Toshi Sasaki Home page

JELT Project for the next-generation 30m Telescope

JELT Project for the next-generation 30m Telescope.

Telescope Projects

Telescope Projects, such as TMT/CELT/GMST, OWL, Euro50, GMT, JELT etc.

Telescope list after ESO-links of "http://www.eso.org/projects/owl/Links.html"

Name	Aperture (m)	Location	.

Keck I & II	2 x 10.0	Mauna Kea, Hawaii	Segmented telescopes, interferometer.
Hobby-Eberly	9.2	Mt Fowlkes, Texas	A fixed elevation, low cost spectroscopic telescope.
Subaru	8.3	Mauna Kea, Hawaii	Active telescope made in Japan.
VLT	4 x 8.2	Cerro Paranal, Chile	Very Large Telescope; Europe's flagship.
Gemini	2 x 8.0	Mauna Kea, Hawaii Cerro Pachon, Chile	Twin 8-m telescopes in the Northern and Southern hemispheres.
Magellan	2 x 6.5	Las Campanas, Chile	Twin 6.5-m telescopes; also known as the Walter Baade and Landon Clay telescopes.
MMT	6.5	Mt Hopkins, US, Az	Replacement of the 4.2-m Multi-Mirror Telescope
Bolshoi Teleskop Azimutalnyi	6.0	Nizhny Arkhyz, Russia	Breaking limits, and the first large altazimuth telescope
Hale	5.0	Palomar Mountain, US, Ca.	Nothing less than a legend
William Herschel	4.2	La Palma, Canary Islands, Spain	Altazimuthal; largest member of the famous Isaac Newton Group of telescopes.
Victor Blanco	4.0	Cero Tololo, Chile	The largest telescope in the Southern hemisphere until 1998.
AAT	3.9	Siding Springs, Australia	The Anglo-Australian Telescope
Mayall	3.8	Kitt Peak, US, Az.
UKIRT	3.8	Mauna Kea, Hawaii	Dedicated to infrared
AEOS	3.7	Haleakala, Maui (Hawaii)	Maui Space Surveillance System; mostly military
360	3.6	Cerro la Silla, Chile	Europe's first major telescope in the Southern hemisphere.
CFHT	3.6	Mauna Kea, Hawaii	Canada-France-Hawaii Telescope
TNG	3.6	La Palma, Canary Islands, Spain	Telescopio Nazionale Galileo (Italy)
Calar Alto 3.5	3.5	Calar Alto, Spain	The largest telescope in continental Europe
NTT	3.5	Cerro la Silla, Chile	New Technology Telescope; first active telescope
ARC	3.5	Apache Point, NM, US	Astrophysical Research Consortium
WIYN	3.5	Kitt Peak, US, Az.	Kitt Peak's latest acquisition

UNDER CONSTRUCTION

VLTI	4 x 8.2	Cerro Paranal, Chile	The 4 VLT telescopes and auxilliary 1.8-m combined in an interferometer
Keck Interferometer	2 x 10.0	Mauna Kea, Hawaii	The twin Keck and auxilliary telescopes combined in an interferometer
GTC	div align="center"> 10.4	La Palma, Canary Islands, Spain	Gran Telescopio Canarias; a segmented mirror design inspired from the Keck
SALT	9.2	Sutherland, South Africa	South Africa's Large Telescope. Design inspired from the Hobby-Eberly Telescope (HET)
LBT	2 x 8.4-m	Mt. Graham, Az, US	Large Binocular Telescope (formerly Columbus)

世界の望遠鏡 ( www2.odn.ne.jp )
National Autonomous University of Mexico(UNAM) ,

Instrumentation Projects
- Instrumentation projects for Astronomical Observation.

Site Survey for Astronomical Observations

Sasaki's research on astronomical conditions in Tibet.

Site	Altitude (meter above sea)	Latitude (NS)	Longitude (EW)	Notes

Paranal	2635m	-24.63 S	-70.4 W
La Silla	2350m	-29.25 S	-70.73 W
ALMA	4800m	-22.961292 S	-67.696252 W
San Pedro Martir Sierra	2800m	31^°02' 39" N	115^°27' 49" W
La Palma, Canary Isle	2400m	28^°45' 34" N	17^°52' 34" W
Mauna Kea	4200m	19.83 N	-155.47 W
Maidanak, Uzbekistan	2600m	38.68 N	66.9 E
Tibet	5500m	33 N	83 E
Hanle	4500m	32^°46' 46" N	78^°57' 51" E	Prof. Ogura's travel
OAO	420m	34^°34' 26" N	133^°35' 47" E

References
- JELT: Astronomical Future Plan report (2005) (pdf 168MB)
- JELT Meeting Reports
  - JELT Meeting memos

Sasaki's JELT HP
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contact to: sasaki@naoj.org

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