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Exploring the NRO Opportunity for a Hubble-Sized Wide-Field Near-IR Space Telescope - New WFIRST
Document ID: 20130014785
NTRS Full-Text: Click to View  [PDF Size: 4.6 MB]
Author: Dressler, Alan; Spergel, David; Mountain, Matt; Postman, Mark; Elliott, Erin; Bendek, Eduardo; Bennett, David; Dalcanton, Julianne; Gaudi, Scott; Gehrels, Neil; Guyon, Olivier; Hirata, Christopher; Kalirai, Jason; Kasdin, Jeremy; Kruk, Jeff; Macintosh, Bruce; Malhotra, Sangeeta; Penny, Matthew; Shaklan, Stuart; Stern, Daniel
Abstract: We discuss scientific, technical, and programmatic issues related to the use of an NRO 2.4m hide
Publication Year: 2013
Document Type: Preprint
Report/Patent Number: GSFC-E-DAA-TN8687
Date Acquired: Dec 23, 2013
The WFIRST Galaxy Survey Exposure Time Calculator
Document ID: 20130014783
NTRS Full-Text: Click to View  [PDF Size: 1.4 MB]
Author: Hirata, Christopher M.; Gehrels, Neil; Kneib, Jean-Paul; Kruk, Jeffrey; Rhodes, Jason; Wang, Yun; Zoubian, Julien
Abstract: This document describes the exposure time calculator for the Wide-Field Infrared Survey Telescope hide
Publication Year: 2013
Document Type: Preprint
Report/Patent Number: GSFC-E-DAA-TN8689
Date Acquired: Dec 23, 2013
GRB Discoveries with Swift
Document ID: 20130014480
NTRS Full-Text: Click to View  [PDF Size: 1.2 MB]
Author: Gehrels, Neil
Abstract: No abstract available
Publication Year: 2013
Document Type: Oral/Visual Presentation
Report/Patent Number: GSFC-E-DAA-TN7586
Date Acquired: Aug 22, 2013
GRB Discoveries with Swift
Document ID: 20130014069
NTRS Full-Text: Click to View  [PDF Size: 627 KB]
Author: Gehrels, Neil
Abstract: No abstract available
Publication Year: 2013
Document Type: Oral/Visual Presentation
Report/Patent Number: GSFC-E-DAA-TN7207, GSFC-E-DAA-TN8234
Date Acquired: Jul 26, 2013
Hard X-ray Variations in the Crab Nebula
Document ID: 20130013900
NTRS Full-Text: Click to View  [PDF Size: 1.3 MB]
Author: Wilson-Hodge, Colleen A.; Cherry, M. L.; Case, G. L.; Baumgartner, W. H.; Beklen, E.; Bhat, P. N.; Briggs, M. S.; Camero-Arranz, A.; Connaughton, V.; Finger, M. H.; Gehrels, N.; Greiner, J.; Jahoda, K.; Jenke, P.; Kippen, R. M.; Kouveliotou, C.; Krimm, H. A.; Kuulkers, E.; Meegan, C. A.; Natalucci, L.; Paciesas, W. S.; Preece, R.; Rodi, J. C.; Skinner, G. K.
Abstract: In the first two years of science operations of the Fermi Gamma-ray Burst Monitor (GBM), August 2008 hide
Publication Year: 2013
Document Type: Oral/Visual Presentation
Report/Patent Number: M13-2544
Date Acquired: Jul 16, 2013
Hard X-ray Variations in the Crab Nebula
Document ID: 20130013868
NTRS Full-Text: Click to View  [PDF Size: 26 KB]
Author: Wilson-Hodge, Colleen A.; Cherry, M. L.; Case, G. L.; Baumgartner, W. H.; Beklen, E.; Bhat, P. N.; Briggs, M. S.; Camero-Arranz, A.; Chaplin, V.; Connaughton, V.; Finger, M. H.; Gehrels, N.; Greiner, J.; Jahoda, K.; Jenke, P.; Kippen, R. M.; Kouveliotou, C.; Krimm, H. A.; Kuulkers, E.; Meegan, C. A.; Natalucci, L.; Paciesas, W. S.; Preece, R.; Rodi, J. C.; Skinner, G. K.
Abstract: In the first two years of science operations of the Fermi Gamma-ray Burst Monitor (GBM), August 2008 hide
Publication Year: 2013
Document Type: Conference Paper
Report/Patent Number: M13-2408
Date Acquired: Jul 12, 2013
A Universal Scaling for the Energetics of Relativistic Jets From Black Hole Systems
Document ID: 20130013679
NTRS Full-Text: Click to View  [PDF Size: 561 KB]
Author: Nemmen, R. S.; Georganopoulos, M.; Guiriec, S.; Meyer, E. T.; Gehrels, N.; Sambruna, R. M.
Abstract: Black holes generate collimated, relativistic jets which have been observed in gamma-ray bursts hide
Publication Year: 2013
Document Type: Journal Article
Report/Patent Number: GSFC-E-DAA-TN8403
Date Acquired: Jun 18, 2013
Swift Follow-Up Observations of Candidate Gravitational-Wave Transient Events
Document ID: 20130013648
NTRS Full-Text: Click to View  [PDF Size: 567 KB]
External Online Source:

