Dr. Jack Singal

"Redshift Prediction with Images for Cosmology using a Bayesian Convolutional Neural Network with Conformal Predictions." E. Jones, T. Do, Y. Li, K. Alfaro, J. Singal, & B. Boscoe, 2024, The Astrophysical Journal (ApJ), 974, 159 

"Constraints on the Origin of the Radio Synchrotron Background via Angular Correlations." E. Todarello, M. Regis, F. Bianchini, J. Singal, E. Branchini, F. Cowie, S. Heston, S. Horiuchi, D. Lucero and A. Offringa, 2024, Monthly Notices of the Royal Astronomical Society (MNRAS), 530, 2994

“Diffuse Sources, Clustering, and the Excess Anisotropy of the Radio Synchrotron Background.” F.J. Cowie, A.R. Offringa, B. Gehlot, J. Singal, S. Heston, S. Horiuchi, and D.M. Lucero, 2023, MNRAS, 523, 5034

“The Second Radio Synchrotron Background Workshop: Conference Summary and Report.” J. Singal, N. Fornengo, M. Regis, + 24 co-authors, 2023, PASP, 135, 136001

“Can the Distance-Redshift Relation Be Determined from the Correlations Between Luminosities.” V. Petrosian, J. Singal, and S. Mutchnick, 2022, Astrophysical Journal Letters (ApJL), 935, L19

“The X-ray Luminosity Function Evolution of Quasars and the Correlation Between the X-ray and Ultraviolet Luminosities." J. Singal, S. Mutchnick, and V. Petrosian, 2022, ApJ, 932, 111

"Machine Learning Classification to Identify Catastrophic Outlier Photometric Redshift Estimates.”  J. Singal, G. Silverman, E. Jones, T. Do, B. Boscoe, and Y. Wan, 2022, ApJ, 928, 6

"Photometric Redshifts for Cosmology: Improving Accuracy and Uncertainty Estimates Using Bayesian Neural Networks.” E. Jones, T. Do, Y. Wan, Z. Nguyen, B. Boscoe, and J. Singal, (in Machine Learning in the Physical Sciences NeurlPS 2021)

"Measurement of the Anisotropy Power Spectrum of the Radio Synchrotron Background.” A.R. Offringa, J. Singal, S. Heston, S. Horiuchi, and D.M. Lucero, 2021, MNRAS, 509, 114

“Outlier Prediction and Training Set Modification to Reduce Catastrophic Outlier Redshift Estimates in Large-scale Surveys.” M. Wyatt and J. Singal, 2021, PASP, 133, 044504

“Tests of Catastrophic Outlier Prediction in Empirical Photometric Redshift Estimation with Redshift Probability Distributions.” E. Jones and J. Singal, 2020, PASP, 132, 024501

Waveband Luminosity Correlations in Flux-Limited Multwavelength Data.” J. Singal, V. Petrosian, S. Malik, & J. Haider, 2019, ApJ, 877, 1

“The Radio Synchrotron Background: Conference Summary and Report.” J. Singal,  J. Haider, M. Ajello, D. R. Ballantyne, E. Bunn, J. Condon, J. Dowell, D. Fixsen, N. Fornengo, B. Harms, G. Holder, E. Jones, K. Kellermann, A. Kogut, T. Linden, R. Monsalve, P. Mertsch, E. Murphy, E. Orlando, M. Regis, D. Scott, T. Vernstrom, & L. Xu, 2018, PASP, 130, 985

Analysis of a Custom Support Vector Machine for Photometric Redshift Estimation and the Inclusion of Galaxy Shape Information.  E. Jones & J. Singal, 2017, A&A, 600, A113.

