Sciences and Exploration Directorate

Elizabeth Anne Hays

(Chief)

Elizabeth Anne Hays's Contact Card & Information.
Email: elizabeth.a.hays@nasa.gov
Phone: 301.286.0345
Org Code: 661
Address:
NASA/GSFC
Mail Code 661
Greenbelt, MD 20771
Employer:
NASA

Brief Bio


Astrophysicist, NASA Goddard Space Flight Center, Greenbelt, MD (Feb. 2009 - present)

Chief, Astroparticle Physics Laboratory
Project Scientist for the Fermi Gamma-ray Space Telescope

Positions/Employment


Astrophysicist

NASA Goddard Space Flight Center - Greenbelt, MD

2009 - Present


Project Scientist for the Fermi Gamma-ray Space Telescope

NASA Goddard Space Flight Center - Greenbelt, MD

2019 - Present


Deputy Project Scientist for the Fermi Gamma-ray Space Telescope

NASA Goddard Space Flight Center - Greenbelt, MD, USA

2009 - 2019


NASA Postdoctoral Program

NASA Goddard Space Flight Center - Greenbelt, MD

2007 - 2009


Postdoctoral Research Associate

Jointly at University of Chicago, Enrico Fermi Institute, Chicago, IL and at Argonne National Laboratory - Argonne, IL

2004 - 2007


Graduate Teaching/Research Assistant

University of Maryland - College Park, MD

1999 - 2004

Education


Ph.D. (2004), Department of Physics, University of Maryland College Park
Thesis: “A Search for TeV Emission from Active Galaxies Using the Milagro Observatory”
Advisor: Professor Gregory W. Sullivan

B.A. (1999), Department of Physics, Cornell University, Ithaca, NY

Professional Service


Professional memberships include the American Physical Society (APS), Division of Astro- physics (DAP), and the American Astronomical Society (AAS), High Energy Astrophysics Division (HEAD).

Selected professional service includes

  • APS Committee on Meetings (2019 - present)
  • NAS Committee on Astronomy and Astrophysics (2018 - present)
  • Moderator arXiv (2017 - present)
  • AAS High Energy Astrophysics Division (HEAD) Executive Committee (2015 - 2018)
  • Physics of the Cosmos Program Analysis Group (PhysPAG) Executive Committee (2011 - 2014)
  • Chair of the PhysPAG Gamma-ray Science Analysis Group (GammaSAG) (2012 - 2014)
  • GSFC Science Director’s Women and Minorities in Science Forum (2009 - 2011)
  • APS Division of Astrophysics Executive Committee, At-Large Member (2009 - 2011)
     

Awards


Fellow of the American Physical Society - 2014

Robert H. Goddard Scientific Achievement Award - 2013

Robert H. Goddard Exceptional Achievement Award, Fermi Science Team - 2009

NASA Postdoctoral Program Fellowship - 2007

65th Arthur H. Compton Lecturer, Enrico Fermi Institute, University of Chicago - 2007

Talks, Presentations and Posters


Invited

Future of indirect cosmic ray searches

2018

CRISM 2018: Cosmic Rays and the InterStellar Medium, Grenoble, France


Overview of Gamma-ray Astronomy

2018

SuGAR 2018: Searching for the sources of galactic and extragalactic cosmic rays, Solvay Institute, Brussels, Belgium


The Fermi Mission

2017

6th Fermi Symposium, Garmisch-Partenkirchen, Germany


Synergies with Fermi

2017

Astrophysics Mission Synergies Workshop, Caltech


Lessons from Fermi (and Friends)

2016

Finding a Roadmap to the First Neutrino Point Source, Drexel University


Status Overview of Gamma-ray Astronomy

2015

34th International Cosmic-Ray Conference, The Hague, The Netherlands


Exploring the future science of space-based gamma-ray observations

2014

APS April Meeting, Savannah, Georgia


Galactic Sources in the Fermi Large Area Telescope

2013

IceCube Particle Astrophysics Symposium, Madison, Wisconsin


Gamma-ray and X-ray views of the energetic sky from a multimessenger perspective

2013

APS April Meeting, Denver, Colorado


Fermi Mission Overview

2011

3rd Fermi Symposium, Rome, Italy


Fermi Observations of Galactic Transients

2010

The First Year of MAXI: Monitoring Variable X-ray Sources, Aoyama, Tokyo, Japan

Other

Selected Public Outreach


Fermi Gamma-ray Summer School

2011 - Present

Organizer and lecturer for a two-week lecture series and workshop on high and very-high energy gamma-ray theory, instrumentation, and analysis aimed at graduate students and early postdoctoral researchers.


