fiberpos

Summary:: A random mapping of positioner number to fiber number. ECSV and plain text versions of this file might also be present.
Naming Convention:: fiberpos.fits
Regex:: fiberpos\.fits
File Type:: FITS, 440 KB

Contents

Number	EXTNAME	Type	Contents
HDU0	PRIMARY	IMAGE	Empty
HDU1	FIBERPOS	BINTABLE	Map of positioner to fiber.

EXTNAME = PRIMARY

This HDU has no non-standard required keywords.

Empty HDU.

EXTNAME = FIBERPOS

Map of positioner to fiber.

Required Header Keywords Table

KEY	Example Value	Type	Comment
NAXIS1	87	int	width of table in bytes
NAXIS2	5000	int	number of rows in table
EXTNAME	FIBERPOS	str	name of this binary table extension

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