The Mid-Infrared Luminosity Evolution and Luminosity Function of Quasars with SDSS and WISE.  J. Singal, J. George, and A. Gerber, 2016, ApJ, 831, 60

A Determination of the Gamma-ray Flux and Photon Spectral Index Distributions of Blazars from the Fermi-LAT 3LAC.  J. Singal, 2015, MNRAS, 115, 122

Axial Ratio of Edge-On Spiral Galaxies as a Test For Bright Radio Halos.  J. Singal, A. Kogut, E. Jones, and H. Dunlap, 2015, ApJ, 799, L10

Gamma-ray Luminosity and Photon Index Evolution of FSRQ Blazars and Contribution to the Gamma-ray Background. J. Singal, A. Ko, and V. Petrosian, 2014, ApJ, 786, 109

Geant4 Applications for Modeling Molecular Transport in Complex Vacuum Geometries. J. Singal, J. Langton, and R. Schindler, 2014, International Journal of Modeling, Simulation, and Scientific Computing, 5, 2

Determination of the intrinsic Luminosity Time Correlation in the X-ray Afterglows of GRBs. M. Dainotti, V. Petrosian, J. Singal, and M. Ostrowski, 2013, ApJ, 774, 157

“The Radio and Optical Luminosity Evolution of Quasars II – The SDSS Sample.” J. Singal, V. Petrosian, L. Stawarz, and A. Lawrence, 2013, ApJ, 764, 43

“Flux and Photon Spectral Index Distributions of Fermi-LAT Blazars and Contribution to the Extragalactic Gamma-ray Background.” J. Singal, V. Petrosian, and M. Ajello, 2012, ApJ, 753, 45

“On The Radio and Optical Luminosity Evolution of Quasars.” J. Singal, V. Petrosian, A. Lawrence, and L. Stawarz, 2011, ApJ, 743, 104

“The Efficacy of Galaxy Shape Parameters in Photometric Redshift Estimation: A Neural Network Approach.” J. Singal, M. Shmakova, B. Gerke, and J. Lotz, 2011, PASP, 615, 621

“The ARCADE 2 Instrument.” J. Singal, D. Fixsen, A. Kogut, S. Levin, M. Limon, P. Lubin, P. Mirel, M. Seiffert, T. Villela, E. Wollack, and C.A. Wuensche, 2011, ApJ, 730, 138

“ARCADE 2 Measurement of the Absolute Sky Brightness at 3-90 GHz.” D. Fixsen, A. Kogut, S. Levin, M. Limon, P. Lubin, P. Mirel, M. Seiffert, J. Singal, T. Villela, E. Wollack, and C.A. Wuensche, 2011, ApJ, 734, 5

“ARCADE 2 Observations of Galactic Radio Emission.” A. Kogut, D. Fixsen, S. Levin, M. Limon, P. Lubin, P. Mirel, M. Seiffert, J. Singal, T. Villela, E. Wollack, and C.A. Wuensche, 2011, ApJ, 734, 4

“Interpretation of the ARCADE 2 Absolute Sky Brightness Measurement.” M. Seiffert, D. Fixsen, A. Kogut, S. Levin, M. Limon, P. Lubin, P. Mirel, J. Singal, T. Villela, E. Wollack, and C.A. Wuensche, 2011, ApJ, 734, 6

“Sources of the Radio Background Considered.” J. Singal, L. Stawarz, A. Lawrence, and V. Petrosian, 2010, Monthly Notices of the Royal Astronomical Society (MNRAS), 409, 1172

“The Cosmic Radio Background and AGN Connection.” J. Singal, L. Stawarz, A. Lawrence, and V. Petrosian, 2010, IJMPD, 19, 965

“A Multi-Chamber System for Analyzing the Outgassing, Deposition, and Associated Optical Degradation Properties of Materials in a Vacuum.” J. Singal, R. Schindler, C. Chang, P. Czodrowski, and P. Kim, 2010, Rev Sci Instrum, 81, 025101

“PHAT: Photo-z Accuracy Testing.” H. Hildebrandt, S. Arnouts, P. Capak, L. Moustakas, C. Wolf, F. Abdalla, R. Assef, M. Banerj, G. Brammer, S. Carliles, D. Coe, T. Dahlen, R. Feldmann, D. Gerdes, B. Gillis, R. Kotulla, I. Li, J.-M. Miralles, N. Purger, S. Schmidt, and J. Singal, 2010, Astronomy and Astrophysics (A&A), 523, A31