Abstract
The high-frequency-peaked BL Lacertae object RGBJ0710+591 was observed in the very high-energy (VHE; E > 100GeV) wave band by the VERITAS array of atmospheric Cherenkov telescopes. The observations, taken between 2008 December and 2009 March and totaling 22.1 hr, yield the discovery of VHE gamma rays from the source. RGBJ0710+591 is detected at a statistical significance of 5.5 standard deviations (5.5σ) above the background, corresponding to an integral flux of (3.9 ± 0.8) × 10-12 cm-2 s-1 (3% of the Crab Nebula's flux) above 300GeV. The observed spectrum can be fit by a power law from 0.31 to 4.6TeV with a photon spectral index of 2.69 ± 0.26stat ± 0.20sys. These data are complemented by contemporaneous multiwavelength data from the Fermi Large Area Telescope, the Swift X-ray Telescope, the Swift Ultra-Violet and Optical Telescope, and the Michigan-Dartmouth-MIT observatory. Modeling the broadband spectral energy distribution (SED) with an equilibrium synchrotron self-Compton model yields a good statistical fit to the data. The addition of an external-Compton component to the model does not improve the fit nor brings the system closer to equipartition. The combined Fermi and VERITAS data constrain the properties of the high-energy emission component of the source over 4 orders of magnitude and give measurements of the rising and falling sections of the SED.
| Original language | English (US) |
|---|---|
| Pages (from-to) | L49-L55 |
| Journal | Astrophysical Journal Letters |
| Volume | 715 |
| Issue number | 1 PART 2 |
| DOIs | |
| State | Published - 2010 |
All Science Journal Classification (ASJC) codes
- Astronomy and Astrophysics
- Space and Planetary Science
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The discovery of γ-ray emission from the blazar RGBJ0710+591. / Acciari, V. A.; Aliu, E.; Arlen, T.; Aune, T.; Bautista, M.; Beilicke, M.; Benbow, W.; Böttcher, M.; Boltuch, D.; Bradbury, S. M.; Buckley, J. H.; Bugaev, V.; Byrum, K.; Cannon, A.; Cesarini, A.; Ciupik, L.; Cui, W.; Dickherber, R.; Duke, C.; Falcone, A.; Finley, J. P.; Finnegan, G.; Fortson, L.; Furniss, A.; Galante, N.; Gall, D.; Gibbs, K.; Gillanders, G. H.; Godambe, S.; Grube, J.; Guenette, R.; Gyuk, G.; Hanna, D.; Holder, J.; Hui, C. M.; Humensky, T. B.; Imran, A.; Kaaret, P.; Karlsson, N.; Kertzman, M.; Kieda, D.; Konopelko, A.; Krawczynski, H.; Krennrich, F.; Lang, M. J.; Lamerato, A.; Lebohec, S.; Maier, G.; McArthur, S.; McCann, A.; McCutcheon, M.; Moriarty, P.; Mukherjee, R.; Ong, R. A.; Otte, A. N.; Pandel, D.; Perkins, J. S.; Petry, D.; Pichel, A.; Pohl, M.; Quinn, J.; Ragan, K.; Reyes, L. C.; Reynolds, P. T.; Roache, E.; Rose, H. J.; Roustazadeh, P.; Schroedter, M.; Sembroski, G. H.; Senturk, G. Demet; Smith, A. W.; Steele, D.; Swordy, S. P.; Tešić, G.; Theiling, M.; Thibadeau, S.; Varlotta, A.; Vassiliev, V. V.; Vincent, S.; Wagner, R. G.; Wakely, S. P.; Ward, J. E.; Weekes, T. C.; Weinstein, A.; Weisgarber, T.; Williams, D. A.; Wissel, S.; Wood, M.; Zitzer, B.; Ackermann, M.; Ajello, M.; Antolini, E.; Baldini, L.; Ballet