Core Community Survey · High Latitude Wide Area Survey
Deep Tier
Dark energy, via weak lensing and galaxy clustering
What this is
Every imaging filter plus the grism, over a small area. Calibrates the photometric redshifts used across the wide tiers, and reaches the high-redshift universe directly.
Four nested tiers over more than a tenth of the sky. Wide tiers supply the galaxy shapes weak lensing needs; deep tiers calibrate them and reach the earliest galaxies.
Bands
Optical elements this tier observes through
F1461.464 µmVery wide band for maximum depth — the microlensing workhorse.
F0870.869 µmz-band analogue, used heavily for photometric redshifts.
F1061.060 µmY-band; a core High Latitude Wide Area Survey filter.
F1291.293 µmJ-band; a core survey filter.
F1581.577 µmH-band; a core survey filter.
F1841.842 µmReaches past the H band for the highest-redshift sources.
F2132.125 µmReddest band; probes the most obscured and most distant objects.
No survey products yet. Products for Deep Tier will list here as MAST publishes them.
Defined parameters
Source
Figures are from the ROTAC survey definition.
ROTAC recommendation · HLWAS implementationMAST archive