Investigating the TEV morphology of MGRO j1908+06 with VERITAS

E. Aliu; S. Archambault; T. Aune; B. Behera; M. Beilicke; W. Benbow; K. Berger; R. Bird; J. H. Buckley; V. Bugaev; J. V. Cardenzana; M. Cerruti; X. Chen; L. Ciupik; E. Collins-Hughes; M. P. Connolly; W. Cui; J. Dumm; V. V. Dwarkadas; M. Errando; A. Falcone; S. Federici; Q. Feng; J. P. Finley; H. Fleischhack; P. Fortin; L. Fortson; A. Furniss; N. Galante; D. Gall; G. H. Gillanders; S. Griffin; S. T. Griffiths; J. Grube; G. Gyuk; D. Hanna; J. Holder; G. Hughes; T. B. Humensky; P. Kaaret; M. Kertzman; Y. Khassen; D. Kieda; F. Krennrich; S. Kumar; M. J. Lang; A. S. Madhavan; G. Maier; A. J. McCann; K. Meagher; J. Millis; P. Moriarty; R. Mukherjee; D. Nieto; A. O Faoláin De Bhróithe; R. A. Ong; A. N. Otte; D. Pandel; N. Park; M. Pohl; A. Popkow; H. Prokoph; J. Quinn; K. Ragan; J. Rajotte; G. Ratliff; L. C. Reyes; P. T. Reynolds; G. T. Richards; E. Roache; J. Rousselle; G. H. Sembroski; K. Shahinyan; F. Sheidaei; A. W. Smith; D. Staszak; I. Telezhinsky; K. Tsurusaki; J. V. Tucci; J. Tyler; A. Varlotta; V. V. Vassiliev; S. Vincent; S. P. Wakely; J. E. Ward; A. Weinstein; R. Welsing; A. Wilhelm

doi:10.1088/0004-637X/787/2/166

Investigating the TEV morphology of MGRO j1908+06 with VERITAS

E. Aliu, S. Archambault, T. Aune, B. Behera, M. Beilicke, W. Benbow, K. Berger, R. Bird, J. H. Buckley, V. Bugaev, J. V. Cardenzana, M. Cerruti, X. Chen, L. Ciupik, E. Collins-Hughes, M. P. Connolly, W. Cui, J. Dumm, V. V. Dwarkadas, M. ErrandoA. Falcone, S. Federici, Q. Feng, J. P. Finley, H. Fleischhack, P. Fortin, L. Fortson, A. Furniss, N. Galante, D. Gall, G. H. Gillanders, S. Griffin, S. T. Griffiths, J. Grube, G. Gyuk, D. Hanna, J. Holder, G. Hughes, T. B. Humensky, P. Kaaret, M. Kertzman, Y. Khassen, D. Kieda, F. Krennrich, S. Kumar, M. J. Lang, A. S. Madhavan, G. Maier, A. J. McCann, K. Meagher, J. Millis, P. Moriarty, R. Mukherjee, D. Nieto, A. O Faoláin De Bhróithe, R. A. Ong, A. N. Otte, D. Pandel, N. Park, M. Pohl, A. Popkow, H. Prokoph, J. Quinn, K. Ragan, J. Rajotte, G. Ratliff, L. C. Reyes, P. T. Reynolds, G. T. Richards, E. Roache, J. Rousselle, G. H. Sembroski, K. Shahinyan, F. Sheidaei, A. W. Smith, D. Staszak, I. Telezhinsky, K. Tsurusaki, J. V. Tucci, J. Tyler, A. Varlotta, V. V. Vassiliev, S. Vincent, S. P. Wakely, J. E. Ward, A. Weinstein, R. Welsing, A. Wilhelm

Physics and Astronomy (Twin Cities)

