Detection of very high energy radiation from the BL Lacertae object PG 1553 + 113 with the MAGIC telescope

J. Albert; E. Aliu; H. Anderhub; P. Antoranz; A. Armada; C. Baixeras; J. A. Barrio; H. Bartko; D. Bastieri; J. Becker; W. Bednarek; K. Berger; C. Bigongiari; A. Biland; R. K. Bock; P. Bordas; V. Bosch-Ramon; T. Bretz; I. Britvitch; M. Camara; E. Carmona; A. Chilingarian; S. Ciprini; J. A. Coarasa; S. Commichau; J. L. Contreras; J. Cortina; V. Curtef; V. Danielyan; F. Dazzi; A. De Angelis; R. De Los Reyes; B. De Lotto; E. Domingo-Santamaría; D. Dorner; M. Doro; M. Errando; M. Fagiolini; D. Ferenc; E. Fernández; R. Firpo; J. Flix; M. V. Fonseca; L. Font; M. Fuchs; N. Galante; M. Garczarczyk; M. Gaug; M. Giller; F. Goebel; D. Hakobyan; M. Hayashida; T. Hengstebeck; D. Höhne; J. Hose; C. C. Hsu; P. Jacon; T. Jogler; O. Kalekin; R. Kosyra; D. Kranich; R. Kritzer; A. Laille; P. Liebing; E. Lindfors; S. Lombardi; F. Longo; J. López; M. López; E. Lorenz; P. Majumdar; G. Maneva; K. Mannheim; O. Mansutti; M. Mariotti; M. Martínez; D. Mazin; C. Merck; M. Meucci; M. Meyer; J. M. Miranda; R. Mirzoyan; S. Mizobuchi; A. Moralejo; K. Nilsson; J. Ninkovic; E. Oña-Wllhelmi; N. Otte; I. Oya; D. Paneque; R. Paoletti; J. M. Paredes; M. Pasanen; D. Pascoli; F. Pauss; R. Pegna; M. Persic; L. Peruzzo; A. Piccioli; M. Poller

doi:10.1086/511384

Detection of very high energy radiation from the BL Lacertae object PG 1553 + 113 with the MAGIC telescope

J. Albert, E. Aliu, H. Anderhub, P. Antoranz, A. Armada, C. Baixeras, J. A. Barrio, H. Bartko, D. Bastieri, J. Becker, W. Bednarek, K. Berger, C. Bigongiari, A. Biland, R. K. Bock, P. Bordas, V. Bosch-Ramon, T. Bretz, I. Britvitch, M. CamaraE. Carmona, A. Chilingarian, S. Ciprini, J. A. Coarasa, S. Commichau, J. L. Contreras, J. Cortina, V. Curtef, V. Danielyan, F. Dazzi, A. De Angelis, R. De Los Reyes, B. De Lotto, E. Domingo-Santamaría, D. Dorner, M. Doro, M. Errando, M. Fagiolini, D. Ferenc, E. Fernández, R. Firpo, J. Flix, M. V. Fonseca, L. Font, M. Fuchs, N. Galante, M. Garczarczyk, M. Gaug, M. Giller, F. Goebel, D. Hakobyan, M. Hayashida, T. Hengstebeck, D. Höhne, J. Hose, C. C. Hsu, P. Jacon, T. Jogler, O. Kalekin, R. Kosyra, D. Kranich, R. Kritzer, A. Laille, P. Liebing, E. Lindfors, S. Lombardi, F. Longo, J. López, M. López, E. Lorenz, P. Majumdar, G. Maneva, K. Mannheim, O. Mansutti, M. Mariotti, M. Martínez, D. Mazin, C. Merck, M. Meucci, M. Meyer, J. M. Miranda, R. Mirzoyan, S. Mizobuchi, A. Moralejo, K. Nilsson, J. Ninkovic, E. Oña-Wllhelmi, N. Otte, I. Oya, D. Paneque, R. Paoletti, J. M. Paredes, M. Pasanen, D. Pascoli, F. Pauss, R. Pegna, M. Persic, L. Peruzzo, A. Piccioli, M. Poller

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Abstract

In 2005 and 2006, the MAGIC telescope observed very high energy gamma-ray emission from the distant BL Lac object PG 1553 + 113. The overall significance of the signal was 8.8 σ for 18.8 hr of observation time. The light curve shows no significant flux variations on a daily timescale; the flux level during 2005 was, however, significantly higher compared to 2006. The differential energy spectrum between ∼90 and 500 GeV is well described by a power law with photon index Γ = 4.2 ± 0.3. The combined 2005 and 2006 energy spectrum provides an upper limit of z = 0.74 on the redshift of the object. © 2007. The American Astronomical Society. All rights reserved.

