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Detection of the Crab Nebula with the 9.7 m prototype Schwarzschild-Couder telescope
- Source :
- Astropart.Phys., Astropart.Phys., 2021, 128, pp.102562. ⟨10.1016/j.astropartphys.2021.102562⟩
- Publication Year :
- 2021
-
Abstract
- 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 $8^{\circ}$ 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 $8.6\sigma$.<br />Comment: 13 pages, 12 figures, 3 tables, submitted to Astroparticle Physics
- Subjects :
- Cherenkov Telescope Array
Physics::Instrumentation and Detectors
Astrophysics::High Energy Astrophysical Phenomena
FOS: Physical sciences
Cosmic ray
Field of view
01 natural sciences
law.invention
Telescope
Primary mirror
law
Observatory
pixel
0103 physical sciences
optical
Astrophysics::Solar and Stellar Astrophysics
photomultiplier: silicon
[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]
mirror
010303 astronomy & astrophysics
Instrumentation and Methods for Astrophysics (astro-ph.IM)
Cherenkov radiation
Astrophysics::Galaxy Astrophysics
Physics
High Energy Astrophysical Phenomena (astro-ph.HE)
010308 nuclear & particles physics
Astrophysics::Instrumentation and Methods for Astrophysics
Astronomy
resolution
Astronomy and Astrophysics
radiation: Cherenkov
aberration
cascade
observatory
Crab Nebula
gamma ray: emission
cosmic radiation
atmosphere
Astrophysics - Instrumentation and Methods for Astrophysics
Astrophysics - High Energy Astrophysical Phenomena
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
statistical
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Astropart.Phys., Astropart.Phys., 2021, 128, pp.102562. ⟨10.1016/j.astropartphys.2021.102562⟩
- Accession number :
- edsair.doi.dedup.....2965e10347bb20f743cfe163247b513f