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Abstract

We report on deep observations of the extended TeV gamma-ray source MGRO J1908+06 made with the VERITAS very high energy gamma-ray observatory. Previously, the TeV emission has been attributed to the pulsar wind nebula (PWN) of the Fermi-LAT pulsar PSR J1907+0602. We detect MGRO J1908+06 at a significance level of 14 standard deviations (14σ) and measure a photon index of 2.20 ± 0.10_stat± 0.20_sys. The TeV emission is extended, covering the region near PSR J1907+0602 and also extending toward SNR G40.5-0.5. When fitted with a two-dimensional Gaussian, the intrinsic extension has a standard deviation of σ_src = 0.°44 ± 0.°02. In contrast to other TeV PWNe of similar age in which the TeV spectrum softens with distance from the pulsar, the TeV spectrum measured near the pulsar location is consistent with that measured at a position near the rim of G40.5-0.5, 0.°33 away.

Original language	English (US)
Article number	166
Journal	Astrophysical Journal
Volume	787
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/787/2/166
State	Published - Jun 1 2014

Keywords

ISM: supernova remnants
gamma rays: general

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Aliu, E., Archambault, S., Aune, T., Behera, B., Beilicke, M., Benbow, W., Berger, K., Bird, R., Buckley, J. H., Bugaev, V., Cardenzana, J. V., Cerruti, M., Chen, X., Ciupik, L., Collins-Hughes, E., Connolly, M. P., Cui, W., Dumm, J., Dwarkadas, V. V., ... Wilhelm, A. (2014). Investigating the TEV morphology of MGRO j1908+06 with VERITAS. Astrophysical Journal, 787(2), Article 166. https://doi.org/10.1088/0004-637X/787/2/166

Aliu, E, Archambault, S, Aune, T, Behera, B, Beilicke, M, Benbow, W, Berger, K, Bird, R, Buckley, JH, Bugaev, V, Cardenzana, JV, Cerruti, M, Chen, X, Ciupik, L, Collins-Hughes, E, Connolly, MP, Cui, W, Dumm, J, Dwarkadas, VV, Errando, M, Falcone, A, Federici, S, Feng, Q, Finley, JP, Fleischhack, H, Fortin, P, Fortson, L, Furniss, A, Galante, N, Gall, D, Gillanders, GH, Griffin, S, Griffiths, ST, Grube, J, Gyuk, G, Hanna, D, Holder, J, Hughes, G, Humensky, TB, Kaaret, P, Kertzman, M, Khassen, Y, Kieda, D, Krennrich, F, Kumar, S, Lang, MJ, Madhavan, AS, Maier, G, McCann, AJ, Meagher, K, Millis, J, Moriarty, P, Mukherjee, R, Nieto, D, De Bhróithe, AOF, Ong, RA, Otte, AN, Pandel, D, Park, N, Pohl, M, Popkow, A, Prokoph, H, Quinn, J, Ragan, K, Rajotte, J, Ratliff, G, Reyes, LC, Reynolds, PT, Richards, GT, Roache, E, Rousselle, J, Sembroski, GH, Shahinyan, K, Sheidaei, F, Smith, AW, Staszak, D, Telezhinsky, I, Tsurusaki, K, Tucci, JV, Tyler, J, Varlotta, A, Vassiliev, VV, Vincent, S, Wakely, SP, Ward, JE, Weinstein, A, Welsing, R & Wilhelm, A 2014, 'Investigating the TEV morphology of MGRO j1908+06 with VERITAS', Astrophysical Journal, vol. 787, no. 2, 166. https://doi.org/10.1088/0004-637X/787/2/166

