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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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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 Wehinger

Steward Observatory

University of Arizona

not all discoveries are made with the largest telescopes collaborators sue wyckoff peter wehinger

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

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Mt Stromlo Observatory, Canberra, April 1986

1.9-m with Coude/Echelle Bruce Peterson, PW, SW

observatory partnerships project costs
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
telescope corporations bigger projects more
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)
projects under consideration
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
possible options for access to telescopes
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
telescope time at steward observatory night rates
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

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Steward

Observatory

Mirror Lab

Casting Bay

6.5-m

8.4-m

8.4-m

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