USA Science and Engineering Festival

May 2018 - May 2018


“Tooning the Cosmos”

December 2015 - December 2015

public event on visualizations of Fermi science developed with the Maryland Institute College of Art (MICA) and presented at NASA Headquarters


Maryland Institute College of Art (MICA) animation scientific advisor

2015 - 2015


USA Science and Engineering Festival

May 2012 - May 2012


Foundations and Frontiers in Physics Lectures

2010 - 2010

University of Maryland, College Park, MD
“High-Energy Gamma-ray Astrophysics” (February 22, 2012)
“Gamma-ray Astrophysics” (April 14, 2010)
Blackboard lectures on fundamentals in physics for first-year graduate students.


Arthur H. Compton Lecturer

April 2007 - July 2007

Enrico Fermi Institute, University of Chicago, Chicago, IL
“The Quest for Gamma Rays: Exploring the Most Violent Places in the Universe” , a nine- lecture public series on gamma-ray astrophysics.

Selected Publications


Refereed

2011. "Fermi-LAT Search for Pulsar Wind Nebulae Around Gamma-ray Pulsars." The Astrophysical Journal 726 35 [Full Text] [10.1088/0004-637X/726/1/35] [Journal Article/Letter]

2011. "Multi-wavelength Observations of the Flaring Gamma-ray Blazar 3C 66A in 2008 October." The Astrophysical Journal 726 43 [Full Text] [10.1088/0004-637X/726/1/43] [Journal Article/Letter]

2011. "Insights into the High-energy _-ray Emission of Markarian 501 from Extensive Multifrequency Observations in the Fermi Era." The Astrophysical Journal 727 129 [Full Text] [10.1088/0004-637X/727/2/129] [Journal Article/Letter]

2011. "Gamma-Ray Flares from the Crab Nebula." Science 331 739 [Full Text] [10.1126/science.1199705] [Journal Article/Letter]

2011. "Detection of a Spectral Break in the Extra Hard Component of GRB 090926A." The Astrophysical Journal 729 114 [Full Text] [10.1088/0004-637X/729/2/114] [Journal Article/Letter]

2011. "Erratum: "The First Fermi Large Area Telescope Catalog of Gamma-Ray Pulsars" (2010, ApJS, 187, 460)." The Astrophysical Journal Supplement 193 22 [Full Text] [10.1088/0067-0049/193/1/22] [Journal Article/Letter]

2011. "The First Fermi Multifrequency Campaign on BL Lacertae: Characterizing the Low-activity State of the Eponymous Blazar." The Astrophysical Journal 730 101 [Full Text] [10.1088/0004-637X/730/2/101] [Journal Article/Letter]

2011. "Erratum: "Multi-wavelength Observations of the Flaring Gamma-ray Blazar 3C 66A in 2008 October" (2011, ApJ, 726, 43)." The Astrophysical Journal 731 77 [Full Text] [10.1088/0004-637X/731/1/77] [Journal Article/Letter]

2010. "Fermi Large Area Telescope Observations of the Crab Pulsar And Nebula." The Astrophysical Journal 708 1254 [Full Text] [10.1088/0004-637X/708/2/1254] [Journal Article/Letter]

2010. "Fermi Observations of the Very Hard Gamma-ray Blazar PG 1553+113." The Astrophysical Journal 708 1310 [Full Text] [10.1088/0004-637X/708/2/1310] [Journal Article/Letter]

2010. "Gamma-ray and Radio Properties of Six Pulsars Detected by the Fermi Large Area Telescope." The Astrophysical Journal 708 1426 [Full Text] [10.1088/0004-637X/708/2/1426] [Journal Article/Letter]