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title = "Investigating the TEV morphology of MGRO j1908+06 with VERITAS",

abstract = "We report on deep observations of the extended TeV gamma-ray source MGRO J1908+06 made with the VERITAS very high energy gamma-ray observatory. Previously, the TeV emission has been attributed to the pulsar wind nebula (PWN) of the Fermi-LAT pulsar PSR J1907+0602. We detect MGRO J1908+06 at a significance level of 14 standard deviations (14σ) and measure a photon index of 2.20 ± 0.10stat± 0.20sys. The TeV emission is extended, covering the region near PSR J1907+0602 and also extending toward SNR G40.5-0.5. When fitted with a two-dimensional Gaussian, the intrinsic extension has a standard deviation of σsrc = 0.°44 ± 0.°02. In contrast to other TeV PWNe of similar age in which the TeV spectrum softens with distance from the pulsar, the TeV spectrum measured near the pulsar location is consistent with that measured at a position near the rim of G40.5-0.5, 0.°33 away.",

keywords = "ISM: supernova remnants, gamma rays: general",

author = "E. Aliu and S. Archambault and T. Aune and B. Behera and M. Beilicke and W. Benbow and K. Berger and R. Bird and Buckley, {J. H.} and V. Bugaev and Cardenzana, {J. V.} and M. Cerruti and X. Chen and L. Ciupik and E. Collins-Hughes and Connolly, {M. P.} and W. Cui and J. Dumm and Dwarkadas, {V. V.} and M. Errando and A. Falcone and S. Federici and Q. Feng and Finley, {J. P.} and H. Fleischhack and P. Fortin and L. Fortson and A. Furniss and N. Galante and D. Gall and Gillanders, {G. H.} and S. Griffin and Griffiths, {S. T.} and J. Grube and G. Gyuk and D. Hanna and J. Holder and G. Hughes and Humensky, {T. B.} and P. Kaaret and M. Kertzman and Y. Khassen and D. Kieda and F. Krennrich and S. Kumar and Lang, {M. J.} and Madhavan, {A. S.} and G. Maier and McCann, {A. J.} and K. Meagher and J. Millis and P. Moriarty and R. Mukherjee and D. Nieto and {De Bhr{\'o}ithe}, {A. O Faol{\'a}in} and Ong, {R. A.} and Otte, {A. N.} and D. Pandel and N. Park and M. Pohl and A. Popkow and H. Prokoph and J. Quinn and K. Ragan and J. Rajotte and G. Ratliff and Reyes, {L. C.} and Reynolds, {P. T.} and Richards, {G. T.} and E. Roache and J. Rousselle and Sembroski, {G. H.} and K. Shahinyan and F. Sheidaei and Smith, {A. W.} and D. Staszak and I. Telezhinsky and K. Tsurusaki and Tucci, {J. V.} and J. Tyler and A. Varlotta and Vassiliev, {V. V.} and S. Vincent and Wakely, {S. P.} and Ward, {J. E.} and A. Weinstein and R. Welsing and A. Wilhelm",

year = "2014",

month = jun,

day = "1",

doi = "10.1088/0004-637X/787/2/166",

language = "English (US)",

volume = "787",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "IOP Publishing Ltd.",

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TY - JOUR

T1 - Investigating the TEV morphology of MGRO j1908+06 with VERITAS

AU - Aliu, E.

AU - Archambault, S.

AU - Aune, T.

AU - Behera, B.

AU - Beilicke, M.

AU - Benbow, W.

AU - Berger, K.

AU - Bird, R.

AU - Buckley, J. H.

AU - Bugaev, V.

AU - Cardenzana, J. V.

AU - Cerruti, M.

AU - Chen, X.

AU - Ciupik, L.

AU - Collins-Hughes, E.

AU - Connolly, M. P.

AU - Cui, W.

AU - Dumm, J.

AU - Dwarkadas, V. V.

AU - Errando, M.

AU - Falcone, A.

AU - Federici, S.

AU - Feng, Q.

AU - Finley, J. P.

AU - Fleischhack, H.

AU - Fortin, P.

AU - Fortson, L.

AU - Furniss, A.

AU - Galante, N.

AU - Gall, D.

AU - Gillanders, G. H.

AU - Griffin, S.

AU - Griffiths, S. T.

AU - Grube, J.

AU - Gyuk, G.

AU - Hanna, D.

AU - Holder, J.

