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Instrumentation available at ING during 2023 and 2024

During 2023 and 2024, three instruments will be available on the ING telescopes: the new multi-object spectrograph WEAVE on the WHT, and IDS and the WFC on the INT.

At the WHT, commissioning of WEAVE is currently (August 2023) drawing to a close. After the science-verification phase is complete (probably ~ October 2023), 70% of WHT time will be devoted to the WEAVE surveys, and 30% will be available to the community (WEAVE open time). In 2024A (which for WEAVE actually covers observations from 1 May 2024 to 31 Oct 2024), we are offering in open time the fully-commissioned LIFU (large integral-field unit) mode of WEAVE. The MOS and mini-IFU modes of WEAVE will be offered in open time once their performance is well-characterised and the data-processing is working well.

On current plans, WEAVE will remain on the telescope throughout 2023 and 2024, so observations will not be possible with the Cassegrain instuments (ISIS, LIRIS, ACAM) or with visiting instruments at any WHT focus, during this period.

At the INT, the usual instruments (IDS, WFC) are offered in 2023B, and will be available until the end of April 2024. Affer that, refurbishment of the INT (for HARPS3) begins.

Further information about a given instrument can be obtained by clicking on the instrument name below, or by emailing one of the listed instrument specialists.

The latest news about the ongoing evolution of the instrumentation suite at the WHT and INT can be found on the ING instrumentation update page.

Information about how to apply for telescope time can be found on the applying for telescope time page.

Information about pre-WEAVE WHT instruments not offered in 2023 and 2024 (e.g. ISIS, ACAM) is linked from the previous version of this page. Information about instruments no longer offered at ING can be found on the page about past, present and future instruments.



Spectroscopy
Instrument/Contacts Wavelength
range
Resolving
power
Slit length Detector (§2) Comments
4.2-m William Herschel Telescope
Manager: Benn
WEAVE (being commissioned in 2023)
Specialists: Benn / Domínguez / Fariña  
3660 - 9590 Å R ~ 5000, 20000 Fibre-fed EEV CCDs MOS (up to 960 fibres) and IFU spectroscopy
2.5-m Isaac Newton Telescope
Manager: Fariña
IDS
Specialists: Ihanec / Domínguez
3000 - 10000 Å 700 < R < 10000
(1-arcsec slit)
3.3' Red+2 (or EEV10)
Long-slit spectroscopy


Imaging
Instrument/Contacts Detector (§2) Filters (§3) Scale ("/pixel) Field-of-view
2.5-m Isaac Newton Telescope
Manager: Fariña
Wide Field Camera (§1)
Specialists: Mendez /
EEV See database 0.33 33'.8 x 33'.8


SIGNAL can be used to calculate exposure times for most non-WEAVE telescope/instrument/detector combinations.

§ Notes

  1. INT WFC: offered at rotator angle 180 degrees only. When there is compelling scientific justification, other rotator angles (0, 90 or 270-degrees) can be offered for the duration of the run; changes to the rotator angle within a run are not permitted.
  2. CCDs: specifications and technical details are given on the ING detectors page.
  3. Filters: details are given on the ING filters page.


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Contact:  (Head of Astronomy)
Last modified: 15 December 2023