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LUCI - Exposure Time Calculator
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LUCI 1 & 2 zero points are from Jochen Heidt dated 24-Nov-2016.
Object Characteristics
Point source
Extended source
Template Spectrum:
Redshift:
Blackbody
with T=
K
Single line
with
... Wavelength:
micron
... Flux:
erg/s/cm
2
... Width:
Å
Target magnitude
(Vega):
=
mag
Atmospheric Conditions
Water vapor:
mm
Airmass:
Seeing:
arcsec
Sky brightness
for the zenith (Vega):
mag
uniform flux density distribution, no sky lines
Background file
with 1.6 mm water vapor and selected airmass
Theoretical background spectrum
Telescope Mode
Seeing-limited mode
Diffraction-limited mode
Strehl calculator
Strehl ratio:
Instrument Configuration
LUCI 1
LUCI 2
Imaging mode
Spectroscopic mode
Filter:
Camera:
Slit width:
Grating
central wavelength (µm) / Lines per mm:
Exposure Parameters
SNR
Total exposure time
sec
Detector Integration Time (DIT):
sec
(the minimum DIT is 2.53 sec)
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