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HARPS Exposure Time Calculator

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Optical Echelle Spectroscopy Mode Version 3.2.10
Description.
F.A.Q
Performance

Input Flux Distribution

Blackbody T: Kelvin
Power Law Index: F(λ) is proportional to λ(Index)
Template Spectra Redshift Z:
Object Magnitude: Band:
Magnitudes are given per square arcsec for extended sources. Note that some template spectra are defined over a limited wavelength range and may not allow calculations for all instrument configurations. The object magnitude is not taken into account for single line sources.
Single line λ: [380-690] nm FWHM: nm Flux 10-16 ergs/s/cm2 (per arcsec2 for extended sources)
Spatial Distribution: Point Source Extended Source

Sky Conditions

Moon: from new moon
Airmass:
Seeing: arcsec (range: [ 0.30 ; 3.00 ])

Instrument Setup

CCD mode:

In the binning,the second value refers to the direction of the dispersion in the spectra

Efficiency Curves of optical components and filters.

Exposure Time:

Results

Tables: Spectral Format Expected Counts Graphs: Efficiency Obj Sky Imax S/N
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