MEGARA Online Exposure Time Calculator (v1.0.1)
Target Input Flux Distribution
Source Type
Point
Extended
Input Size
Area
Radius
Area (arcsec$^{2}$)
Radius (arcsec)
Input flux
Continuum
Line + Continuum
Resolved line?
No
Yes
Input spectrum
Uniform
Elliptical
S0
Sa
Sb
Sc
NGC1068
M2 I
Starburst1
Starburst2
Starburst3
Starburst4
Starburst5
Starburst6
Bulge
Liner
QSO
Sy1
Sy2
Orion
PN
O5 V
O7 V
O9 V
B0 V
B1 V
B3 V
B5 V
B8 V
A1 V
A3 V
A5 V
F0 V
F2 V
F5 V
F8 V
G2 V
G5 I
G5 V
G8 V
K0 V
K4 V
K7 V
M2 V
M4 V
M6 V
Continuum band
U
B
V
R
I
Continuum mag
Continuum flux
Continuum mag
Continuum flux
Line flux (cgs units)
Line wavelength (Angstrom)
Line FWHM (Angstrom)
Batch process?
No
Yes
empty
Instrument Setup
Observing mode
LCB IFU
MOS
VPH setup
-empty
HR-R
HR-I
MR-U
MR-UB
MR-B
MR-G
MR-V
MR-VR
MR-R
MR-RI
MR-I
MR-Z
LR-U
LR-B
LR-V
LR-R
LR-I
LR-Z
Atmospheric Conditions
Sky condition
Photometric
Clear
Spectroscopic
Moon phase
Bright
Grey
Dark
Airmass
Seeing (arcsec)
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
Observational Setup
Calculation mode
ExpTime to SNR
SNR to ExpTime
Number of exp. frames
Exptime per frame (s)
Number of Sky Fibers
Number of Target Fibers
Line aperture
Continuum aperture
Output Setup
Graphic output?
No
Yes
Submit
Reset
Manual
Quick Start
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Output Continuum S/N:
Output Line S/N:
Input Parameters:
Store Results (TXT):
Store details of calculations (HTML):
Store batch process results (CSV):