2010. "Discovery of Very High Energy Gamma Rays from PKS 1424+240 and Multiwavelength Constraints on Its Redshift." The Astrophysical Journal Letters 708 L100 [Full Text] [10.1088/2041-8205/708/2/L100] [Journal Article/Letter]

2010. "Swift and Fermi Observations of the Early Afterglow of the Short Gamma-Ray Burst 090510." The Astrophysical Journal Letters 709 L146 [Full Text] [10.1088/2041-8205/709/2/L146] [Journal Article/Letter]

2010. "Detection of Gamma-Ray Emission from the Starburst Galaxies M82 and NGC 253 with the Large Area Telescope on Fermi." The Astrophysical Journal Letters 709 L152 [Full Text] [10.1088/2041-8205/709/2/L152] [Journal Article/Letter]

2010. "PKS 1502+106: A New and Distant Gamma-ray Blazar in Outburst Discovered by the Fermi Large Area Telescope." The Astrophysical Journal 710 810 [Full Text] [10.1088/0004-637X/710/1/810] [Journal Article/Letter]

2010. "Spectral Properties of Bright Fermi-Detected Blazars in the Gamma-Ray Band." The Astrophysical Journal 710 1271 [Full Text] [10.1088/0004-637X/710/2/1271] [Journal Article/Letter]

2010. "Fermi-Lat Discovery of GeV Gamma-Ray Emission from the Young Supernova Remnant Cassiopeia A." The Astrophysical Journal Letters 710 L92 [Full Text] [10.1088/2041-8205/710/1/L92] [Journal Article/Letter]

2010. "A change in the optical polarization associated with a γ-ray flare in the blazar 3C279." Nature 463 919 [Full Text] [10.1038/nature08841] [Journal Article/Letter]

2010. "Gamma-Ray Emission from the Shell of Supernova Remnant W44 Revealed by the Fermi LAT." Science 327 1103 [Full Text] [10.1126/science.1182787] [Journal Article/Letter]

2010. "Observations of the Large Magellanic Cloud with Fermi." Astronomy and Astrophysics 512 7 [Full Text] [10.1051/0004-6361/200913474] [Journal Article/Letter]

2010. "PSR J1907+0602: A Radio-Faint Gamma-Ray Pulsar Powering a Bright TeV Pulsar Wind Nebula." The Astrophysical Journal 711 64 [Full Text] [10.1088/0004-637X/711/1/64] [Journal Article/Letter]

2010. "Observations of Milky Way Dwarf Spheroidal Galaxies with the Fermi-Large Area Telescope Detector and Constraints on Dark Matter Models." The Astrophysical Journal 712 147 [Full Text] [10.1088/0004-637X/712/1/147] [Journal Article/Letter]

2010. "Fermi Detection of Delayed GeV Emission from the Short Gamma-Ray Burst 081024B." The Astrophysical Journal 712 (1): 558-564 [Full Text] [10.1088/0004-637X/712/1/558] [Journal Article/Letter]

2010. "Discovery of Pulsed γ-Rays from PSR J0034-0534 with the Fermi Large Area Telescope: A Case for Co-Located Radio and γ-Ray Emission Regions." The Astrophysical Journal 712 (2): 957-963 [Full Text] [10.1088/0004-637X/712/2/957] [Journal Article/Letter]

2010. "Fermi Large Area Telescope Observations of PSR J1836+5925." The Astrophysical Journal 712 (2): 1209-1218 [Full Text] [10.1088/0004-637X/712/2/1209] [Journal Article/Letter]

2010. "Fermi Large Area Telescope Observations of the Vela-X Pulsar Wind Nebula." The Astrophysical Journal 713 (1): 146-153 [Full Text] [10.1088/0004-637X/713/1/146] [Journal Article/Letter]

2010. "The Vela Pulsar: Results from the First Year of Fermi LAT Observations." The Astrophysical Journal 713 (1): 154-165 [Full Text] [10.1088/0004-637X/713/1/154] [Journal Article/Letter]

