SIMBAD references

2014ApJ...788...78A - Astrophys. J., 788, 78 (2014/June-2)

Spatially resolving the very high energy emission from MGRO J2019+37 with VERITAS.

ALIU E., AUNE T., BEHERA B., BEILICKE M., BENBOW W., BERGER K., BIRD R., BOUVIER A., BUCKLEY J.H., BUGAEV V., CERRUTI M., CHEN X., CIUPIK L., CONNOLLY M.P., CUI W., DUMM J., DWARKADAS V.V., ERRANDO M., FALCONE A., FEDERICI S., FENG Q., FINLEY J.P., FLEISCHHACK H., 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., 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., McARTHUR S., McCANN A., MILLIS J., MORIARTY P., MUKHERJEE R., NIETO D., O'FAOLAIN DE BHROITHE A., ONG R.A., OTTE A.N., PANDEL D., PARK N., POHL M., POPKOW A., PROKOPH H., 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., TUCCI J.V., TYLER J., VINCENT S., WAKELY S.P., WEINSTEIN A., WELSING R., WILHELM A., WILLIAMS D.A. and ZITZER B.

Abstract (from CDS):

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.

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Journal keyword(s): gamma rays: stars - pulsars: individual: PSR J2021+3651 - supernovae: individual: CTB 87

Simbad objects: 23

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