Spatially Resolving the very high Energy Emission from MGRO J2019+37 with VERITAS

Aliu, E.; Gillanders, G. H.; Quinn, J.; Pandel, D.; Cui, W.; Kieda, D.; Richards, G. T.; Kargaltsev, O.; Holder, J.; Kertzman, M.; Kaaret, P.; Gotthelf, E. V.; Connolly, M. P.; Weinstein, A.; Grube, J.; McCann, A.; Lang, M. J.; Ragan, K.; Bugaev, V.; Johnson, C. A.; Smith, A. W.; Millis, J.; Sembroski, G. H.; Aune, T.; Fleischhack, H.; Shahinyan, K.; Finley, J. P.; Mukherjee, R.; Bouvier, A.; McArthur, S.; Park, N.; Roache, E.; Otte, A. N.; Chen, Xuhui; Gyuk, G.; Fortson, L.; Hughes, G.; Dwarkadas, V. V.; Ong, R. A.; Furniss, A.; Fortin, P.; Wilhelm, A.; Galante, N.; Feng, Q.; Hanna, D.; Dumm, J.; Telezhinsky, I.; Williams, D. A.; Ciupik, L.; O'Faoláin de Bhróithe, A.; Vincent, S.; Reyes, L. C.; Falcone, A.; Behera, B.; Benbow, W.; Welsing, R.; Nieto, D.; Errando, M.; Staszak, D.; Maier, G.; Zitzer, B.; Tucci, J. V.; Cerruti, M.; Reynolds, P. T.; Wakely, S. P.; Bird, R.; Roberts, M.; Humensky, T. B.; Moriarty, P.; Krennrich, F.; Madhavan, A. S; Buckley, J. H.; Rajotte, J.; Beilicke, M.; Khassen, Y.; Pohl, M.; Griffiths, S. T.; Popkow, A.; Berger, K.; Tyler, J.; Griffin, S.; Federici, S.; Prokoph, H.

doi:10.1088/0004-637X/788/1/78

Journal Article

DESY-2014-03043

Spatially Resolving the very high Energy Emission from MGRO J2019+37 with VERITAS

Aliu, E. (Corresponding Author) ; Aune, T. ; Behera, B.DESY* ; Beilicke, M.Extern* ; Benbow, W. ; Berger, K. ; Bird, R. ; Bouvier, A. ; Buckley, J. H. ; Bugaev, V. ; Cerruti, M. ; Chen, X.DESY* ; Ciupik, L. ; Connolly, M. P. ; Cui, W. ; Dumm, J. ; Dwarkadas, V. V. ; Errando, M. ; Falcone, A. ; Federici, S.Extern*DESY* ; Feng, Q. ; Finley, J. P. ; Fleischhack, H.DESY* ; Fortin, P. ; Fortson, L. ; Furniss, A. ; Galante, N. ; Gillanders, G. H. ; Gotthelf, E. V. ; Griffin, S. ; Griffiths, S. T. ; Grube, J. ; Gyuk, G. ; Hanna, D. ; Holder, J. ; Hughes, G.Extern* ; Humensky, T. B. ; Johnson, C. A. ; Kaaret, P. ; Kargaltsev, O. ; Kertzman, M. ; Khassen, Y. ; Kieda, D. ; Krennrich, F. ; Lang, M. J. ; Madhavan, A. S. ; Maier, G.DESY* ; McArthur, S. ; McCann, A. ; Millis, J. ; Moriarty, P. ; Mukherjee, R. ; Nieto, D. ; O'Faoláin de Bhróithe, A. ; Ong, R. A. ; Otte, A. N. ; Pandel, D. ; Park, N. ; Pohl, M.DESY* ; Popkow, A. ; Prokoph, H.DESY* ; Quinn, J. ; Ragan, K. ; Rajotte, J. ; Reyes, L. C. ; Reynolds, P. T. ; Richards, G. T. ; Roache, E. ; Roberts, M. ; Sembroski, G. H. ; Shahinyan, K. ; Smith, A. W. ; Staszak, D. ; Telezhinsky, I.DESY* ; Tucci, J. V. ; Tyler, J. ; Vincent, S.Extern* ; Wakely, S. P. ; Weinstein, A. ; Welsing, R.DESY* ; Wilhelm, A. ; Williams, D. A. ; Zitzer, B.

2014
Univ.11032 Chicago, Ill. [u.a.]

The astrophysical journal 788(1), 78 (2014) [10.1088/0004-637X/788/1/78]

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Please use a persistent id in citations: doi:10.1088/0004-637X/788/1/78

Abstract: We present very high energy (VHE) imaging of MGRO J2019+37 obtained with the VERITAS observatory. The bright extended (~2°) unidentified Milagro source is located toward the rich star formation region Cygnus-X. MGRO J2019+37 is resolved into two VERITAS sources. The faint, point-like source VER J2016+371 overlaps CTB 87, a filled-center remnant (SNR) with no evidence of a supernova remnant shell at the present time. Its spectrum is well fit in the 0.65-10 TeV energy range by a power-law model with photon index 2.3 ± 0.4. VER J2019+378 is a bright extended (~1°) source that likely accounts for the bulk of the Milagro emission and is notably coincident with PSR J2021+3651 and the star formation region Sh 2–104. Its spectrum in the range 1-30 TeV is well fit with a power-law model of photon index 1.75 ± 0.3, among the hardest values measured in the VHE band, comparable to that observed near Vela-X. We explore the unusual spectrum and morphology in the radio and X-ray bands to constrain possible emission mechanisms for this source.

Classification:

ddc:520

Contributing Institute(s):

Cherenkov Telescope Array (ZEU-CTA)

Research Program(s):

523 - High-energy gamma ray astronomy (POF2-523) (POF2-523)

Experiment(s):

No specific instrument

Appears in the scientific report 2014

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Medline

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; JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection ; Zoological Record

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Record created 2014-07-17, last modified 2025-07-30

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