VIMOS Exposure Time Calculator

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Legacy version P95-phase2 (December 2014)
Provided for reference only!

This is not the normal ETC version www.eso.org/observing/etc

Optical Imaging Mode Version 5.0.0

Description.

F.A.Q

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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:  Vega AB

Spatial Distribution:

Point Source

Extended Source

Extended Source: Integral Photometry

Aperture Radius arcsec

Indicate the desired aperture magnitude in the broad band associated filter, and the aperture radius

Sky Conditions

Days From New Moon: Airmass: Seeing: arcsec

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

Optical Path

Filter:             

Detector:

Observation

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

Results


On submission the model can generate the following graphs:

Plots:  Toggle All / No Plots

 Input spectrum in physical units
 Total Efficiency
 CCD Illumination
 S/N as a function of Seeing (for pointlike sources only)
 S/N as a function of Exposure Time
 2D simulated image (pointlike sources only)

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