2010. "The First Fermi Large Area Telescope Catalog of Gamma-ray Pulsars." The Astrophysical Journal Supplement 187 (2): 460-494 [Full Text] [10.1088/0067-0049/187/2/460] [Journal Article/Letter]

2010. "Detection of the Energetic Pulsar PSR B1509-58 and its Pulsar Wind Nebula in MSH 15-52 Using the Fermi-Large Area Telescope." The Astrophysical Journal 714 927 [Full Text] [10.1088/0004-637X/714/1/927] [Journal Article/Letter]

2010. "Fermi-Large Area Telescope Observations of the Exceptional Gamma-ray Outbursts of 3C 273 in 2009 September." The Astrophysical Journal Letters 714 (1): L73-L78 [Full Text] [10.1088/2041-8205/714/1/L73] [Journal Article/Letter]

2010. "The First Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope." The Astrophysical Journal 715 (1): 429-457 [Full Text] [10.1088/0004-637X/715/1/429] [Journal Article/Letter]

2010. "The Discovery of γ-Ray Emission from the Blazar RGB J0710+591." The Astrophysical Journal Letters 715 L49 [Full Text] [10.1088/2041-8205/715/1/L49] [Journal Article/Letter]

2010. "Fermi Gamma-Ray Imaging of a Radio Galaxy." Science 328 (5979): 725 [Full Text] [10.1126/science.1184656] [Journal Article/Letter]

2010. "The Spectral Energy Distribution of Fermi Bright Blazars." The Astrophysical Journal 716 (1): 30-70 [Full Text] [10.1088/0004-637X/716/1/30] [Journal Article/Letter]

2010. "Fermi Observations of GRB 090510: A Short-Hard Gamma-ray Burst with an Additional, Hard Power-law Component from 10 keV TO GeV Energies." The Astrophysical Journal 716 1178 [Full Text] [10.1088/0004-637X/716/2/1178] [Journal Article/Letter]

2010. "Fermi Large Area Telescope First Source Catalog." The Astrophysical Journal Supplement 188 (2): 405-436 [Full Text] [10.1088/0067-0049/188/2/405] [Journal Article/Letter]

2010. "GeV Gamma-ray Flux Upper Limits from Clusters of Galaxies." The Astrophysical Journal Letters 717 L71 [Full Text] [10.1088/2041-8205/717/1/L71] [Journal Article/Letter]

2010. "Fermi Observations of High-energy Gamma-ray Emission from GRB 090217A." The Astrophysical Journal Letters 717 L127 [Full Text] [10.1088/2041-8205/717/2/L127] [Journal Article/Letter]

2010. "Fermi Large Area Telescope Observations of the Supernova Remnant W28 (G6.4-0.1)." The Astrophysical Journal 718 (1): 348-356 [Full Text] [10.1088/0004-637X/718/1/348] [Journal Article/Letter]

2010. "Fermi Large Area Telescope View of the Core of the Radio Galaxy Centaurus A." The Astrophysical Journal 719 (2): 1433-1444 [Full Text] [10.1088/0004-637X/719/2/1433] [Journal Article/Letter]

2010. "Gamma-Ray Emission Concurrent with the Nova in the Symbiotic Binary V407 Cygni." Science 329 (5993): 817-821 [Full Text] [10.1126/science.1192537] [Journal Article/Letter]

2010. "Fermi Large Area Telescope Observations of Gamma-ray Pulsars PSR J1057-5226, J1709-4429, and J1952+3252." The Astrophysical Journal 720 (1): 26-40 [Full Text] [10.1088/0004-637X/720/1/26] [Journal Article/Letter]

2010. "Fermi-LAT Observations of the Geminga Pulsar." The Astrophysical Journal 720 (1): 272-283 [Full Text] [10.1088/0004-637X/720/1/272] [Journal Article/Letter]

2010. "The Fermi-LAT High-Latitude Survey: Source Count Distributions and the Origin of the Extragalactic Diffuse Background." The Astrophysical Journal 720 (1): 435-453 [Full Text] [10.1088/0004-637X/720/1/435] [Journal Article/Letter]

