Shelyak eShel Complete Spectrograph System

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Shelyak eShel Complete Spectrograph System
$19,995.00
Item # SL-ES0007
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  • The Shelyak eShel Spectrograph System is your complete and fully operational spectroscopy solution specifically designed for astronomy.
  • The complete Shelyak eShel solution is made of four major modules: Fiber Injection & Guiding Unit, Calibration Unit, eschell spectrograph, and eShel Software.
  • The Shelyak eShel Spectrograph System is a unique and powerful tool that will allow you to productively run your spectroscopic observations.
  • Optical fiber increases radial velocities, measurement accuracy, and provides better comfort..
Description

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Shelyak eShel Complete Spectrograph System


The Shelyak eShel is your complete and fully operational spectroscopy solution specially designed for astronomy. This unique and highly functioning instrument will allow you to productively run your spectroscopic observations.

Shelyak designed this spectrograph with Christian Buil, a highly recognized optician expert. The software module has been written by Michel Pujol, an expert in Tcl/Tk and AudeLA platform. They both complement Shelyak's expertise to bring you the best solution in echelle spectroscopy for astronomy!

The choice of optical fiber has been made to increase radial velocities measurement accuracy and for better comfort in using the eShel.

The complete Shelyak eShel solution is made of four major modules...


Fiber Injection & Guiding Unit

  • M42 T-adapter telescope interface
  • 43mm backfocus
  • Mirror with light going through a 50µm hole for the f/6 standard version
  • Calibration fiber input (remote controlled mirror position)
  • Fiber optics
    • 50µm object fiber
    • 200µm calibration fiber
    • Fibers protected by metal/plastic casing
    • FC fiber connectors
  • Guiding camera (Atik Titan recommended)


Calibration Unit

  • Thorium-Argon lamp with high voltage power supply for precise calibration
  • Flat lamp for echelle order geometry and blaze processing
  • Electronic to control remotely calibration frame acquisition


eschelle Spectrograph

  • Cross-dispersed echelle spectrograph
    • f=125mm collimator (f/5)
    • R2 high efficiency echelle grating
    • Coated prism cross-disperser
    • 85mm f/1.8 objective
  • Compact
  • High power of resolution R=10000
  • Visible domain (around 450-700nm)
  • Optimized for large telescopes (50µm fiber)
  • Choice of imaging camera
    • KAF1603me chip based (size >13*9mm)
    • QSI 516ws or SBIG ST1603me camera recommended
    • Canon EOS lens interface with standard SLR backfocus


eShel Software

  • Easy to use
  • Open source, based on AudeLA platform and Tcl/Tk language
  • Works on MS Windows platform
  • Multi-language support
  • Remote-controlled operations
  • Automatic spectra reduction procedure after acquisition
  • FITS file support with multiple HDU
  • Export individual orders or merged spectrum


Shelyak Instruments Product Number: ES0007
Additional Information

Additional Information

SKU SL-ES0007
Manufacturer Shelyak
Spectrograph or Accessory? Spectrograph
Warranty 1 Year Warranty
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Included Items

Included Items

  • Shelyak eShel Complete Spectrograph System with guiding CCD camera
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