First


SDSS objects that match to FIRST objects have their match parameters stored here.


Aliases: sxFirst, first, FIRST

Inheritance:
First <-ExternalCatalog

Members inherited from ExternalCatalog
Member Name/AliasesDatatypeDescription
delta float32 Position difference between catalog and photo object (r' band) in arcsecs
match int32 Match to different catalogs
  USNO : 1 = match to catalog within 2.5"
  FIRST:     number of matches to catalog within 1.5"
  ROSAT: 1 = match to catalog within 60"
type int16 Object match type 
  ROSAT_MATCH = 0
  FIRST_MATCH = 1
  USNO_MATCH  = 2
phototag;
PhotoTag;
obj;
pobj 		OneAssoc(PhotoTag) Link to photo object

Data Members of First:
Member Name/AliasesDatatypeDescription
peak;
firstPeak 		float32 Peak first radio flux (mJy)
integr;
int;
firstInt 		float32 Integrated first radio flux (mJy)
rms;
firstRms 		float32 rms error in flux (mJy)
major;
firstMajor 		float32 Major axis (deconvolved) (arcsecs)
minor;
firstMinor 		float32 Minor axis (deconvolved) (arcsecs)
pa;
firstPa 		float32 position angle (east of north) (degrees)
id;
firstId 		int32 FIRST catalog id of one matching source
lambda float64 Composite radio source survey longitude (degrees)
eta float64 Composite radio source survey latitude (degrees)

© Copyright 2000 Peter Z. Kunszt Alex S. Szalay , Ani R. Thakar
and The SDSS Collaboration