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Extended sources
Limiting magnitude
versus
on-object integration time
, when observing in the background limited case for S/N per arcsec
2
equal to 3.
Limiting magnitude
versus
S/N ratio per arcsec
2
, when observing in the background limited case for 1 hour on-object integration time.
NOTE:
Exposure time here refers to total on-object exposure time. It does not include either the exposure time on-sky nor overheads.
Back to INGRID sensitivity
Last Updated: 12 July 2001
Almudena Zurita
azurita@ing.iac.es
