Star tracking for pointing determination of Imaging Atmospheric Cherenkov Telescopes

被引：1

作者：

Abe, K. ^{[1
]}

Abe, S. ^{[2
]}

Aguasca-Cabot, A. ^{[3
]}

Agudo, I. ^{[4
]}

Alvarez Crespo, N. ^{[5
]}

Antonelli, L. A. ^{[6
]}

Aramo, C. ^{[7
]}

Arbet-Engels, A. ^{[8
]}

Cornelia, A. ^{[9
,10
]}

Artero, M. ^{[11
]}

Asano, K. ^{[2
]}

Aubert, P. ^{[12
]}

Baktash, A. ^{[13
]}

Bamba, A. ^{[14
]}

Baquero Larriva, A. ^{[15
,16
]}

Baroncelli, L. ^{[17
]}

Barres de Almeida, U. ^{[18
]}

Barrio, J. A. ^{[15
,16
]}

Batkovic, I. ^{[9
,10
]}

Baxter, J. ^{[2
]}

Becerra Gonzalez, J. ^{[19
,20
]}

Bernardini, E. ^{[9
,10
]}

Bernardos, M., I ^{[4
]}

Bernete Medrano, J. ^{[21
]}

Berti, A. ^{[8
]}

Bhattacharjee, P. ^{[12
]}

Biederbeck, N. ^{[22
]}

Bigongiari, C. ^{[6
]}

Bissaldi, E. ^{[23
,24
]}

Blanch, O. ^{[11
]}

Bonnoli, G. ^{[25
]}

Bordas, P. ^{[3
]}

Bulgarelli, A. ^{[17
]}

Burelli, I ^{[26
,27
]}

Burmistrov, L. ^{[28
]}

Buscemi, M. ^{[29
]}

Cardillo, M. ^{[30
]}

Caroff, S. ^{[12
]}

Carosi, A. ^{[6
]}

Cassol, F. ^{[31
]}

Cauz, D. ^{[26
,27
]}

Ceribella, G. ^{[8
]}

Chai, Y. ^{[8
]}

Cheng, K. ^{[2
]}

Chiavassa, A. ^{[32
]}

Chikawa, M. ^{[2
]}

Chytka, L. ^{[33
]}

Cifuentes, A. ^{[21
]}

Contreras, J. L. ^{[15
,16
]}

Cortina, J. ^{[21
]}

机构：

[1] Tokai Univ, Dept Phys, 4-1-1 Kita Kaname, Hiratsuka, Kanagawa 2591292, Japan

[2] Univ Tokyo, Inst Cosm Ray Res, 5-1-5 Kashiwa No Ha, Kashiwa, Chiba 2778582, Japan

[3] Univ Barcelona, IEEC UB, Inst Ciencies Cosmos, Dept Fis Quant & Astrofis, Marti & Franques 1, Barcelona 08028, Spain

[4] CSIC, Inst Astrofis Andalucia, Glorieta Astron S-N, Granada 18008, Spain

[5] Univ Complutense Madrid, Grp Elect, Ave Complutense S-N, Madrid 28040, Spain

[6] INAF, Osservatorio Astron Roma, Via Frascati 33, I-00040 Monte Porzio Catone, Italy

[7] Ist Nazl Fis Nucl, Sez Napoli, Via Cintia,Ed G, I-80126 Naples, Italy

[8] Max Planck Inst Phys & Astrophys, Fohringer Ring 6, D-80805 Munich, Germany

[9] Ist Nazl Fis Nucl, Sez Padova, Via Marzolo 8, I-35131 Padua, Italy

[10] Univ Padua, Via Marzolo 8, I-35131 Padua, Italy

[11] Barcelona Inst Sci & Technol, IFAE, Campus UAB, Bellaterra 08193, Barcelona, Spain

[12] Univ Savoie Mt Blanc, CNRS, Lab Annecy Phys Particules, IN2P3, F-74000 Annecy, France

[13] Univ Hamburg, Inst Expt Phys, Luruper Chaussee 149, D-22761 Hamburg, Germany

[14] Univ Tokyo, Grad Sch Sci, 7-3-1 Hongo,Bunkyo Ku, Tokyo 1130033, Japan

[15] Univ Complutense Madrid, EMFTEL Dept, Plaza Ciencias,1 Ciudad Univ, Madrid 28040, Spain

[16] Univ Complutense Madrid, IPARCOS, Plaza Ciencias,1 Ciudad Univ, Madrid 28040, Spain

[17] INAF, Osservatorio Astrofis & Sci Spazio Bologna, Via Piero Gobetti 93-3, I-40129 Bologna, Italy

[18] Ctr Brasileiro Pesquisas Fis, Rua Xavier Sigaud 150, BR-22290180 Rio De Janeiro, RJ, Brazil

[19] Univ La Laguna, Inst Astrofis Canarias, C Via Lactea S-N, San Cristobal la Laguna 38205, Santa Cruz De T, Spain

[20] Univ La Laguna, Dept Astrofis, C Via Lactea S-N, San Cristobal la Laguna 38205, Santa Cruz De T, Spain

[21] CIEMAT, Avda Complutense 40, Madrid 28040, Spain

[22] TU Dortmund Univ, Dept Phys, Otto Hahn Str 4, D-44227 Dortmund, Germany

[23] Ist Nazl Fis Nucl, Sez Bari, Via Orabona 4, I-70124 Bari, Italy

[24] Politecn Bari, Via Orabona 4, I-70124 Bari, Italy

[25] INAF, Osservatorio Astron Brera, Via Brera 28, I-20121 Milan, Italy

[26] Ist Nazl Fis Nucl, Sez Trieste, Via Sci 206, I-33100 Udine, Italy

[27] Univ Udine, Via Sci 206, I-33100 Udine, Italy

[28] Univ Geneva, Dept Phys Nucl & Corpusculaire, 24 Quai Ernest Ansernet, CH-1211 Geneva 4, Switzerland

[29] Ist Nazl Fis Nucl, Sez Catania, Via S Sofia 64, I-95123 Catania, Italy

[30] INAF, IAPS, Via Fosso Cavaliere 100, I-00133 Rome, Italy

[31] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France

[32] Ist Nazl Fis Nucl, Sez Torino, Via P Giuria 1, I-10125 Turin, Italy

[33] Palacky Univ Olomouc, Fac Sci, 17 Listopadu 1192-12, Olomouc 77146, Czech Republic

[34] Port Informacio Cient, Edifici D,Carrer Albareda, Bellaterrra 08193, Cerdanyola Del, Spain

[35] Ist Nazl Fis Nucl, Sez Bari, Via Orabona 4, I-70126 Bari, Italy

[36] Univ Bari, Via Orabona 4, I-70126 Bari, Italy

[37] Univ Rijeka, Dept Phys, Radmile Matejcic 2, Rijeka 51000, Croatia

[38] Univ Wurzburg, Inst Theoret Phys & Astrophys, Campus Hubland Nord,Emil Fischer Str 31, D-97074 Wurzburg, Germany

[39] Ruhr Univ Bochum, Lehrstuhl Plasma Astroteilchenphys 4, Inst Theoret Phys, Univ Str 150, D-44801 Bochum, Germany

[40] Ist Nazl Fis Nucl, Sez Roma La Sapienza, Ple Aldo Moro 2, I-00185 Rome, Italy

[41] Univ Tokyo, Int Res Lab, CNRS, ILANCE, 5-1-5 Kashiwa No Ha, Kashiwa, Chiba 2778582, Japan

[42] Hiroshima Univ, Grad Sch Adv Sci & Engn, Phys Program, 1-3-1 Kagamiyama, Higashihiroshima, Hiroshima 7398526, Japan

[43] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Via Ric Sci 1, I-00133 Rome, Italy

[44] Univ Lodz, Fac Phys & Appl Informat, Ul Pomorska 149-153, PL-90236 Lodz, Poland

[45] Univ Split, FESB, R Boskovica 32, Split 21000, Croatia

[46] Yamagata Univ, Dept Phys, 1-4-12 Kojirakawa Machi, Yamagata 9908560, Japan

[47] Josip Juraj Strossmayer Univ Osijek, Dept Phys, Trg Ljudevita Gaja 6, Osijek 31000, Croatia

[48] Univ Aquila, Ist Nazl Fis Nucl, Dipartimento Sci Fis & Chim, Via Vetoio 1,Viale Crispi 7, I-67100 Laquila, Italy

[49] Gran Sasso Sci Inst, Via Vetoio 1,Viale Crispi 7, I-67100 Laquila, Italy

[50] Kitashirakawa Oiwakecho, Sakyo Ward, Kyoto 6068502, Japan

来源：

ASTRONOMY & ASTROPHYSICS | 2023年 / 679卷

基金：

欧盟地平线“2020”; 瑞士国家科学基金会;

关键词：

astroparticle physics; instrumentation: high angular resolution; methods: data analysis; techniques: high angular resolution; techniques: image processing; telescopes;

D O I：

10.1051/0004-6361/202347128

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a novel approach to the determination of the pointing of Imaging Atmospheric Cherenkov Telescopes (IACTs) using the trajectories of the stars in their camera's field of view. The method starts with the reconstruction of the star positions from the Cherenkov camera data, taking into account the point spread function of the telescope, to achieve a satisfying reconstruction accuracy of the pointing position. A simultaneous fit of all reconstructed star trajectories is then performed with the orthogonal distance regression (ODR) method. ODR allows us to correctly include the star position uncertainties and use the time as an independent variable. Having the time as an independent variable in the fit makes it better suitable for various star trajectories. This method can be applied to any IACT and requires neither specific hardware nor interface or special data-taking mode. In this paper, we use the Large-Sized Telescope (LST) data to validate it as a useful tool to improve the determination of the pointing direction during regular data taking. The simulation studies show that the accuracy and precision of the method are comparable with the design requirements on the pointing accuracy of the LST (<= 14 ''). With the typical LST event acquisition rate of 10 kHz, the method can achieve up to 50 Hz pointing monitoring rate, compared to O(1) Hz achievable with standard techniques. The application of the method to the LST prototype (LST-1) commissioning data shows the stable pointing performance of the telescope.

引用

页数：12

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