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Simple Target
List Of Targets
Fast Xmatch with large catalogs or Simbad
Target
Name (resolved by
Sesame
) or
Position
:
J2000
B1975
B1950
B1900
B1875
B1855
Galactic
Supergal.
Ecl.J2000
Target dimension:
deg
arcmin
arcsec
NB: The epoch used for the query is the original epoch of the table(s)
Radius
Box size
J/ApJ/657/116
2701
X-ray and UV parameters of radio-quiet quasars (Kelly+, 2007)
ReadMe+ftp
2007ApJ...657..116K
Similar Catalogs
Post annotation
1.
J/ApJ/657/116/table2
(c)
List of Archival Sources
(204 rows)
meta
J/ApJ/657/116/table2
2.
J/ApJ/657/116/table4
(c)
X-ray and UV Parameters
(174 rows)
meta
J/ApJ/657/116/table4
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on
off
Radius:
arcsec
Master table:
all - matching rows only
J/ApJ/657/116/table2
J/ApJ/657/116/table4
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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Column
Constraint
Explain
(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(ALL)
Name
(char)
Source identification (HHMM+DDMM, J2000, QSO JHHMM+DDMM in Simbad)
(
meta.id;meta.main
)
(
ID_MAIN
)
(1)
RAJ2000
"h:m:s"
(i)
Hour of Right Ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(1)
DEJ2000
"d:m:s"
(i)
Degree of Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(ALL)
z
Redshift
(
src.redshift
)
(
REDSHIFT_HC
)
(1)
r_z
Observed frame optical spectrum reference
(Note 3)
(
meta.ref;pos.frame
)
(
REFER_CODE
)
(1)
rmag
mag
The r-band apparent magnitude
(
phot.mag;em.opt.R
)
(
PHOT_SDSS_R
)
(1)
r_rmag
Reference for rmag
(Note 3)
(
meta.ref;pos.frame
)
(
REFER_CODE
)
(1)
OBSID
Observation identification number
(
meta.id;obs
)
(
OBS_ID
)
(1)
theta
arcmin
Off-axis angle
(
instr.offset
)
(
INST_ANG_OFFAXIS
)
(1)
Cts
ct
Number of observed background-subtracted 0.3-7.0keV source counts
(Note 1)
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
ALL
cols
(i)
indexed column
(1)
ExpTime
ks
Exposure time
(Note 1)
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
(1)
l_FX
(char)
Limit flag on FX
(
meta.code.error
)
(
CODE_LIMIT
)
(1)
FX
10-17W/m2
Unabsorbed 2-10 keV flux
(Note 2)
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
(1)
e_FX
10-17W/m2
(n)
Uncertainty in FX
(Note 2)
(
stat.error
)
(
ERROR
)
(ALL)
SimbadName
(char)
Designation understandable by the
Simbad
data-base
(
meta.id
)
(
ID_ALTERNATIVE
)
(2)
New
(char)
[e] e: One of seven new Chandra observations
(
meta.code
)
(
CODE_MISC
)
(2)
NH
10+20cm-2
Galactic Hydrogen column density
(Note 1)
(
phys.columnDensity;pos.galactic
)
(
PHYS_COLUMN_DENSITY
)
(2)
l_n0
(char)
Limit flag on n0
(
meta.code.error
)
(
CODE_LIMIT
)
(2)
n0
10-6cm-2/s/keV
Normalization value at 1keV
(Note 2)
(
stat.fit.param
)
(
FIT_PARAM_VALUE
)
(2)
E_n0
10-6cm-2/s/keV
(n)
Upper 1σ error in n0
(
stat.error;stat.max
)
(
ERROR
)
(2)
e_n0
10-6cm-2/s/keV
(n)
Lower 1σ error in n0
(
stat.error
)
(
ERROR
)
(2)
Gamma
(n)
Photon index
(Note 3)
(
meta.code;spect.index
)
(
SPECT_SP-INDEX
)
(2)
E_Gamma
(n)
Upper 1σ error in Gamma
(
stat.error;stat.max
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(2)
e_Gamma
(n)
Lower 1σ error in Gamma
(
stat.error
)
(
ERROR
)
(2)
logL2500
10-7W
Log of the 2500Å luminosity
(Note 4)
(
phys.luminosity
)
(
SPECT_LUMINOSITY
)
(2)
l_logL2keV
(char)
Limit flag on logL2keV
(
meta.code.error
)
(
CODE_LIMIT
)
(2)
logL2keV
10-7W
Log of the 2keV luminosity
(Note 4)
(
phys.luminosity;em.X-ray
)
(
PHYS_LUMINOSITY_X
)
(2)
l_a-ox
(char)
Limit flag on a-ox
(
meta.code.error
)
(
CODE_LIMIT
)
(2)
a-ox
The X-ray to UV/optical flux ratio
(
phot.flux;arith.ratio
)
(
SPECT_FLUX_RATIO
)
(2)
a-UV
(n)
The UV spectral slope
(Note 5)
(
spect.index
)
(
SPECT_SP-INDEX
)
(2)
_RA
deg
(i)
Right Ascension (J2000) from SIMBAD (not part of the original data)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(2)
_DE
deg
(i)
Declination (J2000) from SIMBAD (not part of the original data)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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