Externally Dispersed Interferometry for Planetary Studies

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We describe a plan to study the radial velocity of low mass stars and brown dwarfs using a combination of interferometry and multichannel dispersive spectroscopy, Externally Dispersed Interferometry (EDI). The EDI technology allows implementation of precision velocimetry and spectroscopy on existing moderate-resolution echelle or linear grating spectrograph over their full and simultaneous bandwidth. We intend to add EDI to the new Cornell TripleSpec infrared simultaneous JHK-band spectrograph at the Palomar Observatory 200'' telescope for a science-demonstration program that will allow a unique Doppler-search for planets orbiting low mass faint M, L and T type stars. The throughput advantage of EDI ... continued below

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PDF-file: 14 pages; size: 1.3 Mbytes

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Erskine, D J; Edelstein, J; Harbeck, D & Lloyd, J July 6, 2005.

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Description

We describe a plan to study the radial velocity of low mass stars and brown dwarfs using a combination of interferometry and multichannel dispersive spectroscopy, Externally Dispersed Interferometry (EDI). The EDI technology allows implementation of precision velocimetry and spectroscopy on existing moderate-resolution echelle or linear grating spectrograph over their full and simultaneous bandwidth. We intend to add EDI to the new Cornell TripleSpec infrared simultaneous JHK-band spectrograph at the Palomar Observatory 200'' telescope for a science-demonstration program that will allow a unique Doppler-search for planets orbiting low mass faint M, L and T type stars. The throughput advantage of EDI with a moderate resolution spectrograph is critical to achieving the requisite sensitivity for the low luminosity late L and T dwarfs.

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PDF-file: 14 pages; size: 1.3 Mbytes

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  • Presented at: SPIE Optics & Photonics, San Diego, CA, United States, Jul 31 - Aug 04, 2005

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  • Report No.: UCRL-PROC-214588
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 877805
  • Archival Resource Key: ark:/67531/metadc880226

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  • July 6, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 5, 2016, 3:34 p.m.

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Erskine, D J; Edelstein, J; Harbeck, D & Lloyd, J. Externally Dispersed Interferometry for Planetary Studies, article, July 6, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc880226/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.