fiberpos-all

Summary:: A mapping of positioner number to fiber number, including positions from DESI-0530. An ECSV version of this file might also be present.
Naming Convention:: fiberpos-all.fits
Regex:: fiberpos-all\.fits
File Type:: FITS, 472 KB

Contents

Number	EXTNAME	Type	Contents
HDU0	PRIMARY	IMAGE	Empty
HDU1	FIBERPOS	BINTABLE	Fiber positions on focal plane

EXTNAME = PRIMARY

This HDU has no non-standard required keywords.

Empty HDU.

EXTNAME = FIBERPOS

Fiber positions on focal plane

Required Header Keywords Table

KEY	Example Value	Type	Comment
NAXIS1	87	int	length of dimension 1
NAXIS2	5430	int	length of dimension 2

Name	Type	Units	Description
PETAL	int32		Petal location [0-9]
DEVICE	int32		Device location on focal plane [0-523]
DEVICE_TYPE	char[3]		Device type
LOCATION	int64		Location on the focal plane PETAL*1000 + DEVICE
FIBER	int32		fiber number [0-4999]
X	float64	mm	positioner x center [mm]
Y	float64	mm	positioner y center [mm]
Z	float64	mm	positioner z location [mm]
Q	float64	deg	TODO: description needed
S	float64	mm	TODO: description needed
SPECTRO	int32		spectrograph number [0-9]
SLIT	int32		TODO: description needed
SLITBLOCK	int64		TODO: description needed
BLOCKFIBER	int64		TODO: description needed