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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/A+A/655/A109
-1
Chandra view of the LX-LUV relation in quasars (Bisogni+, 2021)
ReadMe+ftp
2021A&A...655A.109B
Similar Catalogs
Post annotation
1.
J/A+A/655/A109/table2
Properties of the 3430 X-ray observations
(3430 rows)
meta
J/A+A/655/A109/table2
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Name
(char)
Quasar name in DR14, HHMMSS.ss+DDMMSS.s
(
meta.id;meta.main
)
(
ID_MAIN
)
z
Redshift
(
src.redshift
)
(
REDSHIFT_HC
)
ObsId
Chandra Observation Identifier
(
meta.id;obs.param;obs
)
(
OBS_ID
)
theta
[arcmin]
Off-axis angle of source in X-ray observation
(
obs.param;obs
)
(
INST_ANG_OFFAXIS
)
ExpTime
[s]
Exposure time of X-ray obs.
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
DRflag
(char)
Number of SDSS Data Release, DR7, DR12 or DR14
(
meta.code
)
(
CODE_MISC
)
logF2500A
[mW/m2/Hz]
Rest-frame fluxes at 2500 Angstroem
(Note 1)
(
phot.flux;em.UV
)
(
PHOT_FLUX_UV
)
e_logF2500A
[mW/m2/Hz]
Error on rest-frame fluxes at 2500Å
(
stat.error
)
(
ERROR
)
logF2keV
[mW/m2/Hz]
Rest-frame fluxes at 2keV
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
e_logF2keV
[mW/m2/Hz]
Lower error on fluxes at 2keV
(
stat.error
)
(
ERROR
)
ALL
cols
(i)
indexed column
E_logF2keV
[mW/m2/Hz]
Upper error on fluxes at 2keV
(
stat.error;stat.max
)
(
ERROR
)
Gamma
Photon index
(
meta.code;spect.index
)
(
SPECT_SP-INDEX
)
e_Gamma
Lower error on photon index
(
stat.error
)
(
ERROR
)
E_Gamma
Upper error on photon index
(
stat.error;stat.max
)
(
ERROR
)
logF2keVlim
(n)
Rest-frame 2keV flux limit per observation
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
n_logF2keVlim
(char)
[I] I for -Infinity
(
meta.note
)
(
NOTE
)
Cts
Raw counts in soft band (0.5-2keV)
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
Cth
Raw counts in hard band (2-7keV)
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
SNs
SN in the soft band (0.5-2keV)
(
stat.snr
)
(
SPECT_S/N
)
SNh
(n)
SN in hard band (2-7keV)
(
stat.snr
)
(
SPECT_S/N
)
SimbadName
(char)
(n)
Designation understandable by the
Simbad
data-base
(
meta.id
)
(
ID_ALTERNATIVE
)
_RA
deg
(i)
Right Ascension (J2000) from SIMBAD (not part of the original data)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_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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UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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