2010. "Fermi Large Area Telescope Observations of Misaligned Active Galactic Nuclei." The Astrophysical Journal 720 (1): 912-922 [Full Text] [10.1088/0004-637X/720/1/912] [Journal Article/Letter]

2010. "Fermi Gamma-ray Space Telescope Observations of Gamma-ray Outbursts from 3C 4543 in 2009 December and 2010 April." The Astrophysical Journal 721 1383 [Full Text] [10.1088/0004-637X/721/2/1383] [Journal Article/Letter]

2010. "Fermi Large Area Telescope and Multi-wavelength Observations of the Flaring Activity of PKS 1510-089 between 2008 September and 2009 June." The Astrophysical Journal 721 (2): 1425-1447 [Full Text] [10.1088/0004-637X/721/2/1425] [Journal Article/Letter]

2010. "Gamma-ray Light Curves and Variability of Bright Fermi-detected Blazars." The Astrophysical Journal 722 (1): 520-542 [Full Text] [10.1088/0004-637X/722/1/520] [Journal Article/Letter]

2010. "Fermi-LAT Study of Gamma-ray Emission in the Direction of Supernova Remnant W49B." The Astrophysical Journal 722 (2): 1303-1311 [Full Text] [10.1088/0004-637X/722/2/1303] [Journal Article/Letter]

2010. "Detection of the Small Magellanic Cloud in gamma-rays with Fermi/LAT." Astronomy and Astrophysics 523 46 [Full Text] [10.1051/0004-6361/201014855] [Journal Article/Letter]

2010. "Fermi Large Area Telescope observations of Local Group galaxies: detection of M 31 and search for M 33." Astronomy and Astrophysics 523 L2 [Full Text] [10.1051/0004-6361/201015759] [Journal Article/Letter]

2010. "Fermi Large Area Telescope Observation of a Gamma-ray Source at the Position of Eta Carinae." The Astrophysical Journal 723 (1): 649-657 [Full Text] [10.1088/0004-637X/723/1/649] [Journal Article/Letter]

2010. "Fermi Large Area Telescope Constraints on the Gamma-ray Opacity of the Universe." The Astrophysical Journal 723 (2): 1082-1096 [Full Text] [10.1088/0004-637X/723/2/1082] [Journal Article/Letter]

2010. "Searches for cosmic-ray electron anisotropies with the Fermi Large Area Telescope." Physical Review D, vol 82, Issue 9, id 092003 82 92003 [Full Text] [10.1103/PhysRevD.82.092003] [Journal Article/Letter]

2010. "Fermi LAT observations of cosmic-ray electrons from 7 GeV to 1 TeV." Physical Review D, vol 82, Issue 9, id 092004 82 92004 [Full Text] [10.1103/PhysRevD.82.092004] [Journal Article/Letter]

2010. "A population of gamma-ray emitting globular clusters seen with the Fermi Large Area Telescope." Astronomy and Astrophysics 524 75 [Full Text] [10.1051/0004-6361/201014458] [Journal Article/Letter]

2010. "Search for Gamma-ray Emission from Magnetars with the Fermi Large Area Telescope." The Astrophysical Journal Letters 725 (1): L73 [Full Text] [10.1088/2041-8205/725/1/L73] [Journal Article/Letter]

2009. "Fermi Observations of High-Energy Gamma-Ray Emission from GRB 080916C." Science 323 1688 [Full Text] [10.1126/science.1169101] [Journal Article/Letter]

2009. "Discovery of Pulsed γ-Rays from the Young Radio Pulsar PSR J1028-5819 with the Fermi Large Area Telescope." The Astrophysical Journal Letters 695 L72 [Full Text] [10.1088/0004-637X/695/1/L72] [Journal Article/Letter]

2009. "Fermi Large Area Telescope Observations of the Vela Pulsar." The Astrophysical Journal 696 1084 [Full Text] [10.1088/0004-637X/696/2/1084] [Journal Article/Letter]

2009. "Fermi/Large Area Telescope Discovery of Gamma-Ray Emission from the Flat-Spectrum Radio Quasar PKS 1454-354." The Astrophysical Journal 697 934 [Full Text] [10.1088/0004-637X/697/1/934] [Journal Article/Letter]

