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VII/252
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VII/252
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Distance (x,y)
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) or
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:
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J2000
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VII/252
2971
SDSS-DR5 quasar catalog (Schneider+, 2007)
ReadMe+ftp
Similar Catalogs
This catalogue is obsoleted by
VII/260
Post annotation
1.
VII/252/dr5qso
The SDSS Quasar Catalog IV, DR5
(77429 rows)
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
Show
Sort
Column
Constraint
Explain
(
UCD
)
recno
Record number within the original table (starting from 1)
(
meta.record
)
(
RECORD
)
SDSS
(char)
SDSS DR5 Object Designation
(Note 1)
(
meta.id;meta.main
)
(
ID_MAIN
)
RAJ2000
deg
Right Ascension in decimal degrees (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
deg
Declination in decimal degrees (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
z
Redshift
(
src.redshift
)
(
REDSHIFT_HC
)
umag
mag
(n)
SDSS BEST u band PSF magnitude
(Note 2)
(
phot.mag;em.opt.U
)
(
PHOT_SDSS_U
)
e_umag
mag
Error in B-umag
(
stat.error;phot.mag;em.opt.U
)
(
ERROR
)
gmag
mag
(n)
SDSS BEST g band PSF magnitude
(Note 2)
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
e_gmag
mag
Error in B-gmag
(
stat.error;phot.mag;em.opt.B
)
(
ERROR
)
rmag
mag
(n)
SDSS BEST r band PSF magnitude
(Note 2)
(
phot.mag;em.opt.R
)
(
PHOT_SDSS_R
)
e_rmag
mag
Error in B-rmag
(
stat.error;phot.mag;em.opt.R
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
imag
mag
(n)
SDSS BEST i band PSF magnitude
(Note 2)
(
phot.mag;em.opt.I
)
(
PHOT_SDSS_I
)
e_imag
mag
Error in B-imag
(
stat.error;phot.mag;em.opt.I
)
(
ERROR
)
zmag
mag
(n)
SDSS BEST z band PSF magnitude
(Note 2)
(
phot.mag;em.opt.I
)
(
PHOT_SDSS_Z
)
e_zmag
mag
Error in B-zmag
(
stat.error;phot.mag;em.opt.I
)
(
ERROR
)
Au
mag
Galactic absorption in u band
(Note 3)
(
phys.absorption
)
(
PHOT_EXTINCTION_ISM
)
logHI
[cm-2]
Log of Galactic HI column density
(
phys.columnDensity;pos.galactic
)
(
PHYS_COLUMN_DENSITY
)
F20cm
mag
(n)
FIRST Peak flux density (ABmag) at 20cm
(Note 4)
(
phot.flux.density;em.radio.750-1500MHz
)
(
PHOT_FLUX_RADIO_1.4G
)
w_F20cm
The S/N ratio for FIRST flux
(
stat.weight
)
(
WEIGHT
)
sepR
arcsec
SDSS/FIRST separation
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
fRo
[0/1] FIRST flux at optical position but no FIRST source flag (1=detectable flux)
(
meta.code
)
(
CODE_MISC
)
fR1
[0/1] FIRST source 2-30" from optical position flag (1=source exists)
(
meta.code
)
(
CODE_MISC
)
logX
[ct/s]
(n)
RASS BSC/FSC full band count rate
(Note 5)
(
phot.count;em.X-ray
)
(
PHOT_COUNT-RATE_X
)
w_logX
The S/N ratio for RASS count rate
(
stat.weight
)
(
WEIGHT
)
ALL
cols
(n)
indicates a possible blank or NULL column
sepX
arcsec
SDSS/RASS separation
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
Jmag
mag
(n)
2MASS J band magnitude
(Note 6)
(
phot.mag;em.IR.J
)
(
PHOT_JHN_J
)
e_Jmag
mag
(n)
Error in Jmag
(
stat.error;phot.mag;em.IR.J
)
(
ERROR
)
Hmag
mag
(n)
2MASS H band magnitude
(Note 6)
(
phot.mag;em.IR.H
)
(
PHOT_JHN_H
)
e_Hmag
mag
(n)
Error in Hmag
(
stat.error;phot.mag;em.IR.H
)
(
ERROR
)
Kmag
mag
(n)
2MASS K band magnitude
(Note 6)
(
phot.mag;em.IR.K
)
(
PHOT_JHN_K
)
e_Kmag
mag
(n)
Error in Kmag
(
stat.error;phot.mag;em.IR.K
)
(
ERROR
)
sepH
arcsec
SDSS/2MASS separation
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
iMAG
mag
Absolute i band magnitude
(Note 7)
(
phys.magAbs
)
(
PHOT_ABS-MAG_BAND
)
D(g-i)
mag
(n)
Offset of quasar (g-i) from distribution (g-i) mode
(Note 8)
(
stat.fit.residual
)
(
FIT_RESIDUAL
)
Mph
[0/1] Morphology flag (1=extended source)
(
meta.code
)
(
CODE_MISC
