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The William Herschel Telescope

WHT drawing
The William Herschel Telescope (WHT), inaugurated in 1987, is one of the most scientifically productive telescopes of its kind in the world.

It is a general-purpose facility, instrumented to allow a wide range of astronomical observations, from the optical wavelengths to the infrared. Through continued development of instrumentation the WHT remains at the forefront of astronomical research. A good example is the state-of-the-art multi-object spectrograph WEAVE, which is capable of taking thousands of spectra every night.

The telescope played an important role in discovering the accelerated expansion of the Universe, and it has made important contributions in the fields of observational cosmology, gamma-ray bursts, galaxy dynamics, star evolution and solar-system bodies.

More information can be found at the ING Public Information web pages.

William Herschel Telescope

General information

The William Herschel Telescope:

William Herschel Telescope info sheet. PDF: English | Español.

Articles on the WHT.

NAOMI image of asteroid 2002NY40

The WHT impact

Scientific highlights

Media releases


ING scientific productivity

WHT Deep Field

Images obtained using the WHT

ING Image Galleries.

These web pages show images which were taken using the WHT and sorted into different collections.
WHT and the Milky Way

Photos and Videos of the WHT

 The telescope (46).

 Instruments (88).

 External view (3).

 Videos (33).

External views

Other facilities

Construction and erection

WHT cutaway

Technical Information

WHT Home Page.
General Information web page mantained by the WHT manager.
Other documentation.
Other technical aspects of the WHT are well documented in the online astronomy documentation archive.

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Last modified: 06 June 2020