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Two-Degree Field

AAT Instrument. The original 2dF (with two spectrographs mounted on the top end ring) is a decommissioned facility and is no longer offered or supported at the AAT. For information on current use of 2dF, please refer to the AAOmega web pages. The following information is provided for historical completeness only.

In Brief: The 2dF is designed to allow the acqusition of up to 400 simultaneous spectra of objects anywhere within a two degree field on the sky.
Instrument Scientist: No Instrument Scientist at present. Contact Head of Astronomy for information.
Manual: On-line manual
Other Info: 2dF home page
Latest version of configure
S/N Calculator

Detector:

2xTEK 1024x1024 CCDs

Focal Station:

Prime focus

Spectral Resolution*:

R=450-2500 (At B)

Fibre diameter:

140mm -> 2.1 arcsec

Gratings:

Diffraction gratings

Sensitivities:

S/N calculator
*Spectral Resolution, R, measured as lambda/delta_lambda, delta_lambda = Instrumental Resolution