Semantic Scholar Open Access 2014 408 sitasi

The major upgrade of the MAGIC telescopes, Part II: A performance study using observations of the Crab Nebula

M. Aleksic S. Ansoldi L. A. Antonelli P. Antoranz A. Babić +249 lainnya

Abstrak

MAGIC is a system of two Imaging Atmospheric Cherenkov Telescopes located in the Canary island of La Palma, Spain. During summer 2011 and 2012 it underwent a series of upgrades, involving the exchange of the MAGIC-I camera and its trigger system, as well as the upgrade of the readout system of both telescopes. We use observations of the Crab Nebula taken at low and medium zenith angles to assess the key performance parameters of the MAGIC stereo system. For low zenith observations the trigger threshold of the MAGIC telescopes is∼ 50 GeV. The integral sensitivity for sources with Crab Nebula-like spectrum above 220 GeV is (0.66± 0.03)% of Crab Nebula flux in 50 h of observations. The angular re solution at those energies is . 0.07 ◦ , while the energy resolution is 16%. We also re-evaluate the effect of the systematic uncertainty on the data taken with the MAGIC telescopes after the upgrade. We estimate that the systematic uncertainties can be divided in following components: < 15% in energy scale, 11-18% in flux normalization and ±0.15 for the energy spectrum power-law slope.

Topik & Kata Kunci

Penulis (254)

M

M. Aleksic

S

S. Ansoldi

L

L. A. Antonelli

P

P. Antoranz

A

A. Babić

P

P. Bangale

M

M. Barceló

J

J. Barrio

J

J. González

W

W. Bednarek

E

E. Bernardini

B

B. Biasuzzi

A

A. Biland

M

M. Bitossi

O

O. Blanch

S

S. Bonnefoy

G

G. Bonnoli

F

F. Borracci

T

T. Bretz

E

E. Carmona

A

A. Carosi

R

R. Cecchi

P

P. Colin

E

E. Colombo

J

J. Contreras

D

D. Corti

J

J. Cortina

S

S. Covino

P

P. D. Vela

F

F. Dazzi

A

A. Angelis

G

G. Caneva

B

B. Lotto

E

E. O. Wilhelmi

C

C. Mendez

A

A. Dettlaff

D

D. Prester

D

D. Dorner

M

M. Doro

S

S. Einecke

D

D. Eisenacher

D

D. Elsaesser

D

D. Fidalgo

D

D. Fink

M

M. Fonseca

L

L. Font

K

K. Frantzen

C

C. Fruck

D

D. Galindo

R

R. G. López

M

M. Garczarczyk

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D. G. Terrats

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G

G. Giavitto

N

N. Godinovic

A

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S. Gozzini

W

W. Haberer

D

D. Hadasch

Y

Y. Hanabata

M

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J

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D

D. Hildebrand

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D

D. Hrupec

W

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V

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H

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M

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K

K. Kodani

Y

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J

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H

H. Kubo

J

J. Kushida

A

A. Barbera

D

D. Lelas

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J. L. Lemus

N

N. Lewandowska

E

E. Lindfors

S

S. Lombardi

F

F. Longo

M

M. Lopez

R

R. López-Coto

A

A. López-Oramas

A

A. Lorca

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E. Lorenz

I

I. Lozano

M

M. Makariev

K

K. Mallot

G

G. Maneva

N

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L

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B

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M

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U

U. Menzel

J

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R

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P

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M

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K

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M

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R

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M

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J

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A

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P

P. Vogler

H

H. Wetteskind

M

M. Will

R

R. Z. Ifae

C

Campus Uab

E

E-08193 Bellaterra

S

Spain Universita di Udine

I

I. Trieste

I

I. Udine

I

Italy Inaf National Institute for Astrophysics

I

I-00136 Rome

I

I. Siena

I

I. Pisa

I

I-53100 Siena

I

Italy Croatian Magic Consortium

R

Rudjer Boskovic Institute

U

University of Rijeka

U

University of Split

H

HR-10000 Zagreb

C

Croatia Max-Planck-Institut fur Physik

D

D-80805 Munchen

G

Germany Universidad Complutense

E

E. Madrid

S

S. Canarias

E

E. Laguna

T

Tenerife

S

Spain University of Lodz

P

PL-90236 Lodz

P

Poland Deutsches Elektronen-Synchrotron

D

D. Zeuthen

G

G. E. Zurich

C

CH-8093 Zurich

S

Switzerland Universitat Wurzburg

D

D-97074 Wurzburg

G

Germany Centro de Investigaciones Energeticas

M

Medioambientales y Tecnológicas

S

Spain Institute of Space Sciences

E

E. Barcelona

S

Spain Universita di Padova

I

Infn

I

I-35131 Padova

I

Italy Technische Universitat Dortmund

D

D. Dortmund

G

Germany Unitat de Fisica de les Radiacions

D

D. D. Fisica

C

CERES-IEEC

U

U. Barcelona

S

S. Barcelona

I

Icc

I

IEEC-UB

E

E. Barcelona

S

Spain Japanese Magic Consortium

D

D. Physics

A

Astronomy

K

Kyoto University

J

Japan Finnish Magic Consortium

T

T. Observatory

U

U. Turku

D

D. Physics

U

U. Oulu

F

F. I. F. A. Research

N

Nucl. Energy

B

BG-1784 Sofia

B

B. Pisa

I

I. Pisa

I

Italy Icrea

I

Institute for Space Sciences

S

Spain Universita dell Insubria

I

I. M. Bicocca

C

Como

I

I-22100 Como

I

I. E. G. Observatory

I

I-56021 S. Stefano a Macerata

I

I-53100 Siena

I

Italy now at Nasa Goddard Space Flight Center

G

Greenbelt

M

MD 20771

U

Usa

D

D. O. Astronomy

U

U. Maryland

C

College Park

M

MD 20742

U

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L

Lausanne

S

S. S. I. F. A. U. Teilchenphysik

L

L. Innsbruck

A

A. Innsbruck

A

A. L. .. F. C. F. A. W. Eso

T

Turku

F

Finland now at Astrophysics Science Division

B

Bhabha Atomic Research Centre

M

Mumbai 400085

I

India also at INAF-Trieste

Format Sitasi

Aleksic, M., Ansoldi, S., Antonelli, L.A., Antoranz, P., Babić, A., Bangale, P. et al. (2014). The major upgrade of the MAGIC telescopes, Part II: A performance study using observations of the Crab Nebula. https://doi.org/10.1016/j.astropartphys.2015.02.005

Akses Cepat

Informasi Jurnal
Tahun Terbit
2014
Bahasa
en
Total Sitasi
408×
Sumber Database
Semantic Scholar
DOI
10.1016/j.astropartphys.2015.02.005
Akses
Open Access ✓