Original language	English
Journal	Astrophysical Journal
Volume	654
Issue number	2 II
DOIs	https://doi.org/10.1086/511384
Publication status	Published - 10 Jan 2007

Keywords

Gamma rays: observations

Access to Document

10.1086/511384

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Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Armada, A., Baixeras, C., Barrio, J. A., Bartko, H., Bastieri, D., Becker, J., Bednarek, W., Berger, K., Bigongiari, C., Biland, A., Bock, R. K., Bordas, P., Bosch-Ramon, V., Bretz, T., Britvitch, I., ... Poller, M. (2007). Detection of very high energy radiation from the BL Lacertae object PG 1553 + 113 with the MAGIC telescope. Astrophysical Journal, 654(2 II). https://doi.org/10.1086/511384

@article{acae08f11db14fbfa2ae621263278da0,

title = "Detection of very high energy radiation from the BL Lacertae object PG 1553 + 113 with the MAGIC telescope",

abstract = "In 2005 and 2006, the MAGIC telescope observed very high energy gamma-ray emission from the distant BL Lac object PG 1553 + 113. The overall significance of the signal was 8.8 σ for 18.8 hr of observation time. The light curve shows no significant flux variations on a daily timescale; the flux level during 2005 was, however, significantly higher compared to 2006. The differential energy spectrum between ∼90 and 500 GeV is well described by a power law with photon index Γ = 4.2 ± 0.3. The combined 2005 and 2006 energy spectrum provides an upper limit of z = 0.74 on the redshift of the object. {\textcopyright} 2007. The American Astronomical Society. All rights reserved.",

keywords = "Gamma rays: observations",

author = "J. Albert and E. Aliu and H. Anderhub and P. Antoranz and A. Armada and C. Baixeras and Barrio, {J. A.} and H. Bartko and D. Bastieri and J. Becker and W. Bednarek and K. Berger and C. Bigongiari and A. Biland and Bock, {R. K.} and P. Bordas and V. Bosch-Ramon and T. Bretz and I. Britvitch and M. Camara and E. Carmona and A. Chilingarian and S. Ciprini and Coarasa, {J. A.} and S. Commichau and Contreras, {J. L.} and J. Cortina and V. Curtef and V. Danielyan and F. Dazzi and {De Angelis}, A. and {De Los Reyes}, R. and {De Lotto}, B. and E. Domingo-Santamar{\'i}a and D. Dorner and M. Doro and M. Errando and M. Fagiolini and D. Ferenc and E. Fern{\'a}ndez and R. Firpo and J. Flix and Fonseca, {M. V.} and L. Font and M. Fuchs and N. Galante and M. Garczarczyk and M. Gaug and M. Giller and F. Goebel and D. Hakobyan and M. Hayashida and T. Hengstebeck and D. H{\"o}hne and J. Hose and Hsu, {C. C.} and P. Jacon and T. Jogler and O. Kalekin and R. Kosyra and D. Kranich and R. Kritzer and A. Laille and P. Liebing and E. Lindfors and S. Lombardi and F. Longo and J. L{\'o}pez and M. L{\'o}pez and E. Lorenz and P. Majumdar and G. Maneva and K. Mannheim and O. Mansutti and M. Mariotti and M. Mart{\'i}nez and D. Mazin and C. Merck and M. Meucci and M. Meyer and Miranda, {J. M.} and R. Mirzoyan and S. Mizobuchi and A. Moralejo and K. Nilsson and J. Ninkovic and E. O{\~n}a-Wllhelmi and N. Otte and I. Oya and D. Paneque and R. Paoletti and Paredes, {J. M.} and M. Pasanen and D. Pascoli and F. Pauss and R. Pegna and M. Persic and L. Peruzzo and A. Piccioli and M. Poller",

year = "2007",

month = jan,

day = "10",

doi = "10.1086/511384",

language = "English",

volume = "654",

journal = "Astrophysical Journal",

issn = "0004-637X",

number = "2 II",

}

Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Baixeras, C, Barrio, JA, Bartko, H, Bastieri, D, Becker, J, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bock, RK, Bordas, P, Bosch-Ramon, V, Bretz, T, Britvitch, I, Camara, M, Carmona, E, Chilingarian, A, Ciprini, S, Coarasa, JA, Commichau, S, Contreras, JL, Cortina, J, Curtef, V, Danielyan, V, Dazzi, F, De Angelis, A, De Los Reyes, R, De Lotto, B, Domingo-Santamaría, E, Dorner, D, Doro, M, Errando, M, Fagiolini, M, Ferenc, D, Fernández, E, Firpo, R, Flix, J, Fonseca, MV, Font, L, Fuchs, M, Galante, N, Garczarczyk, M, Gaug, M, Giller, M, Goebel, F, Hakobyan, D, Hayashida, M, Hengstebeck, T, Höhne, D, Hose, J, Hsu, CC, Jacon, P, Jogler, T, Kalekin, O, Kosyra, R, Kranich, D, Kritzer, R, Laille, A, Liebing, P, Lindfors, E, Lombardi, S, Longo, F, López, J, López, M, Lorenz, E, Majumdar, P, Maneva, G, Mannheim, K, Mansutti, O, Mariotti, M, Martínez, M, Mazin, D, Merck, C, Meucci, M, Meyer, M, Miranda, JM, Mirzoyan, R, Mizobuchi, S, Moralejo, A, Nilsson, K, Ninkovic, J, Oña-Wllhelmi, E, Otte, N, Oya, I, Paneque, D, Paoletti, R, Paredes, JM, Pasanen, M, Pascoli, D, Pauss, F, Pegna, R, Persic, M, Peruzzo, L, Piccioli, A & Poller, M 2007, 'Detection of very high energy radiation from the BL Lacertae object PG 1553 + 113 with the MAGIC telescope', Astrophysical Journal, vol. 654, no. 2 II. https://doi.org/10.1086/511384

TY - JOUR

T1 - Detection of very high energy radiation from the BL Lacertae object PG 1553 + 113 with the MAGIC telescope

AU - Albert, J.