, J.; Barbiellini, G.; Bastieri, D.; Bechtol, K.; Bellazzini, R.; Berenji, B.; Blandford, R. D.; Bloom, E. D.; Bonamente, E.; Borgland, A. W.; Bouvier, A.; Bregeon, J.; Brigida, M.; Bruel, P.; Buehler, R.; Buson, S.; Caliandro, G. A.; Cameron, R. A.; Caraveo, P. A.; Carrigan, S.; Casandjian, J. M.; Cavazzuti, E.; Cecchi, C.; Çelik, Ö; Charles, E.; Chekhtman, A.; Cheung, C. C.; Chiang, J.; Ciprini, S.; Claus, R.; Cohen-Tanugi, J.; Conrad, J.; Dermer, C. D.; De Palma, F.; Do Couto E Silva, E.; Drell, P. S.; Dubois, R.; Dumora, D.; Farnier, C.; Favuzzi, C.; Fegan, S. J.; Fortin, P.; Frailis, M.; Fukazawa, Y.; Funk, S.; Fusco, P.; Gargano, F.; Gasparrini, D.; Gehrels, N.; Germani, S.; Giebels, B.; Giglietto, N.; Giordano, F.; Giroletti, M.; Glanzman, T.; Godfrey, G.; Grenier, I. A.; Grove, J. E.; Guiriec, S.; Hays, E.; Horan, D.; Hughes, R. E.; Jóhannesson, G.; Johnson, A. S.; Johnson, W. N.; Kamae, T.; Katagiri, H.; Kataoka, J.; Knödlseder, J.; Kuss, M.; Lande, J.; Latronico, L.; Lee, S. H.; Garde, M. Llena; Longo, F.; Loparco, F.; Lott, B.; Lovellette, M. N.; Lubrano, P.; Makeev, A.; Mazziotta, M. N.; Michelson, P. F.; Mitthumsiri, W.; Mizuno, T.; Moiseev, A. A.; Monte, C.; Monzani, M. E.; Morselli, A.; Moskalenko, I. V.; Murgia, S.; Nolan, P. L.; Norris, J. P.; Nuss, E.; Ohno, M.; Ohsugi, T.; Omodei, N.; Orlando, E.; Ormes, J. F.; Paneque, D.; Panetta, J. H.; Pelassa, V.; Pepe, M.; Pesce-Rollins, M.; Piron, F.; Porter, T. A.; Rainò, S.; Rando, R.; Razzano, M.; Reimer, A.; Reimer, O.; Ripken, J.; Rodriguez, A. Y.; Roth, M.; Sadrozinski, H. F.W.; Sanchez, D.; Sander, A.; Scargle, J. D.; Sgrò, C.; Siskind, E. J.; Smith, P. D.; Spandre, G.; Spinelli, P.; Strickman, M. S.; Suson, D. J.; Takahashi, H.; Tanaka, T.; Thayer, J. B.; Thayer, J. G.; Thompson, D. J.; Tibaldo, L.; Torres, D. F.; Tosti, G.; Tramacere, A.; Usher, T. L.; Vasileiou, V.; Vilchez, N.; Vitale, V.; Waite, A. P.; Wang, P.; Winer, B. L.; Wood, K. S.; Yang, Z.; Ylinen, T.; Ziegler, M.
In: Astrophysical Journal Letters, Vol. 715, No. 1 PART 2, 2010, p. L49-L55.Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - The discovery of γ-ray emission from the blazar RGBJ0710+591
AU - Acciari, V. A.
AU - Aliu, E.
AU - Arlen, T.
AU - Aune, T.
AU - Bautista, M.
AU - Beilicke, M.
AU - Benbow, W.
AU - Böttcher, M.
AU - Boltuch, D.
AU - Bradbury, S. M.
AU - Buckley, J. H.
AU - Bugaev, V.
AU - Byrum, K.
AU - Cannon, A.
AU - Cesarini, A.
AU - Ciupik, L.
AU - Cui, W.
AU - Dickherber, R.
AU - Duke, C.
AU - Falcone, A.
AU - Finley, J. P.
AU - Finnegan, G.
AU - Fortson, L.
AU - Furniss, A.
AU - Galante, N.
AU - Gall, D.
AU - Gibbs, K.
AU - Gillanders, G. H.
AU - Godambe, S.
AU - Grube, J.
AU - Guenette, R.
AU - Gyuk, G.
AU - Hanna, D.
AU - Holder, J.
AU - Hui, C. M.
AU - Humensky, T. B.
AU - Imran, A.
AU - Kaaret, P.
AU - Karlsson, N.
AU - Kertzman, M.
AU - Kieda, D.
AU - Konopelko, A.
AU - Krawczynski, H.
AU - Krennrich, F.
AU - Lang, M. J.
AU - Lamerato, A.
AU - Lebohec, S.
AU - Maier, G.
AU - McArthur, S.
AU - McCann, A.
AU - McCutcheon, M.
AU - Moriarty, P.
AU - Mukherjee, R.
