VLTI MATISSE

VLTI Prototype Mode Version P103.5
Description
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VLTI MATISSE ETC

Instrument Properties

Observing Mode:
LM central wavelength μm

Target Properties

Target Spectrum:
Blackbody: Temperature: K Target Flux: Jy in
Power Law Index:           F(λ) ∝ λindex

Target geometry:
Uniform Disc: Diameter: mas
Gaussian: FWHM: mas
Elliptical Gaussian: Major axis: mas
Minor axis: mas
Position Angle: deg (*)
Binary: Diameter, Primary: mas
Diameter, Secondary: mas
Separation: mas
Position Angle: deg (*)
Flux Fraction, Primary: (**)
Flux Fraction, Secondary: (**)
(*) angles counted from North to East
(**) Flux Fraction, Primary + Flux Fraction, Secondary = 1

Time constraints:
Start hour angle: hour
Duration: hours
Step: minutes

Baseline Configuration

Configuration:
VLTI station layout
VLTI Station Positions

Sky Conditions

Override almanac sky parameters and use instead typical fixed sky model parameters except Moon phase and airmass
Moon FLI: Airmass:
Time
Time step forward/back



Target
Target coordinates Name or ID:  
α      δ     
UT rise
culm.
set
Hour Angle azimuth altitude zenith distance airmass FLI moon/sun
phase angle
moon/target
separation
Target
Moon
Sun
An advanced almanac is available in the ESO SkyCalc sky model calculator
PWV:     mm         Probability % of realising the PWV ≤ 10.00 mm

Results

Observation time (Time on target + time on sky if chopping is performed):
240s (4min) is the actual time on fringes per OB
seconds
LM band N band
SNR on Visibility2
Expected precision on differential phase deg deg
Expected precision on closure phase deg deg

Plots:

Toggle All / No Plots
LM band N band
Visibility2
Differential Phase
Closure Phase
Target Spectrum
Sky Spectrum
Loss of Correlated Magnitude
SNR / Observation Time
Uncertainties on Differential and Closure Phases
Delay Line
Baseline length
Target altitude
Target azimuth
Airmass
Observability Constraints