2.15 m "Jorge Sahade" Telescope

Exposure Time, SNR and Limiting Magnitude Calculator


Telescope:
Primary
m
Secondary
m
Scale
arcsec/mm

Instrument
Direct

Polarimeter Spectrograph
Focal Reducer CASPOL
CASPROF
REOSC
B&C
EBASIM

Detector
Camera Gain
[e-/ADU]
Read Noise
[e-]
Clock Dark Curr
[e-/h/pix]
Roper-2048B
Roper-1300B
Tektronic-1024

Binning:
Instrumental response
Transmission U B V R I Free New
Telescope
Focal Reducer
Roper-2048B
Filter
User defined QE

Zero point calibration
U B V R I Free New
Δzp

Atmosphere
FWHM: arcsec pix Air Mass: Moon's age: days
Filter U B V R I Free New
Sky0 [mag/arsec2]
User's Background [ADU/pix]
Extinction Coeficient K1


Calculate

Exposure Time
SNR value
Magnitude
sec mag
Number of expositions
Source type Point Extended
Photometric aperture (radius) fwhm arcsec pix
Filter
U
B
V
R
I
Free
New



Result: