George D. Becker

educated at: California Institute of Technology

occupation: astronomer

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Articles 60

Date

Title

Authors

2019-02-14

Revealing Reionization with the Thermal History of the Intergalactic Medium: New Constraints from the Lyα Flux Power Spectrum

George D. Becker, James S. Bolton
2018-08-14

Evidence for Large-scale Fluctuations in the Metagalactic Ionizing Background Near Redshift Six

Craig Douglass, George D. Becker
2018-06-22

Determining the Nature of Late Gunn–Peterson Troughs with Galaxy Surveys

George D. Becker
2017-07-20

First Constraints on Fuzzy Dark Matter from Lyman-α Forest Data and Hydrodynamical Simulations.

Vid Iršič, James S. Bolton, George D. Becker
2017-05-19

Cosmic Reionization on Computers: Properties of the Post-reionization IGM

Xiaohui Fan, George D. Becker
2017-11-07

A new measurement of the intergalactic temperature at z ∼ 2.55–2.95

Robert F. Carswell, James S. Bolton, Michael T. Murphy, George D. Becker
2017-07-19

New constraints on the free-streaming of warm dark matter from intermediate and small scale Lyman- α forest data

Vid Iršič, James S. Bolton, Guido Cupani, Lise Christensen, Sara Ellison, George D. Becker, Stefano Cristiani
2017

Observations of the Lyman series forest towards the redshift 7.1 quasar ULAS J1120+0641

George D. Becker
2017

A deep search for metals near redshift 7: the line of sight towards ULAS J1120+0641

George D. Becker
2016-07-25

Nature and statistical properties of quasar associated absorption systems in the XQ-100 Legacy Survey

Guido Cupani, Lise Christensen, Marianne Vestergaard, J. Xavier Prochaska, George D. Becker
2016-10

XQ-100: A legacy survey of one hundred 3.5 ≲z≲ 4.5 quasars observed with VLT/X-shooter

Vid Iršič, Rubén Sánchez-Ramírez, Guido Cupani, Lise Christensen, Marianne Vestergaard, Martin Haehnelt, J. Xavier Prochaska, Miroslava Dessauges, George D. Becker
2016-01-22

The evolution of neutral gas in damped Lyman α systems from the XQ-100 survey

Rubén Sánchez-Ramírez, Guido Cupani, Gabor Worseck, Lise Christensen, J. Xavier Prochaska, George D. Becker
2016-11-12

Exploring the thermal state of the low-density intergalactic medium atz = 3 with an ultrahigh signal-to-noise QSO spectrum

Guido Cupani, George D. Becker, Robert F. Carswell, James S. Bolton
2016-12-31

The Lyman-alpha forest power spectrum from the XQ-100 Legacy Survey

Vid Iršič, James S. Bolton, Guido Cupani, Lise Christensen, Sara Ellison, George D. Becker, Stefano Cristiani
2016-08-25

Inferring the IGM thermal history during reionization with the Lyman α forest power spectrum at redshiftz≃ 5

James S. Bolton, George D. Becker
2016-08-26

Metals in thez∼ 3 intergalactic medium: results from an ultra-high signal-to-noise ratio UVES quasar spectrum

Guido Cupani, Fabio Fontanot, Valentina D'Odorico, Jordi Miralda-Escudé, George D. Becker, Robert F. Carswell
2016

Stellar population effects on the inferred photon density at reionization

George D. Becker
2016

Observational aspects of galactic accretion at redshift 3.3

George D. Becker
2015-10-28

DES J0454-4448: discovery of the first luminous z >= 6 quasar from the Dark Energy Survey

Manda Banerji, Daniel Gruen, Paul Martini, Eric Suchyta, Eusebio Sanchez, Douglas Tucker, Daniel Thomas, Michael Schubnell, Joseph Mohr, George D. Becker
2015-04-30

Unveiling the secrets of metallicity and massive star formation using DLAs along gamma-ray bursts

J. Xavier Prochaska, Marc Rafelski, George D. Becker, Antonino Cucchiara
2015-07-02

The neutral hydrogen cosmological mass density atz= 5

Avery Meiksin, Michele Fumagalli, Michael T. Murphy, J. Xavier Prochaska, John M. O'Meara, Marc Rafelski, George D. Becker
2015-12-10

Constraining the temperature–density relation of the intergalactic medium with the Lyman α and β forests

James S. Bolton, Michael T. Murphy, George D. Becker
2015

Reionisation and High-Redshift Galaxies: The View from Quasar Absorption Lines

James S. Bolton, George D. Becker, Adam Lidz
2015-05-20

The photoheating of the intergalactic medium in synthesis models of the UV background

James S. Bolton, Piero Madau, George D. Becker
2015-01-22

Evidence of patchy hydrogen reionization from an extreme Lyα trough below redshift six

James S. Bolton, Max Pettini, Piero Madau, George D. Becker
2015

Re-examining the case for neutral gas near the redshift 7 quasar ULAS J1120+0641

George D. Becker
2014-10-14

The Giant Gemini GMOS survey of zem > 4.4 quasars – I. Measuring the mean free path across cosmic time

Sebastian Lopez, Avery Meiksin, Michele Fumagalli, Michael T. Murphy, J. Xavier Prochaska, John M. O'Meara, George D. Becker
2014-05-15

The thermal history of the intergalactic medium down to redshift z = 1.5: a new curvature measurement

George D. Becker, James S. Bolton
2014-01-09

A consistent determination of the temperature of the intergalactic medium at redshift 〈z〉 = 2.4

James S. Bolton, Matteo Viel, George D. Becker
2014

Star-forming galactic contrails as a source of metal enrichment and ionizing radiation at high redshift

George D. Becker
2014

Testing metallicity indicators at z ~ 1.4 with the gravitationally lensed galaxy CASSOWARY 20

Alice E. Shapley, George D. Becker
2013-02-09

A refined measurement of the mean transmitted flux in the Lyα forest over 2 < z < 5 using composite quasar spectra

J. Xavier Prochaska, George D. Becker

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