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- Acero, F. (author)
DEVELOPMENT OF THE MODEL OF GALACTIC INTERSTELLAR EMISSION FOR STANDARD POINT-SOURCE ANALYSIS OF FERMI LARGE AREA TELESCOPE DATA
- Article/chapterEnglish2016
Publisher, publication year, extent ...
- 2016-04-22
- American Astronomical Society,2016
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-130885
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-130885URI
- https://doi.org/10.3847/0067-0049/223/2/26DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187905URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- QC 20160601
- Most of the celestial. rays detected by the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope originate from the interstellar medium when energetic cosmic rays interact with interstellar nucleons and photons. Conventional point-source and extended-source studies rely on the modeling of this diffuse emission for accurate characterization. Here, we describe the development of the Galactic Interstellar Emission Model (GIEM), which is the standard adopted by the LAT Collaboration and is publicly available. This model is based on a linear combination of maps for interstellar gas column density in Galactocentric annuli and for the inverse-Compton emission produced in the Galaxy. In the GIEM, we also include large-scale structures like Loop. I and the Fermi bubbles. The measured gas emissivity spectra confirm that the cosmic-ray proton density decreases with Galactocentric distance beyond 5 kpc from the Galactic Center. The measurements also suggest a softening of the proton spectrum with Galactocentric distance. We observe that the Fermi bubbles have boundaries with a shape similar to a catenary at latitudes below 20 degrees and we observe an enhanced emission toward their base extending in the north and south Galactic directions and located within similar to 4 degrees of the Galactic Center.
Subject headings and genre
- NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
- NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- gamma rays: diffuse background
- gamma rays: general
- gamma rays: ISM
Added entries (persons, corporate bodies, meetings, titles ...)
- Ackermann, M. (author)
- Ajello, M. (author)
- Albert, A. (author)
- Baldini, L. (author)
- Ballet, J. (author)
- Barbiellini, G. (author)
- Bastieri, D. (author)
- Bellazzini, R. (author)
- Bissaldi, E. (author)
- Bloom, E. D. (author)
- Bonino, R. (author)
- Bottacini, E. (author)
- Brandt, T. J. (author)
- Bregeon, J. (author)
- Bruel, P. (author)
- Buehler, R. (author)
- Buson, S. (author)
- Caliandro, G. A. (author)
- Cameron, R. A. (author)
- Caragiulo, M. (author)
- Caraveo, P. A. (author)
- Casandjian, J. M. (author)
- Cavazzuti, E. (author)
- Cecchi, C. (author)
- Charles, E. (author)
- Chekhtman, A. (author)
- Chiang, J. (author)
- Chiaro, G. (author)
- Ciprini, S. (author)
- Claus, R. (author)
- Cohen-Tanugi, J. (author)
- Conrad, JanStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)conrad (author)
- Cuoco, A. (author)
- Cutini, S. (author)
- D'Ammando, F. (author)
- de Angelis, A. (author)
- de Palma, F. (author)
- Desiante, R. (author)
- Digel, S. W. (author)
- Li, L.KTH,Partikel- och astropartikelfysik(Swepub:kth)- (author)
- Drell, P. S. (author)
- Favuzzi, C. (author)
- Fegan, S. J. (author)
- Ferrara, E. C. (author)
- Focke, W. B. (author)
- Franckowiak, A. (author)
- Funk, S. (author)
- Fusco, P. (author)
- Gargano, F. (author)
- Gasparrini, D. (author)
- Giglietto, N. (author)
- Giordano, F. (author)
- Giroletti, M. (author)
- Glanzman, T. (author)
- Godfrey, G. (author)
- Grenier, I. A. (author)
- Guiriec, S. (author)
- Hadasch, D. (author)
- Harding, A. K. (author)
- Hayashi, K. (author)
- Hays, E. (author)
- Hewitt, J. W. (author)
- Hill, A. B. (author)
- Horan, D. (author)
- Hou, X. (author)
- Jogler, T. (author)
- Johannesson, G. (author)
- Kamae, T. (author)
- Kuss, M. (author)
- Landriu, D. (author)
- Larsson, StefanKTH,Partikel- och astropartikelfysik(Swepub:kth)u1xfjjbn (author)
- Latronico, L. (author)
- Li, J. (author)
- Li, L. (author)
- Longo, F. (author)
- Loparco, F. (author)
- Lovellette, M. N. (author)
- Lubrano, P. (author)
- Maldera, S. (author)
- Malyshev, D. (author)
- Manfreda, A. (author)
- Martin, P. (author)
- Mayer, M. (author)
- Mazziotta, M. N. (author)
- McEnery, J. E. (author)
- Michelson, P. F. (author)
- Mirabal, N. (author)
- Mizuno, T. (author)
- Monzani, M. E. (author)
- Morselli, A. (author)
- Nuss, E. (author)
- Ohsugi, T. (author)
- Omodei, N. (author)
- Orienti, M. (author)
- Orlando, E. (author)
- Ormes, J. F. (author)
- Paneque, D. (author)
- Pesce-Rollins, M. (author)
- Piron, F. (author)
- Pivato, G. (author)
- Raino, S. (author)
- Rando, R. (author)
- Razzano, M. (author)
- Razzaque, S. (author)
- Reimer, A. (author)
- Reimer, O. (author)
- Remy, Q. (author)
- Renault, N. (author)
- Sanchez-Conde, MiguelStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)msanc (author)
- Schaal, M. (author)
- Schulz, A. (author)
- Sgro, C. (author)
- Siskind, E. J. (author)
- Spada, F. (author)
- Spandre, G. (author)
- Spinelli, P. (author)
- Strong, A. W. (author)
- Suson, D. J. (author)
- Tajima, H. (author)
- Takahashi, H. (author)
- Thayer, J. B. (author)
- Thompson, D. J. (author)
- Tibaldo, L. (author)
- Tinivella, M. (author)
- Torres, D. F. (author)
- Tosti, G. (author)
- Troja, E. (author)
- Vianello, G. (author)
- Werner, M. (author)
- Wood, K. S. (author)
- Wood, M. (author)
- Zaharijas, G. (author)
- Zimmer, StephanStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)stzi0820 (author)
- Stockholms universitetFysikum (creator_code:org_t)
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- In:Astrophysical Journal Supplement Series: American Astronomical Society223:20067-00491538-4365
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- Ackermann, M.
- Ajello, M.
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- Barbiellini, G.
- Bastieri, D.
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- Brandt, T. J.
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- Bruel, P.
- Buehler, R.
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- Conrad, Jan
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- D'Ammando, F.
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- de Palma, F.
- Desiante, R.
- Digel, S. W.
- Li, L.
- Drell, P. S.
- Favuzzi, C.
- Fegan, S. J.
- Ferrara, E. C.
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- Franckowiak, A.
- Funk, S.
- Fusco, P.
- Gargano, F.
- Gasparrini, D.
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