near Infrared Spectrograph -- Distant Quasar Survey: Rest-Frame Ultraviolet-Optical Spectral Properties of Broad Absorption Line Quasars2404.12343v1 · Harum Ahmed, Ohad Shemmer, Brandon Matthews et al.2024 · 5 citationsarXiv
X-ray properties of reverberation-mapped AGNs with super-Eddington accreting massive black holes2401.07895v1 · Jaya Maithil, Michael S. Brotherton, Ohad Shemmer et al.2024 · 7 citationsarXiv
Searching for the Role of Mergers in Fast and Early SMBH Growth: Morphological Decomposition of Quasars and Their Hosts at 2307.15241v1 · Marcus O. Thomas, Ohad Shemmer, Benny Trakhtenbrot et al.2023 · 0 citationsarXiv
Gemini Near Infrared Spectrograph -- Distant Quasar Survey: Augmented Spectroscopic Catalog and a Prescription for Correcting UV-Based Quasar Redshifts2304.09964v1 · Brandon M. Matthews, Cooper Dix, Ohad Shemmer et al.2023 · 14 citationsarXiv
Shedding New Light on Weak Emission-Line Quasars in the C-H Parameter Space2304.04783v1 · Trung Ha, Cooper Dix, Brandon M. Matthews et al.2023 · 13 citationsarXiv
Gemini Near Infrared Spectrograph - Distant Quasar Survey: Prescriptions for Calibrating UV-Based Estimates of Supermassive Black Hole Masses in High-Redshift Quasars2304.02142v1 · Cooper Dix, Brandon Matthews, Ohad Shemmer et al.2023 · 8 citationsarXiv
X-ray Unveiling Events in a z~1.6 Active Galactic Nucleus in the 7 Ms Chandra Deep Field-South2303.03438v1 · Li-Ming Yu, Bin Luo, William N. Brandt et al.2023 · 3 citationsarXiv
The universal shape of the X-ray variability power spectrum of AGN up to 2302.08524v1 · M. Paolillo, I. E. Papadakis, W.N. Brandt et al.2023 · 16 citationsA&A 673, A68 (2023)
Systematically smaller single-epoch quasar black hole masses using a radius-luminosity relationship corrected for spectral bias2206.11486v1 · Jaya Maithil, Michael S. Brotherton, Ohad Shemmer et al.2022 · 20 citationsarXiv
An X-ray fading, UV brightening QSO at 2206.05303v1 · Fabio Vito, Marco Mignoli, Roberto Gilli et al.2022 · 9 citationsA&A 663, A159 (2022)
Can X-ray Observations Improve Optical-UV-based Accretion-Rate Estimates for Quasars?2203.16671v1 · Andrea Marlar, Ohad Shemmer, Michael S. Brotherton et al.2022 · 4 citationsarXiv
Connecting Low- and High-Redshift Weak Emission-Line Quasars via HST Spectroscopy of Ly Emission2203.03817v1 · Jeremiah D. Paul, Richard M. Plotkin, Ohad Shemmer et al.2022 · 15 citationsApJ 929 78 (2022)
Sensitive Chandra coverage of a representative sample of weak-line quasars: revealing the full range of X-ray properties2202.05279v1 · Q. Ni, W. N. Brandt, B. Luo et al.2022 · 34 citationsarXiv
Exploratory X-Ray Monitoring of Luminous Radio-Quiet Quasars at High Redshift: Extended Time-Series Analyses and Stacked Imaging Spectroscopy2110.07065v1 · Marcus O. Thomas, Ohad Shemmer, W.N. Brandt et al.2021 · 2 citationsarXiv
Optimization of the Observing Cadence for the Rubin Observatory Legacy Survey of Space and Time: a pioneering process of community-focused experimental design2108.01683v2 · Federica B. Bianco, Zeljko Ivezi'c, R. Lynne Jones et al.2021 · 148 citationsarXiv
The XMM-SERVS survey: XMM-Newton point-source catalogs for the W-CDF-S and ELAIS-S1 fields2106.10572v1 · Q. Ni, W. N. Brandt, C.-T. Chen et al.2021 · 47 citationsarXiv
A Novel Test of Quasar Orientation2106.02633v1 · Gordon T. Richards, Richard M. Plotkin, Paul C. Hewett et al.2021 · 4 citationsarXiv
Best Practices for Data Publication in the Astronomical Literature2106.01477v2 · Tracy X. Chen, Marion Schmitz, Joseph M. Mazzarella et al.2021 · 20 citationsarXiv
Taking a Long Look: A Two-Decade Reverberation Mapping Study of High-Luminosity Quasars2106.00691v1 · Shai Kaspi, W. N. Brandt, Dan Maoz et al.2021 · 46 citationsarXiv
Chandra and Magellan/FIRE follow-up observations of PSO167-13: an X-ray weak QSO at 2103.06901v1 · Fabio Vito, William Nielsen Brandt, Federica Ricci et al.2021 · 21 citationsA&A 649, A133 (2021)
On the Observational Difference Between the Accretion Disk-Corona Connections among Super- and Sub-Eddington Accreting Active Galactic Nuclei2102.02832v1 · Hezhen Liu, B. Luo, W. N. Brandt et al.2021 · 68 citationsarXiv
Placing High-Redshift Quasars in Perspective: a Catalog of Spectroscopic Properties from the Gemini Near Infrared Spectrograph -- Distant Quasar Survey2011.10895v1 · Brandon M. Matthews, Ohad Shemmer, Cooper Dix et al.2020 · 26 citationsarXiv
