Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.apo.nmsu.edu/Telescopes/ARCprogress/051214ARC20Anniv/Presentations/History/ELT_Apo20Ann.pdf Дата изменения: Tue May 13 04:26:48 2014 Дата индексирования: Sun Apr 10 09:40:23 2016 Кодировка: Поисковые слова: lightning

Nine Years of Remote Observing, Close Coopera7on and Shared Efforts
Ed Turner Princeton University
Apache Point Observatory, Sunspot, NM ­ May 13, 2014



Vision, reality
Remote hands-
on internet opera0on: works great Fast-
change mul0-
instrument capability: manual at first; heading toward mul7-
port fast change capability Excellent poin0ng and tracking: 1 arcsec goal; can usually point to within ~few arcsec Excellent delivered image quality: 0.5 arcsec goal; oOen sub-
arcsecond, but s7ll feel we could improve about .3 arcsec Full suite of science instruments: Got them, upgraded them, have plans and paths to replace aging instruments


Ten years of improvements, e.g.,
· · 1994-
96: adap7ve op7cs tests, added offset guider, calibra7on lamps, laser guide star tests, replaced enclosure wheels 1997-
98: commissioned SPIcam, new M1 support servo, 2ndary bracing and s7ffening, DIS slit viewer, commissioned Echelle, thermal management program, automated cal lamps · 1999-
2000: New 2ndary mirror, rota7on and 7lt of ter7ary, telescope monitoring telemetry system, S-
H op7cs tester and collima7on procedures, new gra7ngs for DIS, 100-
baseT LAN · · 2001-
04: aluminum flooring, DIS upgrades, new remote observing soOware, stray-
light baffles completed, NIC-
FPS delivered Future: fast guiding, more instrument rotators, mirror coa7ng facility, new axis controllers, auto-
focus, 2ndary/ter7ary supports & actuators


Demons



Including: Local and upper atmosphere turbulence, light pollu7on, moon, lightning, condensing humidity, clouds, rain, snow, dust & pollen, wind, low temperatures, day7me UV, al7tude, smoke & fire, heat around telescope op7cs paths, power outages, phone outages, internet outages, airplanes and contrails, remoteness of loca7on, meteors and cosmic rays, and Miller moths ....


Visi7ng Instruments
· · · · · · · · · · · · · 10-
micron array -
Dan Gazari 12-
micron spectrograph -
Don Jennings DriH-
scan Camera -
Tim McKay, Jim Annis SPIcam -
Chris Stubbs Goddard Fabrey-
Perot imager -
Bruce Woodgate AOTF -
John Hillman, Nancy Chanover ChAOS, ChILE -
Ed Kibblewhite InSB IR Camera -
Bruce Woodgate LLNL FTS -
Chris Stubbs Amber Camera -
Dick Newton InSB IR Camera -
Sean Casey APOLLO Lunar Ranging-
Chris Stubbs CorMASS -
Mike Skrutskie, John Wilson


Some ten-
year sta7s7cs
· Telescope has seen ~20,000 hours on the sky · More than 300 astronomers "trained" to observe remotely · Remote observing outnumbers on-
site observing 3:1 · 776 pos7ngs to apo35general mailer · 13 "visi7ng " instruments · 38,000 gallons of LN2 consumed · 24 on-
site staff, currently 14




20/20 Hindsight Observa7ons
· During the period 1996-
2004, the APO 3.5-
meter and its instruments were being commissioned, repaired, upgraded and operated simultaneously and successfully! · This remarkable juggling act was accomplished with an inadequate director and without adequate financial or human resources. · This near miracle was accomplished via the talents & extreme dedica7on of the on-
site staff and a few heavily involved individuals at the ARC member ins7tu7ons. THANK YOU!!