AU - Hughes, G.

AU - Humensky, T. B.

AU - Kaaret, P.

AU - Kertzman, M.

AU - Khassen, Y.

AU - Kieda, D.

AU - Krennrich, F.

AU - Kumar, S.

AU - Lang, M. J.

AU - Madhavan, A. S.

AU - Maier, G.

AU - McCann, A. J.

AU - Meagher, K.

AU - Millis, J.

AU - Moriarty, P.

AU - Mukherjee, R.

AU - Nieto, D.

AU - De Bhróithe, A. O Faoláin

AU - Ong, R. A.

AU - Otte, A. N.

AU - Pandel, D.

AU - Park, N.

AU - Pohl, M.

AU - Popkow, A.

AU - Prokoph, H.

AU - Quinn, J.

AU - Ragan, K.

AU - Rajotte, J.

AU - Ratliff, G.

AU - Reyes, L. C.

AU - Reynolds, P. T.

AU - Richards, G. T.

AU - Roache, E.

AU - Rousselle, J.

AU - Sembroski, G. H.

AU - Shahinyan, K.

AU - Sheidaei, F.

AU - Smith, A. W.

AU - Staszak, D.

AU - Telezhinsky, I.

AU - Tsurusaki, K.

AU - Tucci, J. V.

AU - Tyler, J.

AU - Varlotta, A.

AU - Vassiliev, V. V.

AU - Vincent, S.

AU - Wakely, S. P.

AU - Ward, J. E.

AU - Weinstein, A.

AU - Welsing, R.

AU - Wilhelm, A.

PY - 2014/6/1

Y1 - 2014/6/1

N2 - We report on deep observations of the extended TeV gamma-ray source MGRO J1908+06 made with the VERITAS very high energy gamma-ray observatory. Previously, the TeV emission has been attributed to the pulsar wind nebula (PWN) of the Fermi-LAT pulsar PSR J1907+0602. We detect MGRO J1908+06 at a significance level of 14 standard deviations (14σ) and measure a photon index of 2.20 ± 0.10stat± 0.20sys. The TeV emission is extended, covering the region near PSR J1907+0602 and also extending toward SNR G40.5-0.5. When fitted with a two-dimensional Gaussian, the intrinsic extension has a standard deviation of σsrc = 0.°44 ± 0.°02. In contrast to other TeV PWNe of similar age in which the TeV spectrum softens with distance from the pulsar, the TeV spectrum measured near the pulsar location is consistent with that measured at a position near the rim of G40.5-0.5, 0.°33 away.

AB - We report on deep observations of the extended TeV gamma-ray source MGRO J1908+06 made with the VERITAS very high energy gamma-ray observatory. Previously, the TeV emission has been attributed to the pulsar wind nebula (PWN) of the Fermi-LAT pulsar PSR J1907+0602. We detect MGRO J1908+06 at a significance level of 14 standard deviations (14σ) and measure a photon index of 2.20 ± 0.10stat± 0.20sys. The TeV emission is extended, covering the region near PSR J1907+0602 and also extending toward SNR G40.5-0.5. When fitted with a two-dimensional Gaussian, the intrinsic extension has a standard deviation of σsrc = 0.°44 ± 0.°02. In contrast to other TeV PWNe of similar age in which the TeV spectrum softens with distance from the pulsar, the TeV spectrum measured near the pulsar location is consistent with that measured at a position near the rim of G40.5-0.5, 0.°33 away.

KW - ISM: supernova remnants

KW - gamma rays: general

UR - http://www.scopus.com/inward/record.url?scp=84901020696&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84901020696&partnerID=8YFLogxK

U2 - 10.1088/0004-637X/787/2/166

DO - 10.1088/0004-637X/787/2/166

M3 - Article

AN - SCOPUS:84901020696

SN - 0004-637X

VL - 787

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 166

ER -

Investigating the TEV morphology of MGRO j1908+06 with VERITAS

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