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The Fermi Gamma Ray Space Telescope discovers the Pulsar in the Young Galactic Supernova-Remnant CTA 1
Fermi LAT Collaboration
Energetic young pulsars and expanding blast waves (supernova remnants, SNRs) are the most visible remains after massive stars, ending their lives, explode in core-collapse supernov…
LSST: from Science Drivers to Reference Design and Anticipated Data Products
Željko Ivezić, Steven M. Kahn, J. Anthony Tyson +310
(Abridged) We describe here the most ambitious survey currently planned in the optical, the Large Synoptic Survey Telescope (LSST). A vast array of science will be enabled by a sin…
A celestial gamma-ray foreground due to the albedo of small solar system bodies and a remote probe of the interstellar cosmic ray spectrum
Igor V. Moskalenko, Troy A. Porter, Seth W. Digel +2
We calculate the gamma-ray albedo flux from cosmic-ray (CR) interactions with the solid rock and ice in Main Belt asteroids (MBAs), Jovian and Neptunian Trojan asteroids, and Kuipe…
The Diffuse Galactic Gamma-Ray Emission Model for GLAST LAT
T. A. Porter, S. W. Digel, I. A. Grenier +2
Diffuse emission from the Milky Way dominates the gamma-ray sky. About 80% of the high-energy luminosity of the Milky Way comes from processes in the interstellar medium. The Galac…
Developing the Galactic diffuse emission model for the GLAST Large Area Telescope
Igor V. Moskalenko, Andrew W. Strong, Seth W. Digel +1
Diffuse emission is produced in energetic cosmic ray (CR) interactions, mainly protons and electrons, with the interstellar gas and radiation field and contains the information abo…
GLAST Large Area Telescope Multiwavelength Planning
O. Reimer, P. F. Michelson, R. A. Cameron +3
Gamma-ray astrophysics depends in many ways on multiwavelength studies. The Gamma-ray Large Area Space Telescope (GLAST) Large Area Telescope (LAT) Collaboration has started multiw…
Understanding limitations in the determination of the diffuse Galactic gamma-ray emission
I. V. Moskalenko, S. W. Digel, T. A. Porter +2
We discuss uncertainties and possible sources of errors associated with the determination of the diffuse Galactic gamma-ray emission using the EGRET data. Most of the issues will b…
Inverse Compton scattering on solar photons, heliospheric modulation, and neutrino astrophysics
Igor V. Moskalenko, Troy A. Porter, Seth W. Digel
We study the inverse Compton scattering of solar photons by Galactic cosmic-ray electrons. We show that the gamma-ray emission from this process is substantial with the maximum flu…
Luminous infrared galaxies as plausible gamma-ray sources for GLAST and IACTs
Diego F. Torres, Olaf Reimer, Eva Domingo-Santamaria +1
We argue that luminous infrared galaxies (LIGs) may constitute a newly detectable population of gamma-ray sources for the next generation of ground and space-based high energy tele…
The distribution of cosmic-ray sources in the Galaxy, gamma-rays, and the gradient in the CO-to-H2 relation
A. W. Strong, I. V. Moskalenko, O. Reimer +2
We present a solution to the apparent discrepancy between the radial gradient in the diffuse Galactic gamma-ray emissivity and the distribution of supernova remnants, believed to b…
Analysis of Burst Observations by GLAST's LAT Detector
David L. Band, Seth W. Digel, the GLAST LAT Collaboration +1
Analyzing data from GLAST's Large Area Telescope (LAT) will require sophisticated techniques. The PSF and effective area are functions of both photon energy and the position in the…
High-Energy Gamma Rays from Neutron Stars in Supernova Remnants: From EGRET to GLAST
D. J. Thompson, S. W. Digel, P. L. Nolan +1
At least three pulsars in supernova remnants were detected at E > 100 MeV by EGRET on the Compton Gamma Ray Observatory. Efforts to search for additional pulsars in the EGRET data…
What can GLAST say about the origin of cosmic rays in other galaxies ?
S. W. Digel, I. V. Moskalenko, J. F. Ormes +2
Gamma rays in the band from 20 MeV to 300 GeV, used in combination with data from radio and X-ray bands, provide a powerful tool for studying the origin of cosmic rays in our siste…
The origin of cosmic rays: What can GLAST say ?
J. F. Ormes, S. Digel, I. V. Moskalenko +2
Gamma rays in the band from 30 MeV to 300 GeV, used in combination with direct measurements and with data from radio and X-ray bands, provide a powerful tool for studying the origi…
Detection of Galactic Dark Matter by GLAST
A. Moiseev, J. Ormes, H. Arrighi +6
The mysterious dark matter has been a subject of special interest to high energy physicists, astrophysicists and cosmologists for many years. According to theoretical models, it ca…
EGRET Observations of the Diffuse Gamma-Ray Emission in Orion: Analysis Through Cycle 6
S. W. Digel, E. Aprile, S. D. Hunter +2
We present a study of the high-energy diffuse emission observed toward Orion by the Energetic Gamma-Ray Experiment Telescope (EGRET) on the Compton Gamma-Ray Observatory. The total…
Survey of Fine-Scale Structure in the Far-Infrared Milky Way
William H. Waller, Frank Varosi, Francois Boulanger +1
Using the IRAS Infrared Sky Survey Atlas, we have made 60 x 60 deg mosaics of the far-infrared emission in the Milky Way. By applying a median normalizing spatial filter, we were a…