AU - Ong, R. A.
AU - Otte, A. N.
AU - Pandel, D.
AU - Perkins, J. S.
AU - Petry, D.
AU - Pichel, A.
AU - Pohl, M.
AU - Quinn, J.
AU - Ragan, K.
AU - Reyes, L. C.
AU - Reynolds, P. T.
AU - Roache, E.
AU - Rose, H. J.
AU - Roustazadeh, P.
AU - Schroedter, M.
AU - Sembroski, G. H.
AU - Senturk, G. Demet
AU - Smith, A. W.
AU - Steele, D.
AU - Swordy, S. P.
AU - Tešić, G.
AU - Theiling, M.
AU - Thibadeau, S.
AU - Varlotta, A.
AU - Vassiliev, V. V.
AU - Vincent, S.
AU - Wagner, R. G.
AU - Wakely, S. P.
AU - Ward, J. E.
AU - Weekes, T. C.
AU - Weinstein, A.
AU - Weisgarber, T.
AU - Williams, D. A.
AU - Wissel, S.
AU - Wood, M.
AU - Zitzer, B.
AU - Ackermann, M.
AU - Ajello, M.
AU - Antolini, E.
AU - Baldini, L.
AU - Ballet, J.
AU - Barbiellini, G.
AU - Bastieri, D.
AU - Bechtol, K.
AU - Bellazzini, R.
AU - Berenji, B.
AU - Blandford, R. D.
AU - Bloom, E. D.
AU - Bonamente, E.
AU - Borgland, A. W.
AU - Bouvier, A.
AU - Bregeon, J.
AU - Brigida, M.
AU - Bruel, P.
AU - Buehler, R.
AU - Buson, S.
AU - Caliandro, G. A.
AU - Cameron, R. A.
AU - Caraveo, P. A.
AU - Carrigan, S.
AU - Casandjian, J. M.
AU - Cavazzuti, E.
AU - Cecchi, C.
AU - Çelik, Ö
AU - Charles, E.
AU - Chekhtman, A.
AU - Cheung, C. C.
AU - Chiang, J.
AU - Ciprini, S.
AU - Claus, R.
AU - Cohen-Tanugi, J.
AU - Conrad, J.
AU - Dermer, C. D.
AU - De Palma, F.
AU - Do Couto E Silva, E.
AU - Drell, P. S.
AU - Dubois, R.
AU - Dumora, D.
AU - Farnier, C.
AU - Favuzzi, C.
AU - Fegan, S. J.
AU - Fortin, P.
AU - Frailis, M.
AU - Fukazawa, Y.
AU - Funk, S.
AU - Fusco, P.
AU - Gargano, F.
AU - Gasparrini, D.
AU - Gehrels, N.
AU - Germani, S.
AU - Giebels, B.
AU - Giglietto, N.
AU - Giordano, F.
AU - Giroletti, M.
AU - Glanzman, T.
AU - Godfrey, G.
AU - Grenier, I. A.
AU - Grove, J. E.
AU - Guiriec, S.
AU - Hays, E.
AU - Horan, D.
AU - Hughes, R. E.
AU - Jóhannesson, G.
AU - Johnson, A. S.
AU - Johnson, W. N.
AU - Kamae, T.
AU - Katagiri, H.
AU - Kataoka, J.
AU - Knödlseder, J.
AU - Kuss, M.
AU - Lande, J.
AU - Latronico, L.
AU - Lee, S. H.
AU - Garde, M. Llena
AU - Longo, F.
AU - Loparco, F.
AU - Lott, B.
AU - Lovellette, M. N.
AU - Lubrano, P.
AU - Makeev, A.
AU - Mazziotta, M. N.
AU - Michelson, P. F.
AU - Mitthumsiri, W.
AU - Mizuno, T.
AU - Moiseev, A. A.
AU - Monte, C.
AU - Monzani, M. E.
AU - Morselli, A.
AU - Moskalenko, I. V.
AU - Murgia, S.
AU - Nolan, P. L.
AU - Norris, J. P.
AU - Nuss, E.
AU - Ohno, M.
AU - Ohsugi, T.
AU - Omodei, N.
AU - Orlando, E.
AU - Ormes, J. F.
AU - Paneque, D.
AU - Panetta, J. H.
AU - Pelassa, V.
AU - Pepe, M.
AU - Pesce-Rollins, M.
AU - Piron, F.
AU - Porter, T. A.
AU - Rainò, S.