AU - Aliu, E.

AU - Anderhub, H.

AU - Antoranz, P.

AU - Armada, A.

AU - Baixeras, C.

AU - Barrio, J. A.

AU - Bartko, H.

AU - Bastieri, D.

AU - Becker, J.

AU - Bednarek, W.

AU - Berger, K.

AU - Bigongiari, C.

AU - Biland, A.

AU - Bock, R. K.

AU - Bordas, P.

AU - Bosch-Ramon, V.

AU - Bretz, T.

AU - Britvitch, I.

AU - Camara, M.

AU - Carmona, E.

AU - Chilingarian, A.

AU - Ciprini, S.

AU - Coarasa, J. A.

AU - Commichau, S.

AU - Contreras, J. L.

AU - Cortina, J.

AU - Curtef, V.

AU - Danielyan, V.

AU - Dazzi, F.

AU - De Angelis, A.

AU - De Los Reyes, R.

AU - De Lotto, B.

AU - Domingo-Santamaría, E.

AU - Dorner, D.

AU - Doro, M.

AU - Errando, M.

AU - Fagiolini, M.

AU - Ferenc, D.

AU - Fernández, E.

AU - Firpo, R.

AU - Flix, J.

AU - Fonseca, M. V.

AU - Font, L.

AU - Fuchs, M.

AU - Galante, N.

AU - Garczarczyk, M.

AU - Gaug, M.

AU - Giller, M.

AU - Goebel, F.

AU - Hakobyan, D.

AU - Hayashida, M.

AU - Hengstebeck, T.

AU - Höhne, D.

AU - Hose, J.

AU - Hsu, C. C.

AU - Jacon, P.

AU - Jogler, T.

AU - Kalekin, O.

AU - Kosyra, R.

AU - Kranich, D.

AU - Kritzer, R.

AU - Laille, A.

AU - Liebing, P.

AU - Lindfors, E.

AU - Lombardi, S.

AU - Longo, F.

AU - López, J.

AU - López, M.

AU - Lorenz, E.

AU - Majumdar, P.

AU - Maneva, G.

AU - Mannheim, K.

AU - Mansutti, O.

AU - Mariotti, M.

AU - Martínez, M.

AU - Mazin, D.

AU - Merck, C.

AU - Meucci, M.

AU - Meyer, M.

AU - Miranda, J. M.

AU - Mirzoyan, R.

AU - Mizobuchi, S.

AU - Moralejo, A.

AU - Nilsson, K.

AU - Ninkovic, J.

AU - Oña-Wllhelmi, E.

AU - Otte, N.

AU - Oya, I.

AU - Paneque, D.

AU - Paoletti, R.

AU - Paredes, J. M.

AU - Pasanen, M.

AU - Pascoli, D.

AU - Pauss, F.

AU - Pegna, R.

AU - Persic, M.

AU - Peruzzo, L.

AU - Piccioli, A.

AU - Poller, M.

PY - 2007/1/10

Y1 - 2007/1/10

N2 - In 2005 and 2006, the MAGIC telescope observed very high energy gamma-ray emission from the distant BL Lac object PG 1553 + 113. The overall significance of the signal was 8.8 σ for 18.8 hr of observation time. The light curve shows no significant flux variations on a daily timescale; the flux level during 2005 was, however, significantly higher compared to 2006. The differential energy spectrum between ∼90 and 500 GeV is well described by a power law with photon index Γ = 4.2 ± 0.3. The combined 2005 and 2006 energy spectrum provides an upper limit of z = 0.74 on the redshift of the object. © 2007. The American Astronomical Society. All rights reserved.

AB - In 2005 and 2006, the MAGIC telescope observed very high energy gamma-ray emission from the distant BL Lac object PG 1553 + 113. The overall significance of the signal was 8.8 σ for 18.8 hr of observation time. The light curve shows no significant flux variations on a daily timescale; the flux level during 2005 was, however, significantly higher compared to 2006. The differential energy spectrum between ∼90 and 500 GeV is well described by a power law with photon index Γ = 4.2 ± 0.3. The combined 2005 and 2006 energy spectrum provides an upper limit of z = 0.74 on the redshift of the object. © 2007. The American Astronomical Society. All rights reserved.

KW - Gamma rays: observations

U2 - 10.1086/511384

DO - 10.1086/511384

M3 - Article

SN - 0004-637X

VL - 654

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2 II

ER -

Detection of very high energy radiation from the BL Lacertae object PG 1553 + 113 with the MAGIC telescope

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Keywords

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