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A Few Ways of Acquiring Telescope Time Telescope Committee Astronomical Society of New York October 23, 2009 Peter Wehin

A Few Ways of Acquiring Telescope Time Telescope Committee Astronomical Society of New York October 23, 2009 Peter Wehinger Steward Observatory University of Arizona. Not all discoveries are made with the largest telescopes: Collaborators: Sue Wyckoff & Peter Wehinger .

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A Few Ways of Acquiring Telescope Time Telescope Committee Astronomical Society of New York October 23, 2009 Peter Wehin

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  1. A Few Ways of Acquiring Telescope Time Telescope Committee Astronomical Society of New York October 23, 2009 Peter Wehinger Steward Observatory University of Arizona

  2. Not all discoveries are made with the largest telescopes: Collaborators: Sue Wyckoff & Peter Wehinger Titanium Isotopes in Mira – 2.1-m KPNO, 1973 Discovery of H20+ in Comet Kohoutek, 1-m Wise, 1974 Crab Pulsar – A high velocity star, 1-m Wise, 1975 & 0.9-m Crossley (Lick), 1899 Carbon Isotopes C12 /C13 in Comets, 1.9-m MSO, 1986-1990 Quasar Host Galaxies – Images & Spectra, 2.3-m U Hawaii, 3.6-m ESO, 1977-83 This week by Geneva Obs Group – 32 Exoplanets discovered, 2009 – ESO 3.6-m with HARPS

  3. Wise Observatory, Tel-Aviv Univeristy

  4. Mt Stromlo Observatory, Canberra, April 1986 1.9-m with Coude/Echelle Bruce Peterson, PW, SW

  5. Observatory PartnershipsProject Costs • MDM (1.3-m, 2.3-m) – Kitt Peak • Michigan, Dartmouth, MIT, OSU, Columbia • Cost ~ $750K (1978), ~ $7M (1990) • SDSS (2.5-m) – Apache Point • 25 institutions • Cost ~ $95M (1998) ~ 60% software dev • Magellan (2 – 6.5-m) – 50%, 20, 10, 10, 10, respectively - Carnegie, Harvard, MIT, Michigan, Arizona - Cost ~ $35M, $28M (2002) – Las Campanas • San Pedro Martir (6.5-m) – Baja California • UNAM, INAOE, UCB, UCSC, Arizona • Cost ~ $45M for telescope, ~ $80M for IR Camera

  6. Telescope CorporationsBigger Projects – More $$$ • LBT (2 x 8.4-m) – 25% Each – Mt Graham • Germany, Italy, Arizona, Ohio State, Research Corp. • Cost ~ $130M (2004) • GMT (7 x 8.4-m) - ~ 10% each – Las Campanas - Carnegie, Texas/Austin, TAMU, Arizona, Harvard, Smithsonian, ANU, AAL, KASI, others (?) - Cost ~ $700M (2009) • CCAT (25-m, sub-mm) – Cerro Chajnantor • Cornell, Caltech, Colorado, Canada, UK, Germany • Cost ~ $100M ? (2009) • LSST (8.4-m) – Cerro Pachon • ~ 25 members, funding private/public mixture • Cost ~ $450M (2007)

  7. Projects under consideration San Pedro Martir – Excellent site for large telescopes • Was first choice for LSST • Was one of three final sites for TMT Tokyo Atacama Obs (6.5-m) – Thermal IR Imaging & Spectra • On summit of Cerro Chajnantor (5600 m) • University of Tokyo, Institute of Astronomy • Cost ~ $80-90M (2009) >> funding pending • 1-m telescope on summit since March 2009 • Install 2-m telescope to summit early 2010

  8. Possible Options for Access to Telescopes Near term – Buy time on existing telescopes, Examples of how others acquire telescope time – • Palomar 5-m, Caltech sells ~ 20% to Cornell • Arizona – sells time on suite of optical telescopes • Arizona – sells time on 10 & 12-m radio telescopes • SALT 10-m ~ AMNH, U Wisc, and others buy time • GTC 10.4-m – UNAM, INAOE & U Florida buy time

  9. Telescope Time at Steward Observatory~ $/Night Rates LBT (2 x 8.4 m) Mt Graham $90K MMT (6.5 m) Mt Hopkins 30K Magellan 1 (6.5 m) Las Campanas 35K Magellan 2 (6.5 m) Las Campanas 35K 90 inch Kitt Peak 3K 61 inch Mt Lemmon 2K 12 m Kitt Peak 5K 10 m SMT Mt Graham 7K Mt Lemmon Sky Center – For Undergrads 32 inch with CCD, 20 inch with CCD or IR Imager Lodging: $50 per night, two students per room

  10. Wise Observatory, Negev Desert, Israel

  11. Steward Observatory Mirror Lab Casting Bay 6.5-m 8.4-m 8.4-m

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