Author: Evans, P. A.; Fridriksson, J. K.; Gehrels, N.; Homan, J.; Osborne, J. P.; Siegel, M.; Beardmore, A.; Handbauer, P.; Gelbord, J.; Kennea, J. A.; Smith, M.; Zhu, Q.; Aasi, J.; Abadie, J.; Abbott, B. P.; Abbott, R.; Abbott, T. D.; Abernathy, M.; Accadia, T.; Acernese, F.; Adams, C.; Adams, T.; Blackburn, J. K.; Camp, J. B.; Kanner, J. B.
Abstract: We present the first multi-wavelength follow-up observations of two candidate gravitational-wave hide
Publication Year: 2012
Document Type: Journal Article
Report/Patent Number: GSFC-E-DAA-TN8398
Date Acquired: Jun 12, 2013
GRB110721A: An Extreme Peak Energy and Signatures of the Photosphere
Document ID: 20130013642
NTRS Full-Text: Click to View  [PDF Size: 161 KB]
External Online Source:

Author: Axelsson, M.; Baldini, L.; Barbiellini, G.; Baring, M. G.; Bellazzini, R.; Bregeon, J.; Brigida, M.; Bruel, P.; Buehler, R.; Caliandro, G. A.; Cameron, R. A.; Caraveo, P. A.; Cecchi, C.; Chaves, R. C. G.; Chekhtman, A.; Chiang, J.; Claus, R.; Conrad, J.; Cutini, S.; Ferrara, E. C.; Gehrels, N.; Guiriec, S.; McEnery, J. E.; Fishman, G.; Wilson-Hodge, C.
Abstract: GRB110721A was observed by the Fermi Gamma-ray Space Telescope using its two instruments, the Large hide
Publication Year: 2012
Document Type: Journal Article
Report/Patent Number: GSFC-E-DAA-TN8389
Date Acquired: Jun 11, 2013
A Jet Break in the X-ray Light Curve of Short GRB 111020A: Implications for Energetics and Rates
Document ID: 20130012535
NTRS Full-Text: Click to View  [PDF Size: 301 KB]
External Online Source:

Author: Fong, W.; Berger, E.; Margutti, R.; Zauderer, B. A.; Troja, E.; Czekala, I.; Chornock, R.; Gehrels, N.; Sakamoto, T.; Fox, D. B.; Podsiadlowski, P.
Abstract: We present broadband observations of the afterglow and environment of the short GRB 111020A. An hide
Publication Year: 2012
Document Type: Journal Article
Report/Patent Number: GSFC-E-DAA-TN6804
Date Acquired: Apr 13, 2013
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