AU - Rando, R.
AU - Razzano, M.
AU - Reimer, A.
AU - Reimer, O.
AU - Ripken, J.
AU - Rodriguez, A. Y.
AU - Roth, M.
AU - Sadrozinski, H. F.W.
AU - Sanchez, D.
AU - Sander, A.
AU - Scargle, J. D.
AU - Sgrò, C.
AU - Siskind, E. J.
AU - Smith, P. D.
AU - Spandre, G.
AU - Spinelli, P.
AU - Strickman, M. S.
AU - Suson, D. J.
AU - Takahashi, H.
AU - Tanaka, T.
AU - Thayer, J. B.
AU - Thayer, J. G.
AU - Thompson, D. J.
AU - Tibaldo, L.
AU - Torres, D. F.
AU - Tosti, G.
AU - Tramacere, A.
AU - Usher, T. L.
AU - Vasileiou, V.
AU - Vilchez, N.
AU - Vitale, V.
AU - Waite, A. P.
AU - Wang, P.
AU - Winer, B. L.
AU - Wood, K. S.
AU - Yang, Z.
AU - Ylinen, T.
AU - Ziegler, M.
N1 - Copyright: Copyright 2015 Elsevier B.V., All rights reserved.
PY - 2010
Y1 - 2010
N2 - The high-frequency-peaked BL Lacertae object RGBJ0710+591 was observed in the very high-energy (VHE; E > 100GeV) wave band by the VERITAS array of atmospheric Cherenkov telescopes. The observations, taken between 2008 December and 2009 March and totaling 22.1 hr, yield the discovery of VHE gamma rays from the source. RGBJ0710+591 is detected at a statistical significance of 5.5 standard deviations (5.5σ) above the background, corresponding to an integral flux of (3.9 ± 0.8) × 10-12 cm-2 s-1 (3% of the Crab Nebula's flux) above 300GeV. The observed spectrum can be fit by a power law from 0.31 to 4.6TeV with a photon spectral index of 2.69 ± 0.26stat ± 0.20sys. These data are complemented by contemporaneous multiwavelength data from the Fermi Large Area Telescope, the Swift X-ray Telescope, the Swift Ultra-Violet and Optical Telescope, and the Michigan-Dartmouth-MIT observatory. Modeling the broadband spectral energy distribution (SED) with an equilibrium synchrotron self-Compton model yields a good statistical fit to the data. The addition of an external-Compton component to the model does not improve the fit nor brings the system closer to equipartition. The combined Fermi and VERITAS data constrain the properties of the high-energy emission component of the source over 4 orders of magnitude and give measurements of the rising and falling sections of the SED.
AB - The high-frequency-peaked BL Lacertae object RGBJ0710+591 was observed in the very high-energy (VHE; E > 100GeV) wave band by the VERITAS array of atmospheric Cherenkov telescopes. The observations, taken between 2008 December and 2009 March and totaling 22.1 hr, yield the discovery of VHE gamma rays from the source. RGBJ0710+591 is detected at a statistical significance of 5.5 standard deviations (5.5σ) above the background, corresponding to an integral flux of (3.9 ± 0.8) × 10-12 cm-2 s-1 (3% of the Crab Nebula's flux) above 300GeV. The observed spectrum can be fit by a power law from 0.31 to 4.6TeV with a photon spectral index of 2.69 ± 0.26stat ± 0.20sys. These data are complemented by contemporaneous multiwavelength data from the Fermi Large Area Telescope, the Swift X-ray Telescope, the Swift Ultra-Violet and Optical Telescope, and the Michigan-Dartmouth-MIT observatory. Modeling the broadband spectral energy distribution (SED) with an equilibrium synchrotron self-Compton model yields a good statistical fit to the data. The addition of an external-Compton component to the model does not improve the fit nor brings the system closer to equipartition. The combined Fermi and VERITAS data constrain the properties of the high-energy emission component of the source over 4 orders of magnitude and give measurements of the rising and falling sections of the SED.
UR - http://www.scopus.com/inward/record.url?scp=77952801187&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=77952801187&partnerID=8YFLogxK
U2 - 10.1088/2041-8205/715/1/L49
DO - 10.1088/2041-8205/715/1/L49
M3 - Article
AN - SCOPUS:77952801187
VL - 715
SP - L49-L55
JO - Astrophysical Journal Letters
JF - Astrophysical Journal Letters
SN - 2041-8205
IS - 1 PART 2
ER -