Prototype Schwarzschild-Couder Telescope for the Cherenkov Telescope Array: Commissioning Status of the Optical System. (arXiv:1909.11403v1 [astro-ph.IM])

Prototype Schwarzschild-Couder Telescope for the Cherenkov Telescope Array: Commissioning Status of the Optical System. (arXiv:1909.11403v1 [astro-ph.IM])
<a href="http://arxiv.org/find/astro-ph/1/au:+Adams_C/0/1/0/all/0/1">C. Adams</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ambrosi_G/0/1/0/all/0/1">G. Ambrosi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ambrosio_M/0/1/0/all/0/1">M. Ambrosio</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Aramo_C/0/1/0/all/0/1">C. Aramo</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Benbow_W/0/1/0/all/0/1">W. Benbow</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bertucci_B/0/1/0/all/0/1">B. Bertucci</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bissaldi_E/0/1/0/all/0/1">E. Bissaldi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bitossi_M/0/1/0/all/0/1">M. Bitossi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Boiano_A/0/1/0/all/0/1">A. Boiano</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bonavolonta_C/0/1/0/all/0/1">C. Bonavolontà</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bose_R/0/1/0/all/0/1">R. Bose</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Brill_A/0/1/0/all/0/1">A. Brill</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Buckley_J/0/1/0/all/0/1">J. H. Buckley</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Caprai_M/0/1/0/all/0/1">M. Caprai</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Covault_C/0/1/0/all/0/1">C. E. Covault</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Venere_L/0/1/0/all/0/1">L. Di Venere</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Fegan_S/0/1/0/all/0/1">S. Fegan</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Feng_Q/0/1/0/all/0/1">Q. Feng</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Fiandrini_E/0/1/0/all/0/1">E. Fiandrini</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Gent_A/0/1/0/all/0/1">A. Gent</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Giglietto_N/0/1/0/all/0/1">N. Giglietto</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Giordano_F/0/1/0/all/0/1">F. Giordano</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Halliday_R/0/1/0/all/0/1">R. Halliday</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Hervet_O/0/1/0/all/0/1">O. Hervet</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Hughes_G/0/1/0/all/0/1">G. Hughes</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Humensky_T/0/1/0/all/0/1">T. B. Humensky</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ionica_M/0/1/0/all/0/1">M. Ionica</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Jin_W/0/1/0/all/0/1">W. Jin</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kaaret_P/0/1/0/all/0/1">P. Kaaret</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kieda_D/0/1/0/all/0/1">D. Kieda</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kim_B/0/1/0/all/0/1">B. Kim</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Licciulli_F/0/1/0/all/0/1">F. Licciulli</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Loporchio_S/0/1/0/all/0/1">S. Loporchio</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Masone_V/0/1/0/all/0/1">V. Masone</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Meures_T/0/1/0/all/0/1">T. Meures</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Mode_B/0/1/0/all/0/1">B. A. W. Mode</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Mukherjee_R/0/1/0/all/0/1">R. Mukherjee</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Okumura_A/0/1/0/all/0/1">A. Okumura</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Otte_N/0/1/0/all/0/1">N. Otte</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Pantaleo_F/0/1/0/all/0/1">F. R. Pantaleo</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Paoletti_R/0/1/0/all/0/1">R. Paoletti</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Petrashyk_A/0/1/0/all/0/1">A. Petrashyk</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Powell_J/0/1/0/all/0/1">J. Powell</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Powell_K/0/1/0/all/0/1">K. Powell</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ribeiro_D/0/1/0/all/0/1">D. Ribeiro</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Rousselle_J/0/1/0/all/0/1">J. Rousselle</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Rugliancich_A/0/1/0/all/0/1">A. Rugliancich</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Santander_M/0/1/0/all/0/1">M. Santander</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Shang_R/0/1/0/all/0/1">R. Shang</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Stevenson_B/0/1/0/all/0/1">B. Stevenson</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Stiaccini_L/0/1/0/all/0/1">L. Stiaccini</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Taylor_L/0/1/0/all/0/1">L. P. Taylor</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Tosti_L/0/1/0/all/0/1">L. Tosti</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Vagelli_V/0/1/0/all/0/1">V. Vagelli</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Valentino_M/0/1/0/all/0/1">M. Valentino</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Vandenbroucke_J/0/1/0/all/0/1">J. Vandenbroucke</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Vassiliev_V/0/1/0/all/0/1">V. Vassiliev</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Wilcox_P/0/1/0/all/0/1">P. Wilcox</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Williams_D/0/1/0/all/0/1">D. A. Williams</a> (for the CTA SCT Project)

The Cherenkov Telescope Array (CTA), with more than 100 telescopes, will be
the largest ever ground-based gamma-ray observatory and is expected to greatly
improve on both gamma-ray detection sensitivity and energy coverage compared to
current-generation detectors. The 9.7-m Schwarzschild-Couder telescope (SCT) is
one of the two candidates for the medium size telescope (MST) design for CTA.
The novel aplanatic dual-mirror SCT design offers a wide field-of-view with a
compact plate scale, allowing for a large number of camera pixels that improves
the angular resolution and reduce the night sky background noise per pixel
compared to the traditional single-mirror Davies-Cotton (DC) design of
ground-based gamma-ray telescopes. The production, installation, and the
alignment of the segmented aspherical mirrors are the main challenges for the
realization of the SCT optical system. In this contribution, we report on the
commissioning status, the alignment procedures, and initial alignment results
during the initial commissioning phase of the optical system of the prototype
SCT.

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