2009. "Measurement of the Cosmic Ray e++e- Spectrum from 20GeV to 1TeV with the Fermi Large Area Telescope." Physical Review Letters, vol 102, Issue 18, id 181101 102 181101 [Full Text] [10.1103/PhysRevLett.102.181101] [Journal Article/Letter]

2009. "The Large Area Telescope on the Fermi Gamma-Ray Space Telescope Mission." The Astrophysical Journal 697 (2): 1071-1102 [Full Text] [10.1088/0004-637X/697/2/1071] [Journal Article/Letter]

2009. "Fermi Discovery of Gamma-ray Emission from NGC 1275." The Astrophysical Journal 699 31 [Full Text] [10.1088/0004-637X/699/1/31] [Journal Article/Letter]

2009. "Early Fermi Gamma-ray Space Telescope Observations of the Quasar 3C 454.3." The Astrophysical Journal 699 (1): 817-823 [Full Text] [10.1088/0004-637X/699/1/817] [Journal Article/Letter]

2009. "Fermi/Large Area Telescope Discovery of Gamma-Ray Emission from a Relativistic Jet in the Narrow-Line Quasar PMN J0948+0022." The Astrophysical Journal 699 976 [Full Text] [10.1088/0004-637X/699/2/976] [Journal Article/Letter]

2009. "Pulsed Gamma Rays from the Millisecond Pulsar J0030+0451 with the Fermi Large Area Telescope." The Astrophysical Journal 699 1171 [Full Text] [10.1088/0004-637X/699/2/1171] [Journal Article/Letter]

2009. "Discovery of Pulsations from the Pulsar J0205+6449 in SNR 3C 58 with the Fermi Gamma-Ray Space Telescope." The Astrophysical Journal Letters 699 L102 [Full Text] [10.1088/0004-637X/699/2/L102] [Journal Article/Letter]

2009. "Bright Active Galactic Nuclei Source List from the First Three Months of the Fermi Large Area Telescope All-Sky Survey." The Astrophysical Journal 700 597 [Full Text] [10.1088/0004-637X/700/1/597] [Journal Article/Letter]

2009. "Fermi/Large Area Telescope Bright Gamma-Ray Source List." The Astrophysical Journal Supplement 183 46 [Full Text] [10.1088/0067-0049/183/1/46] [Journal Article/Letter]

2009. "Pulsed Gamma-rays from PSR J2021+3651 with the Fermi Large Area Telescope." The Astrophysical Journal 700 1059 [Full Text] [10.1088/0004-637X/700/2/1059] [Journal Article/Letter]

2009. "Fermi LAT Observations of LS I +61°303: First Detection of an Orbital Modulation in GeV Gamma Rays." The Astrophysical Journal Letters 701 L123 [Full Text] [10.1088/0004-637X/701/2/L123] [Journal Article/Letter]

2009. "Detection of 16 Gamma-Ray Pulsars Through Blind Frequency Searches Using the Fermi LAT." Science 325 840 [Full Text] [10.1126/science.1175558] [Journal Article/Letter]

2009. "Detection of High-Energy Gamma-Ray Emission from the Globular Cluster 47 Tucanae with Fermi." Science 325 845 [Full Text] [10.1126/science.1177023] [Journal Article/Letter]

2009. "A Population of Gamma-Ray Millisecond Pulsars Seen with the Fermi Large Area Telescope." Science 325 848 [Full Text] [10.1126/science.1176113] [Journal Article/Letter]

2009. "The on-orbit calibration of the Fermi Large Area Telescope." Astroparticle Physics 32 193 [Full Text] [10.1016/j.astropartphys.2009.08.002] [Journal Article/Letter]

2009. "Fermi LAT Observation of Diffuse Gamma Rays Produced Through Interactions Between Local Interstellar Matter and High-energy Cosmic Rays." The Astrophysical Journal 703 1249 [Full Text] [10.1088/0004-637X/703/2/1249] [Journal Article/Letter]

