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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/857/126
-1
Quasars Probing Quasars. IX. (QPQ9) (Lau+, 2018)
ReadMe+ftp
2018ApJ...857..126L
Similar Catalogs
Post annotation
1.
J/ApJ/857/126/table1
Properties of the projected quasar pairs in the QPQ9 sample
(148 rows)
meta
J/ApJ/857/126/table1
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
)
QSOfg
(char)
Foreground quasar designation (JHHMMSS.ss+DDMMSS.s)
(
meta.id;meta.main
)
(
ID_MAIN
)
zfg
[1.6/3.82] Foreground redshift
(
src.redshift;pos.heliocentric
)
(
REDSHIFT_HC
)
n_zfg
(char)
The emission line analyzed for measuring z
fg
(
meta.note
)
(
NOTE
)
QSObg
(char)
Background quasar designation (JHHMMSS.ss+DDMMSS.s)
(
meta.id.assoc
)
(
ID_ASSOCIATED
)
zbg
[1.64/4.2] Background redshift
(
src.redshift;pos.heliocentric
)
(
REDSHIFT_HC
)
Telzbg
(char)
Background quasar instrument
(
meta.id;instr
)
(
INST_ID
)
Sep
kpc
[32/299] Projected separation at the foreground quasar's redshift
(
pos.angDistance
)
(
PHYS_SEPARATION
)
gUV
[60/34208] The enhancement in the UV flux relative to the extragalactic UV background, g
UV
(
phot.flux;em.UV
)
(
PHOT_FLUX_UV
)
QPQ6
(n)
Display data from QPQ6 (Prochaska+ 2013,
J/ApJ/776/136
)
(
meta.ref.url
)
(
DATA_LINK
)
Sloan
Display the online SDSS-DR17 data for the nearest object of the foreground quasar
(
meta.ref.url
)
(
DATA_LINK
)
SimbadName
(char)
(n)
Designation understandable by the
Simbad
data-base
(
meta.id
)
(
ID_ALTERNATIVE
)
_RA
deg
(i)
Positions from foreground quasar names (right ascension part)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DE
deg
(i)
Positions from foreground quasar names (declination part)
(
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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