USNO



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


Aliases: sxUSNO, usno

Inheritance:
USNO <-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 USNO:
Member Name/AliasesDatatypeDescription
propermotion float32 Proper motion of object (arcsec/century)
angle;
propermotionangle
float32 Direction of proper motion (degrees (+N through E))
blue;
usnoBlue
float32 Blue magntiude of matching USNO object (mag)
red;
usnoRed
float32 Red magntiude of matching USNO object (mag)

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