WARNING!

The ETC has been fine tuned for the imaging mode only.

For spectroscopy it is still based on design values.

Version 1.34.4

Telescope Modes

Seeing-limited mode

Diffraction-limited mode

Strehl ratio:

Object Characteristics

Point source

Extended source

Template Spectrum: B0V A0V F0V G0V K0V M0V E0_galaxy Sa_galaxy Sb_galaxy Sc_galaxy uniform Redshift:

Blackbody with T= K

Single line with ...

... Wavelength:
... Flux:
... Width:

micron
erg/s/cm²
Å

Target magnitude (Vega): U B V R I z J H K Ks Br_gam FeII H2 P_beta P_gam J_low J_high Y1 Y2 OH_1060 OH_1190 HeI OrderSep = mag (mag/sq.arcsec for extended sources)

Hardware Characteristics

LUCIFER 1

LUCIFER 2

Imaging mode

Spectroscopic mode

Filter: z J H K Ks Br_gam FeII H2 P_beta P_gam J_low J_high Y1 Y2 OH_1060 OH_1190 HeI OrderSep clear

Camera: N1.8 N3.75

Slit width: 0.25 0.50 0.75 1.00

Central wavelength of the grating in µm / Number of lines per millimeter: 1.00 / 210 1.25 / 210 1.65 / 210 1.93 / 200 2.15 / 150 2.20 / 210

Atmospheric Conditions

Water vapor: 1.00 1.60 3.00 mm

Airmass: 1.00 1.25 1.50 1.75 2.00 2.50

Seeing: arcsec

Sky brightness for the zenith (Vega): mag/sq.arcsec
pure black-body spectrum, no sky lines

Background file with 1.6 mm water vapor and selected airmass

Theoretical background spectrum

Parameters of Exposure

SNR

Total exposure time sec

Detector Integration Time (DIT): sec (the minimum DIT is 1.98 sec)