The X-ray properties of quasars: no evident evolution of accretion physics in the first Gyr of the Universe1908.09849v1 · Fabio Vito, William Nielsen Brandt, Franz Erik Bauer et al.2019 · 104 citationsA&A 630, A118 (2019)
Discovery of the first heavily obscured QSO candidate at in a close galaxy pair1906.04241v2 · Fabio Vito, William Nielsen Brandt, Franz Erik Bauer et al.2019 · 40 citationsA&A 628, L6 (2019)
SDSS J075101.42+291419.1: A Super-Eddington Accreting Quasar with Extreme X-ray Variability1904.12876v1 · Hezhen Liu, B. Luo, W. N. Brandt et al.2019 · 28 citationsarXiv
Active Galaxy Science in the LSST Deep-Drilling Fields: Footprints, Cadence Requirements, and Total-Depth Requirements1811.06542v2 · W.N. Brandt (Penn State), Q. Ni, G. Yang et al.2018 · 17 citationsarXiv
Steep Hard-X-ray Spectra Indicate Extremely High Accretion Rates in Weak Emission-Line Quasars1808.01306v1 · Andrea Marlar, Ohad Shemmer, S.F. Anderson et al.2018 · 27 citationsarXiv
Connecting the X-ray properties of weak-line and typical quasars: testing for a geometrically thick accretion disk1807.08757v2 · Qingling Ni, W. N. Brandt, B. Luo et al.2018 · 57 citationsarXiv
No evidence for an Eddington-ratio dependence of X-ray weakness in BALQSOs1807.03868v1 · Fabio Vito, William Nielsen Brandt, Bin Luo et al.2018 · 11 citationsarXiv
The XMM-SERVS survey: new XMM-Newton point-source catalog for the XMM-LSS field1804.07763v1 · C.-T.J. Chen (Penn State), W.N. Brandt (Penn State), B. Luo (Nanjing) et al.2018 · 97 citationsarXiv
Fast-growing SMBHs in Fast-growing Galaxies, at High Redshifts: the Role of Major Mergers as Revealed by ALMA1801.01508v1 · Benny Trakhtenbrot, Paulina Lira, Hagai Netzer et al.2018 · 8 citationsFrontiers in Astronomy and Space Sciences, 4, 49 (2017)
High-redshift AGN in the Chandra Deep Fields: the obscured fraction and space density of the sub- population1709.07892v1 · F. Vito, W.N. Brandt, G. Yang et al.2017 · 168 citationsarXiv
Science-Driven Optimization of the LSST Observing Strategy1708.04058v1 · LSST Science Collaborations: Phil Marshall, Timo Anguita, Federica B. Bianco et al.2017 · 115 citationsarXivon Valency
Tracing the accretion history of supermassive Black Holes through X-ray variability: results from the Chandra Deep Field-South1707.05332v2 · M. Paolillo, I. Papadakis, W. N. Brandt et al.2017 · 64 citationsarXiv
AGN feedback on molecular gas reservoirs in quasars at $z\sim$2.41706.08987v2 · S. Carniani, A. Marconi, R. Maiolino et al.2017 · 55 citationsA&A 605, A105 (2017)
Black-Hole Growth is Mainly Linked to Host-Galaxy Stellar Mass rather than Star Formation Rate1704.06658v2 · G. Yang, C.-T. J. Chen, F. Vito et al.2017 · 89 citationsarXiv
A New, Faint Population of X-ray Transients1702.04422v1 · F. E. Bauer, E. Treister, K. Schawinski et al.2017 · 92 citationsarXivon Valency
ALMA Observations Show Major Mergers Among the Host Galaxies of Fast-growing, High-redshift Supermassive Black Holes1612.00010v3 · Benny Trakhtenbrot, Paulina Lira, Hagai Netzer et al.2016 · 129 citationsApJ, 836, 8 (February 2017)
The Chandra Deep Field-South Survey: 7 Ms Source Catalogs1611.03501v2 · B. Luo, W. N. Brandt, Y. Q. Xue et al.2016 · 522 citationsarXiv
Long-Term X-ray Variability of Typical Active Galactic Nuclei in the Distant Universe1608.08224v1 · G. Yang, W. Brandt, B. Luo et al.2016 · 83 citationsarXiv
The deepest X-ray view of high-redshift galaxies: constraints on low-rate black-hole accretion1608.02614v1 · Fabio Vito, Roberto Gilli, Cristian Vignali et al.2016 · 76 citationsarXiv
The Evolution of Normal Galaxy X-ray Emission Through Cosmic History: Constraints from the 6 Ms Chandra Deep Field-South1604.06461v1 · B.D. Lehmer, A.R. Basu-Zych, S. Mineo et al.2016 · 229 citationsarXiv
Fast outflows and star formation quenching in quasar host galaxies1604.04290v2 · S. Carniani, A. Marconi, R. Maiolino et al.2016 · 146 citationsA&A 591, A28 (2016)
Star formation black hole growth and dusty tori in the most luminous AGNs at z=2-3.51511.07876v2 · Hagai Netzer, Caterina Lani, Raanan Nordon et al.2015 · 94 citationsarXiv
Career total: 233 works. 102 are in this corpus.Showing the 50 most recent.
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