AMBER (Very Large Telescope)

AMBER before its installation at the VLTI in 2003

AMBER, the Astronomical Multi-Beam Recombiner,[1][2] is an instrument mounted on the Very Large Telescope (VLT), combining the light of the three Unit Telescopes in the near-infrared of the VLT-Interferometer (VLTI). It is at the source of a considerable number of publications[3] in the field of optical long-baseline interferometry.

It combines three out of the four telescopes of the VLTI, through a spectrograph, making it a unique instrument, combining spectroscopy and interferometry. These properties, and the fact that AMBER is an open-community instrument, made it a successful instrument. It can be compared to its fellow in the mid-infrared, the MIDI instrument in terms of the number of publications.

Highlights from the AMBER instrument[4] include the first detection of a Keplerian-rotating disk around a Be star,[5] the discovery of disks around evolved stars,[6][7] the characterization of the disks of young stars,[8][9] the observations of novae,[10] the sharpest images of evolved stars [11][12][13][14] and the characterization of the central dusty torus of active galactic nuclei.[15] As of the end of 2017, 150 refereed papers had been published using AMBER data.[16]

## See also

* Astronomical interferometer
* CHARA array
* GRAVITY – Very Large Telescope
* Infrared Spatial Interferometer
* MATISSE – Multi Aperture Mid-Infrared Spectroscopic Experiment
* NPOI – Navy Precision Optical Interferometer

## References

1. ↑ "[AMBER, focal instrument of the Very Large Telescope Interferometer ] Page d'accueil". Amber.obs.ujf-grenoble.fr. http://amber.obs.ujf-grenoble.fr/. Retrieved 2014-08-19.
2. ↑ "The Sky Through Three Giant Eyes". ESO. 2007-02-23. http://www.eso.org/public/news/eso0706/. Retrieved 2014-08-19.
3. ↑ "Instrument". Archived from the original on October 4, 2013. https://web.archive.org/web/20131004215610/http://apps.jmmc.fr/bibdb/plots/tag_pies.php?catid=4. Retrieved July 5, 2014.
4. ↑ "Press Releases". ESO. http://www.eso.org/public/news/?search=amber. Retrieved 2014-08-19.
5. ↑ "To Be or Not to Be: Is It All About Spinning?". ESO. 2006-09-20. http://www.eso.org/public/news/eso0635/. Retrieved 2014-08-19.
6. ↑ "The Frugal Cosmic Ant". ESO. 2007-09-27. http://www.eso.org/public/news/eso0742/. Retrieved 2014-08-19.
7. ↑ "Into the Chrysalis". ESO. 2007-09-27. http://www.eso.org/public/news/eso0743/. Retrieved 2014-08-19.
8. ↑ "The Growing-up of a Star". ESO. 2008-01-29. http://www.eso.org/public/news/eso0803/. Retrieved 2014-08-19.
9. ↑ "Unravelling the Mystery of Massive Star Birth". ESO. 2010-07-14. http://www.eso.org/public/news/eso1029/. Retrieved 2014-08-19.
10. ↑ "Watching a 'New Star' Make the Universe Dusty". ESO. 2008-07-24. http://www.eso.org/public/news/eso0822/. Retrieved 2014-08-19.
11. ↑ "Hundred metre virtual telescope captures unique detailed colour image". ESO. 2009-02-18. http://www.eso.org/public/news/eso0906/. Retrieved 2014-08-19.
12. ↑ "Double Engine for a Nebula". ESO. 2009-08-05. http://www.eso.org/public/news/eso0928/. Retrieved 2014-08-19.
13. ↑ "VLT Spots Largest Yellow Hypergiant Star". ESO. 2014-03-12. http://www.eso.org/public/news/eso1409/. Retrieved 2014-08-19.
14. ↑ "First "3D View" from the VLT Interferometer". ESO. 2011-01-26. http://www.eso.org/public/announcements/ann11002/. Retrieved 2014-08-19.
15. ↑ "Dusty Surprise Around Giant Black Hole". ESO. 2013-06-20. http://www.eso.org/public/news/eso1327/. Retrieved 2014-08-19.
16. ↑ "ESO Publication Statistics". http://www.eso.org/sci/libraries/edocs/ESO/ESOstats.pdf. Retrieved 2018-08-06.

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