18.2: Tables
- Page ID
- 140442
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| Aperture (m) | Telescope Name | Location | Status |
|---|---|---|---|
| 39 | European Extremely Large Telescope (E-ELT) | Cerro Armazonas, Chile | First light 2030-2035 |
| 30 | Thirty-Meter Telescope (TMT) | ?? | ?? |
| 24.5 | Giant Magellan Telescope (GMT) | Las Campanas Observatory, Chile | First light 2029 (estimated) |
| Southern African Large Telescope (SALT) | Sutherland, South Africa | 2005 | |
| 10.4 | Gran Telescopio Canarias (GTC) | La Palma, Canary Islands | First light 2007 |
| 10.0 | Keck I and II (two telescopes) | Maunakea, HI | Completed 1993–96 |
| 9.1 | Hobby–Eberly Telescope (HET) | Mount Locke, TX | Completed 1997 |
| 8.4 | Large Binocular Telescope (LBT) (two telescopes) | Mount Graham, AZ | First light 2004 |
| 8.4 | Large Synoptic Survey Telescope (Rubin Obs.) | The Cerro Pachón, Chile | First light 2021 |
| 8.3 | Subaru Telescope | Maunakea, HI | First light 1998 |
| 8.2 | Very Large Telescope (VLT) | Cerro Paranal, Chile | All four telescopes completed 2000 |
| 8.1 | Gemini North and Gemini South | Maunakea, HI (North) and Cerro Pachón, Chile (South) | First light 1999 (North), First light 2000 (South) |
| 6.5 | Magellan Telescopes (two telescopes: Baade and Landon Clay) | Las Campanas, Chile | First light 2000 and 2002 |
| 6.5 | Multi-Mirror Telescope (MMT) | Mount Hopkins, AZ | Completed 1979 |
| 6.0 | Big Telescope Altazimuth (BTA-6) | Mount Pastukhov, Russia | Completed 1976 |
| 5.1 | Hale Telescope | Mount Palomar, CA | Completed 1948 |
| Observatory | Location | Description |
|---|---|---|
| Individual Radio Dishes | ||
| Five-hundred-meter Aperture Spherical radio Telescope (FAST) | Guizhou, China | 500-m fixed dish |
| Arecibo Observatory | Arecibo, Puerto Rico | 305-m fixed dish |
| Green Bank Telescope (GBT) | Green Bank, WV | 110 × 100-m steerable dish |
| Effelsberg 100-m Telescope | Bonn, Germany | 100-m steerable dish |
| Lovell Telescope | Manchester, England | 76-m steerable dish |
| Canberra Deep Space Communication Complex (CDSCC) | Tidbinbilla, Australia | 70-m steerable dish |
| Goldstone Deep Space Communications Complex (GDSCC) | Barstow, CA | 70-m steerable dish |
| Parkes Observatory | Parkes, Australia | 64-m steerable dish |
| Arrays of Radio Dishes | ||
| Square Kilometre Array (SKA) | South Africa and Western Australia | Thousands of dishes, km2 collecting area, partial array in 2020 |
| Atacama Large Millimeter/submillimeter Array (ALMA) | Atacama desert, Northern Chile | 66 7-m and 12-m dishes |
| Jansky Very Large Array (VLA) | Socorro, New Mexico | 27-element array of 25-m dishes (36-km baseline) |
| Westerbork Synthesis Radio Telescope (WSRT) | Westerbork, the Netherlands | 12-element array of 25-m dishes (1.6-km baseline) |
| Very Long Baseline Array (VLBA) | Ten US sites, HI to the Virgin Islands | 10-element array of 25-m dishes (9000 km baseline) |
| Australia Telescope Compact Array (ATCA) | Several sites in Australia | 8-element array (seven 22-m dishes plus Parkes 64 m) |
| Multi-Element Radio Linked Interferometer Network (MERLIN) | Cambridge, England, and other British sites | Network of seven dishes (the largest is 32 m) |
| Millimeter-wave Telescopes | ||
| IRAM | Granada, Spain | 30-m steerable mm-wave dish |
| James Clerk Maxwell Telescope (JCMT) | Maunakea, HI | 15-m steerable mm-wave dish |
| Nobeyama Radio Observatory (NRO) | Minamimaki, Japan | 6-element array of 10-m wave dishes |
| Hat Creek Radio Observatory (HCRO) | Cassel, CA | 6-element array of 5-m wave dishes |
| Observatory | Date Operation Began | Bands of the Spectrum | Notes |
|---|---|---|---|
| Hubble Space Telescope (HST) | 1990 | visible, UV, IR | 2.4-m mirror; images and spectra |
| Chandra X-Ray Observatory | 1999 | X-rays | X-ray images and spectra |
| XMM-Newton | 1999 | X-rays | X-ray spectroscopy |
| International Gamma-Ray Astrophysics Laboratory (INTEGRAL) | 2002 | X- and gamma-rays | higher resolution gamma-ray images |
| Spitzer Space Telescope | 2003 | IR | 0.85-m telescope |
| Fermi Gamma-ray Space Telescope | 2008 | gamma-rays | first high-energy gamma-ray observations |
| Kepler | 2009 | visible-light | planet finder |
| Wide-field Infrared Survey Explorer (WISE) | 2009 | IR | whole-sky map, asteroid searches |
| Gaia | 2013 | visible-light | Precise map of the Milky Way |
| Transiting Exoplanet Survey Satellite (TESS) | 2018 | visible-light | Planet finder |