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Detection of the Crab Nebula with the 9.7 m Prototype Schwarzschild-Couder Telescope
Astroparticle Physics ( IF 3.5 ) Pub Date : 2021-03-01 , DOI: 10.1016/j.astropartphys.2021.102562
C.B. Adams , R. Alfaro , G. Ambrosi , M. Ambrosio , C. Aramo , T. Arlen , P.I. Batista , W. Benbow , B. Bertucci , E. Bissaldi , J. Biteau , M. Bitossi , A. Boiano , C. Bonavolontà , R. Bose , A. Bouvier , A. Brill , A.M. Brown , J.H. Buckley , K. Byrum , R.A. Cameron , R. Canestrari , M. Capasso , M. Caprai , C.E. Covault , D. Depaoli , M. Errando , S. Fegan , Q. Feng , E. Fiandrini , G. Foote , P. Fortin , S. Funk , A. Furniss , F. Garfias , A. Gent , N. Giglietto , F. Giordano , E. Giro , M.M. González , V. Guarino , R. Halliday , O. Hervet , J. Holder , G. Hughes , T.B. Humensky , M. Ionica , A. Iriarte , W. Jin , C.A. Johnson , P. Kaaret , D. Kieda , B. Kim , A. Kuznetsov , J.S. Lapington , F. Licciulli , S. Loporchio , V. Masone , K. Meagher , T. Meures , B.A.W. Mode , S.A.I. Mognet , R. Mukherjee , T. Nguyen , D. Nieto , A. Okumura , N. Otte , N. La Palombara , F.R. Pantaleo , R. Paoletti , G. Pareschi , A. Petrashyk , F. Di Pierro , E. Pueschel , P.T. Reynolds , D. Ribeiro , G. Richards , E. Roache , D. Ross , J. Rousselle , A. Rugliancich , J. Ruíz-Díaz-Soto , M. Santander , S. Schlenstedt , M. Schneider , S. Scuderi , R. Shang , G. Sironi , B. Stevenson , L. Stiaccini , H. Tajima , L.P. Taylor , J. Thornhill , L. Tosti , G. Tovmassian , V. Vagelli , M. Valentino , J. Vandenbroucke , V.V. Vassiliev , L. Di Venere , S.P. Wakely , J.J. Watson , R. White , P. Wilcox , D.A. Williams , M. Wood , P. Yu , A. Zink

The Schwarzschild-Couder Telescope (SCT) is a telescope concept proposed for the Cherenkov Telescope Array. It employs a dual-mirror optical design to remove comatic aberrations over an 8 ∘ field of view, and a high-density silicon photomultiplier camera (with a pixel resolution of 4 arcmin) to record Cherenkov emission from cosmic ray and gamma-ray initiated particle cascades in the atmosphere. The prototype SCT (pSCT), comprising a 9.7 m diameter primary mirror and a partially instrumented camera with 1536 pixels, has been constructed at the Fred Lawrence Whipple Observatory. The telescope was inaugurated in January 2019, with commissioning continuing throughout 2019. We describe the first campaign of observations with the pSCT, conducted in January and February of 2020, and demonstrate the detection of gamma-ray emission from the Crab Nebula with a statistical significance of 8.6 σ .

中文翻译:

使用 9.7 m 原型 Schwarzschild-Couder 望远镜探测蟹状星云

Schwarzschild-Couder Telescope (SCT) 是为 Cherenkov Telescope Array 提出的望远镜概念。它采用双镜光学设计来消除 8 ∘ 视场上的彗差,并采用高密度硅光电倍增管相机(像素分辨率为 4 arcmin)记录宇宙射线和伽马射线引发粒子的切伦科夫发射级联在大气中。原型 SCT (pSCT) 包括一个直径为 9.7 m 的主镜和一个具有 1536 像素的部分仪器相机,已在 Fred Lawrence Whipple 天文台建造。该望远镜于 2019 年 1 月落成,并在 2019 年全年继续调试。我们描述了 pSCT 于 2020 年 1 月和 2 月进行的第一次观测活动,
更新日期:2021-03-01
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