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Glossary of WSA attributes
This Glossary alphabetically lists all attributes used in the UKIDSSDR4 database(s) held in the WSA. If you would like to have more information about the schema tables please use the UKIDSSDR4 Schema Browser (other Browser versions).

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

U
Name	Schema Table	Database	Description	Type	Length	Unit	Default Value	Unified Content Descriptor
ukirtRunNo	Multiframe	WSA	Original UKIRT run number (from filename)	int	4			REFER_CODE
ukirtRunNo	Multiframe	WSATransit	Original UKIRT run number (from filename)	int	4			REFER_CODE
UR_BULGE	mgcGalaxyStruct	MGC	Bulge (u-r) colour	real	4	AB mag	-99.9
UR_DISK	mgcGalaxyStruct	MGC	Disk (u-r) colour	real	4	AB mag	-99.9
UR_TOTAL	mgcGalaxyStruct	MGC	Total (u-r) Colour	real	4	AB mag	-99.9
use_src	twomass_psc, twomass_xsc	2MASS	Use source flag.	smallint	2			CODE_MISC
userid	Multiframe	WSA	Userid logged in as {image primary HDU keyword: USERID}	varchar	64		NONE	ID_HUMAN
userid	Multiframe	WSATransit	Userid logged in as {image primary HDU keyword: USERID}	varchar	64		NONE	ID_HUMAN
uStepID	Multiframe	WSA	Serial number in this microstep pattern {image primary HDU keyword: USTEP_I}	smallint	2		-9999	ID_NUMBER
uStepID	Multiframe	WSATransit	Serial number in this microstep pattern {image primary HDU keyword: USTEP_I}	smallint	2		-9999	ID_NUMBER
uStepX	Multiframe	WSA	X (RA) offset in microstep pattern {image primary HDU keyword: USTEP_X}	real	4	arcsec	-0.9999995e9	POS_EQ_RA_OFF
uStepX	Multiframe	WSATransit	X (RA) offset in microstep pattern {image primary HDU keyword: USTEP_X}	real	4	arcsec	-0.9999995e9	POS_EQ_RA_OFF
uStepY	Multiframe	WSA	Y (Dec) offset in microstep pattern {image primary HDU keyword: USTEP_Y}	real	4	arcsec	-0.9999995e9	POS_EQ_DEC_OFF
uStepY	Multiframe	WSATransit	Y (Dec) offset in microstep pattern {image primary HDU keyword: USTEP_Y}	real	4	arcsec	-0.9999995e9	POS_EQ_DEC_OFF
ut	twomass_scn	2MASS	Universal Time (UT) at beginning of scan.	float	8	hr		TIME_DATE
utDate	Multiframe	WSA	Observation date (MM-DD-YYYY) {image primary HDU keyword: UTDATE}	datetime	8	MM-DD-YYYY	12-31-9999	TIME_DATE
utDate	Multiframe	WSATransit	Observation date (MM-DD-YYYY) {image primary HDU keyword: UTDATE}	datetime	8	MM-DD-YYYY	12-31-9999	TIME_DATE
utDateObs	Plate	SSA	UT date of observation	datetime	8	MM-DD-YYYY	12-31-9999	TIME_DATE
utEnd	Multiframe	WSA	End time of integration [H.h] {image primary HDU keyword: UTEND}	float	8	hours	-0.9999995e9
utEnd	Multiframe	WSATransit	End time of integration [H.h] {image primary HDU keyword: UTEND}	float	8	hours	-0.9999995e9
utStart	Multiframe	WSA	Start time of integration [H.h] {image primary HDU keyword: UTSTART}	float	8	hours	-0.9999995e9
utStart	Multiframe	WSATransit	Start time of integration [H.h] {image primary HDU keyword: UTSTART}	float	8	hours	-0.9999995e9