Level 0 (Ramp)

Liger and IRIS level 0 data (L0) are a set of UTR images read out from the Hawaii 2- or 4-RG detectors. Imager and IFU level 0 data products use the same datamodel.

Extensions

#

Name

HDU Type

Data Type

Dimensions

Units

Description

1

SCI

Image

Float32

Ny x Nx x Ngroups x Nreads

e-/s

Individual reads split by groups.

2

TIMES

Table

See below

See below

See below

Start time of each read.

3

PIXEL_DQ

Image

Uint32

Ny x Nx

N/A

Data quality for groups.

4

GROUP_DQ

Image

Uint32

Ny x Nx x Ngroups x Nreads

N/A

Data quality for each group of reads.