LEDAS  
Leicester Database and Archive Service
 
ARNIE Index
ARNIE Help
ARNIE Tutorial
Search...
All databases
All helpfiles
Line
Footer
E-mail
 Database: DR3QSO
   SDSS Quasar Catalog (Release 3)
Database Index | Basic Search | Advanced Search
 Name Resolver
Name:

 Search Co-ordinates
Co-ords:

Co-ordinate system:
Equatorial Ecliptic Galactic
Equinox: 1950 2000

 Search Type
Cone search, radius: arcmin.
Square search, width: arcmin.
Rectangle search, size: arcmin
 Output Options
 Output coordinates in:
Decimal  Sexagesimal
 Output system:
Equatorial   Ecliptic   Galactic
 Output epoch:
J2000   B1950
 Output format:
Filter Search  
Show
Sort
Parameter
Filter
A
Filter
B
Definition
 
Select All
<- Sort by distance from search centre (default)
 SDSSNAME 
DR3 Object Designation
 RA 
R.A.(J2000)
 DECL 
Dec.(J2000)
 Z 
Redshift
 PSFMAG_U 
u PSF magnitude
 PSFMAGERR_U 
error in u PSF magnitude
 PSFMAG_G 
g PSF magnitude
 PSFMAGERR_G 
error in g PSF magnitude
 PSFMAG_R 
r PSF magnitude
 PSFMAGERR_R 
error in r PSF magnitude
 PSFMAG_I 
i PSF magnitude
 PSFMAGERR_I 
error in i PSF magnitude
 PSFMAG_Z 
z PSF magnitude
 PSFMAGERR_Z 
error in z PSF magnitude
 A_U 
Galactic absorption in u band (magnitudes)
 LGNH 
log [Galactic HI column density]
 FIRSTMAG 
FIRST Peak flux density (AB mag) at 20 cm
 FIRST_SN 
S/N ratio for FIRST flux
 FIRST_SEP 
SDSS/FIRST separation (arc seconds)
 FIRST_FLUX_AT_OPT 
Flag for FIRST flux at optical position but no source in FIRST
 FIRST_EXTMATCH 
Flag for FIRST source a distance between 2" and 30" from the optical position
 LG_RASS_RATE 
log RASS BSC/FSC full band count rate (counts/second)
 RASS_SN 
S/N ratio for RASS count rate
 RASS_SEP 
SDSS/RASS separation (arc seconds)
 TWOMASSMAG_J 
2MASS J magnitude
 TWOMASSMAGERR_J 
2MASS J magnitude error
 TWOMASSMAG_H 
2MASS H magnitude
 TWOMASSMAGERR_H 
2MASS H magnitude error
 TWOMASSMAG_K 
2MASS K magnitude
 TWOMASSMAGERR_K 
2MASS K magnitude error
 TWOMASS_SEP 
SDSS/2MASS separation
 M_I 
M_i (Absolute i magnitude)
 MORPHOLOGY 
Morphology flag
 SCIENCEPRIMARY 
SCIENCEPRIMARY flag
 MODE 
SDSS MODE flag
 BESTPRIMTARGET 
Target selection flag (BEST)
 TS_B_QSO 
Low-z Quasar (color selection only) target flag
 TS_B_HIZ 
High-z Quasar (color selection only) target flag
 TS_B_FIRST 
FIRST target flag
 TS_B_ROSAT 
ROSAT target flag
 TS_B_SERENDIP 
Serendipity target flag
 TS_B_STAR 
Star target flag
 TS_B_GAL 
Galaxy target flag
 RUN_BEST 
SDSS Imaging Run Number for photometric measurements
 MJD_BEST 
Modified Julian Date of imaging observation
 MJD_SPEC 
Modified Julian Date of spectroscopic observation
 PLATE 
Spectroscopic Plate Number
 FIBERID 
Spectroscopic Fiber Number
 RERUN_BEST 
SDSS Photometric Processing Rerun Number
 CAMCOL_BEST 
SDSS Camera Column Number
 FIELD_BEST 
SDSS Frame Number
 OBJ_BEST 
SDSS Object Number
 TILINGCHUNK 
SDSS Chunk Number
 TARGPRIMTARGET 
Target selection flag (TARGET)
 T_PSFMAG_U 
u PSF magnitude (TARGET)
 T_PSFMAGERR_U 
error in u PSF magnitude (TARGET)
 T_PSFMAG_G 
g PSF magnitude (TARGET)
 T_PSFMAGERR_G 
error in g PSF magnitude (TARGET)
 T_PSFMAG_R 
r PSF magnitude (TARGET)
 T_PSFMAGERR_R 
error in r PSF magnitude (TARGET)
 T_PSFMAG_I 
i PSF magnitude (TARGET)
 T_PSFMAGERR_I 
error in i PSF magnitude (TARGET)
 T_PSFMAG_Z 
z PSF magnitude (TARGET)
 T_PSFMAGERR_Z 
error in z PSF magnitude (TARGET)
 OBJECT_NAME 
Object Name if previously published

 Output number of lines:  
If you have any problems, please consult the help page or mail ledas-help@star.le.ac.uk
 
HOME
SEARCH
SERVICES INFO SOFTWARE ViZieR BLASTA DSS
ARCHIVES ASCA CHANDRA GINGA ROSAT ARNIE