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VIMOS Exposure Time Calculator

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Optical Spectroscopy Integrated Field Unit Mode Version 3.2.10
Description.
F.A.Q
Performance

Input Flux Distribution

 



 Continuum (Flat Spectra)
 Blackbody: T =		 Kelvin
 Template Spectra:	  Redshift Z = 

   Single line
	Wavelength:         nm
	Flux:               10-16 ergs/s/cm2 (per arcsec2 for extended sources)
	FWHM:               nm (Minimum value: 0.50)

 Object Magnitude:       		Band:
Spatial Distribution: 

 Point Source

		 Extended Source


 



Sky Conditions

Days From New Moon:  Airmass:    Seeing:  arcsec

The sky brightness is determined by the moon phase and the instrument efficiency according to this table.


 





Optical Path


Grism:             



IFU Spatial Sampling:  0.66 arcsec   0.33 arcsec



Detector: 




Observation
 S/N:			Value    Plotting range  %
 Exposure Time (s):	Value    Plotting range  %

  Flat Field Accuracy: 0.0  







 

Results
On submission the model can generate the following graphs:

 Object Spectrum
 Sky Spectrum at central row
 Total spectrum (object+sky) at central row
 Input spectrum in physical units
 Total Efficiency and Wavelength Range
 Signal to noise versus wavelength





           













This software has been prepared 
in collaboration between ESO and the VIMOS consortium
 


Send comments to ESO/DMD User Support Department<usd-help@eso.org>




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