2009. "Fermi LAT Discovery of Extended Gamma-Ray Emission in the Direction of Supernova Remnant W51C." The Astrophysical Journal Letters 706 L1 [Full Text] [10.1088/0004-637X/706/1/L1] [Journal Article/Letter]

2009. "Fermi/LAT observations of LS 5039." The Astrophysical Journal Letters 706 L56 [Full Text] [10.1088/0004-637X/706/1/L56] [Journal Article/Letter]

2009. "Fermi Observations of GRB 090902B: A Distinct Spectral Component in the Prompt and Delayed Emission." The Astrophysical Journal Letters 706 L138 [Full Text] [10.1088/0004-637X/706/1/L138] [Journal Article/Letter]

2009. "A limit on the variation of the speed of light arising from quantum gravity effects." Nature 462 331 [Full Text] [10.1038/nature08574] [Journal Article/Letter]

2009. "Fermi Large Area Telescope Detection of Pulsed γ-rays from the Vela-like Pulsars PSR J1048-5832 and PSR J2229+6114." The Astrophysical Journal 706 1331 [Full Text] [10.1088/0004-637X/706/2/1331] [Journal Article/Letter]

2009. "Fermi Large Area Telescope Gamma-Ray Detection of the Radio Galaxy M87." The Astrophysical Journal 707 55 [Full Text] [10.1088/0004-637X/707/1/55] [Journal Article/Letter]

2009. "Fermi Observations of High-energy Gamma-ray Emission from GRB 080825C." The Astrophysical Journal 707 580 [Full Text] [10.1088/0004-637X/707/1/580] [Journal Article/Letter]

2009. "Multiwavelength Monitoring of the Enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in 2009 March-July." The Astrophysical Journal 707 727 [Full Text] [10.1088/0004-637X/707/1/727] [Journal Article/Letter]

2009. "Fermi Observations of TeV-Selected Active Galactic Nuclei." The Astrophysical Journal 707 1310 [Full Text] [10.1088/0004-637X/707/2/1310] [Journal Article/Letter]

2009. "Radio-Loud Narrow-Line Seyfert 1 as a New Class of Gamma-Ray Active Galactic Nuclei." The Astrophysical Journal Letters 707 L142 [Full Text] [10.1088/0004-637X/707/2/L142] [Journal Article/Letter]

2009. "Fermi large area telescope observations of the cosmic-ray induced γ-ray emission of the Earth's atmosphere." Physical Review D, vol 80, Issue 12, id 122004 80 122004 [Full Text] [10.1103/PhysRevD.80.122004] [Journal Article/Letter]

2009. "Fermi Large Area Telescope Measurements of the Diffuse Gamma-Ray Emission at Intermediate Galactic Latitudes." Physical Review Letters 103 (25): 251101 [Full Text] [10.1103/PhysRevLett.103.251101] [Journal Article/Letter]

2009. "Modulated High-Energy Gamma-Ray Emission from the Microquasar Cygnus X-3." Science 326 1512 [Full Text] [10.1126/science.1182174] [Journal Article/Letter]

2008. "Section on Supernova remnants and cosmic rays of the White Paper on the Status and Future of Ground-based Gamma-ray Astronomy." arXiv:08100673 [Journal Article/Letter]

2008. "Galactic Compact Objects Section of the White Paper on the Status and Future of Ground-based TeV Gamma-ray Astronomy." arXiv:08100683 [Journal Article/Letter]

2008. "The Fermi Gamma-Ray Space Telescope Discovers the Pulsar in the Young Galactic Supernova Remnant CTA 1." Science 322 1218 [Full Text] [10.1126/science.1165572] [Journal Article/Letter]

2006. "Technology Section of the White Paper on the Status and Future of Ground-based TeV Gamma-ray Astronomy." arXiv:08104367 [Journal Article/Letter]

2006. "The first VERITAS telescope." Astroparticle Physics 25 ( 6): 391-401 [10.1016/j.astropartphys.2006.04.002] [Journal Article/Letter]

Non-Refereed

2010. "“Fermi Large Area Telescope locates unexpected gamma-ray outbursts ”." SPIE Newsroom [Full Text] [10.1117/2.1201011.003370] [Magazine]