ExternalCatalog


All external catalog objects inherit from this class.


Aliases: sxExternalCatalog, external, externalCatalog

Data Members of 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 = if any match found [currently (8/01) search out to 30"]
  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

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