)
S1
[0/1] SCIENCEPRIMARY flag (1=SCIENCEPRIMARY)
(
meta.code
)
(
CODE_MISC
)
mode
[0-3] SDSS MODE (blends, overlapping scans) flag
(Note 9)
(
meta.code.class
)
(
CLASS_CODE
)
ALL
cols
(n)
indicates a possible blank or NULL column
utf
[0/1] Uniform target selection flag
(Note 10)
(
meta.code
)
(
CODE_MISC
)
TflagB
BEST target selection flag
(
meta.code
)
(
CODE_MISC
)
Lz
[0/1] Low-z Quasar (color selection only) target flag (1=targeted as Low-z Quasar)
(
meta.code
)
(
CODE_MISC
)
Hz
[0/1] High-z Quasar (color selection only) target flag (1=targeted as High-z Quasar)
(
meta.code
)
(
CODE_MISC
)
fR
[0/1] FIRST target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
fX
[0/1] ROSAT target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
fS
[0/1] Serendipity target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
f*
[0/1] Star target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
fG
[0/1] Galaxy target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
run
SDSS Imaging Run Number for photometric measurements
(
meta.id
)
(
OBS_RUN
)
MJD-Im
d
Modified Julian Date of imaging observation
(
time.epoch
)
(
TIME_DATE
)
MJD-Sp
d
Modified Julian Date of spectroscopic observation
(
time.epoch
)
(
TIME_DATE
)
Pnum
Spectroscopic Plate Number
(
obs.field
)
(
ID_PLATE
)
ALL
cols
(n)
indicates a possible blank or NULL column
Fnum
Spectroscopic Fiber Number
(
meta.note
)
(
ID_FIBER
)
rerun
SDSS Photometric Processing Rerun Number
(
meta.id
)
(
ID_NUMBER
)
Cam
SDSS Camera Column Number
(
meta.id;instr
)
(
INST_ID
)
Frame
SDSS Frame Number
(
obs.field
)
(
ID_FRAME
)
Obj
SDSS Object Number
(
meta.id
)
(
ID_NUMBER
)
Tflag
TARGET target selection flag
(
meta.code
)
(
CODE_MISC
)
LzT
[0/1] Low-z Quasar (color selection only) target flag (1=targeted as Low-z Quasar)
(
meta.code
)
(
CODE_MISC
)
HzT
[0/1] High-z Quasar (color selection only) target flag (1=targeted as High-z Quasar)
(
meta.code
)
(
CODE_MISC
)
fRT
[0/1] FIRST target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
fXT
[0/1] ROSAT target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
fST
[0/1] Serendipity target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
f*T
[0/1] Star target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
fGT
[0/1] Galaxy target flag (1=targeted)
(
meta.code
)
(
CODE_MISC
)
ALL
cols
(n)
indicates a possible blank or NULL column
uPSF
mag
(n)
SDSS TARGET u band PSF magnitude
(Note 2)
(
phot.mag;em.opt.U
)
(
PHOT_SDSS_U
)
e_uPSF
mag
(n)
Error in T-umag
(
stat.error
)
(
ERROR
)
gPSF
mag
(n)
SDSS TARGET g band PSF magnitude
(Note 2)
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
e_gPSF
mag
(n)
Error in T-gmag
(
stat.error
)
(
ERROR
)
rPSF
mag
(n)
SDSS TARGET r band PSF magnitude
(Note 2)
(
phot.mag;em.opt.R
)
(
PHOT_SDSS_R
)
e_rPSF
mag
(n)
Error in T-rmag
(
stat.error
)
(
ERROR
)
iPSF
mag
(n)
SDSS TARGET i band PSF magnitude
(Note 2)
(
phot.mag;em.opt.I
)
(
PHOT_SDSS_I
)
e_iPSF
mag
(n)
Error in T-imag
(
stat.error
)
(
ERROR
)
zPSF
mag
(n)
SDSS TARGET z band PSF magnitude
(Note 2)
(
phot.mag;em.opt.I
)
(
PHOT_SDSS_Z
)
e_zPSF
mag
(n)
Error in T-zmag
(
stat.error
)
(
ERROR
)
SpOID
(char)
The 64-bit integer Spectroscopic Identification flag
(
meta.id
)
(
ID_NUMBER
)
Prev
(char)
Object Name if previously published
(Note 11)
(
meta.id
)
(
ID_ALTERNATIVE
)
BH
Display the black hole mass estimates from Shen et al. 2008, Cat.
J/ApJ/680/169
(
meta.ref.url
)
(
DATA_LINK
)
DR5
Display the detailed photometry from SDSS-DR5 (Cat.
II/276
)
(
meta.ref.url
)
(
DATA_LINK
)
2MASS
Display the 2MASS data
(
meta.ref.url
)
(
DATA_LINK
)
X
Display the X-ray sources closer than 1'
(
meta.ref.url
)
(
DATA_LINK
)
Radio
Display the radio sources closer than 1'
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
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