Help: Application of Optical Fibre In Astronomy?

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SUMMARY

The discussion focuses on the application of optical fibre technology in astronomy, specifically highlighting the 2-degree field (2df) galaxy redshift survey, which utilizes approximately 400 optical fibres to capture spectra from galaxies across a 2-degree field of view. The 2df instrument, which has been instrumental in gathering around 220,000 galaxy redshifts with a median redshift of ~0.1, is being decommissioned and replaced by the AAOmega instrument, known for its enhanced sensitivity. This transition marks a significant advancement in astronomical observational capabilities.

PREREQUISITES
  • Understanding of optical fibre technology in astronomical instruments
  • Familiarity with galaxy redshift surveys
  • Knowledge of the 2df and AAOmega instruments
  • Basic concepts of astronomical spectroscopy
NEXT STEPS
  • Research the specifications and capabilities of the AAOmega instrument
  • Explore the methodologies used in the 2-degree field galaxy redshift survey
  • Learn about the implications of redshift measurements in cosmology
  • Investigate advancements in optical fibre technology for astronomical applications
USEFUL FOR

Astronomers, astrophysicists, and students interested in the technological advancements in observational astronomy and the role of optical fibres in galaxy surveys.

alfu
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I'm doing a presentation in this topic and I find it very hard to look for information on the web. Please, point me to any website or resources that have information about this topic? Thank You~! :confused:
 
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Here is a link to the 2 degree field galaxy redshift survey. The largest redshift survey to date with around 220 000 galaxy redshifts with median redshift ~ 0.1 and an average magnitude limit of 19.45.

http://magnum.anu.edu.au/~TDFgg/

The 2df instrument uses ~400 optical fibres to take spectra of galaxies spread over 2 degrees of sky in one pointing.



The 2df instrument is now being decomissioned and is to be replaced by AAOmega, which will have higher sensitivity.
 

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