Zobrazeno 1 - 3
of 3
pro vyhledávání: '"John Stoffels"'
Autor:
Lisa A. Crause, Malcolm Hendricks, S. B. Potter, John Stoffels, Sharon Mouries, Carel van Gend, Darragh O'Donoghue, Keegan Titus, Pieter Swanevelder, Egan Loubser, Deon Lategan, Piet Fourie, James O'Connor, Willie Koorts, Hannah L. Worters, Craig Sass, Geoff P. Evans, Martin Visser, Dave Carter, Alroy Daniels, Amanda A. Sickafoose, David Gilbank
Publikováno v:
SPIE Proceedings.
SpUpNIC (Spectrograph Upgrade: Newly Improved Cassegrain) is the extensively upgraded Cassegrain Spectrograph on the South African Astronomical Observatory's 74-inch (1.9-m) telescope. The inverse-Cassegrain collimator mirrors and woefully inefficien
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e365f5247030e1505dc968cd2e7a4767
https://doi.org/10.1117/12.2230818
https://doi.org/10.1117/12.2230818
Autor:
John Stoffels, Brendt Christian, Lisa A. Crause, Nelson Machete, Willie Koorts, Wilhelmina de Water, Sinethemba Taaibos, Denville Gibbons, Ramotholo Sefako, Timothy Fransman
Publikováno v:
SPIE Proceedings.
Telescope mirrors reside in harsh environments and thus require periodic re-aluminisation to maintain their reflectivity. The SAAO’s Sutherland field station suffers from dust and frequent bouts of high humidity. Dust settling on the mirrors adhere
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b458458dd581168b5c3e5a12564c2091
https://doi.org/10.1117/12.2232675
https://doi.org/10.1117/12.2232675
Autor:
Yoshifusa Ita, Noriyuki Matsunaga, Yoshikazu Nakada, Akika Ishihara, Ken Ichi Wakamatsu, Nobuhiko Kusakabe, Geoff P. Evans, Daisuke Baba, Ian S. Glass, John Stoffels, Daisuke Kato, Jun Hashimoto, Yuka Murai, Ryo Kandori, Takahiro Nagayama, Koji Sugitani, Tetsuo Hasegawa, Takahiro Kawazu, John W. Menzies, Toshihiko Tanabe, Toshihide Kawai, Chie Nagashima, Tomoyasu Yamamuro, Hirofumi Hatano, Joel F. Koerwer, Motohide Tamura, Yasushi Nakajima, Shogo Nishiyama, Y. Haba, Michael Feast, Mikio Kurita, Shuji Sato, Ryota Kadowaki, Nagisa Kaneyasu, Pieter Fourie, Hidehiko Nakaya, Tetsuya Nagata, Hideyuki Shimizu, Mamiko Nishimura, Takahiro Zenno, Patricia A. Whitelock
Publikováno v:
Publications of the Astronomical Society of Japan. 59:615-641
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0023d0013aea8136f3f9d5054a0c535
https://doi.org/10.1093/pasj/59.3.615
https://doi.org/10.1093/pasj/59.3.615