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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/658/99
2500
Pairs of QSO in SDSS-DR4 (Myers+, 2007)
ReadMe+ftp
2007ApJ...658...99M
Similar Catalogs
Post annotation
1.
J/ApJ/658/99/table1
Quasar pairs in the DR4 KDE catalog with separations <0.1'
(111 rows)
meta
J/ApJ/658/99/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
)
SDSS1
(char)
First component of Quasar pair name, JHHMMSS.ss+DDMMSS.s
(
meta.id;meta.main
)
(
ID_MAIN
)
RAJ2000
"h:m:s"
(i)
Pair1 Hour of Right Ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
"d:m:s"
(i)
Pair1 Degree of Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
umag1
Pair1 SDSS u band magnitude
(Note 1)
(
phot.mag;em.opt.U
)
(
PHOT_SDSS_U
)
gmag1
Pair1 SDSS g band magnitude
(Note 1)
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
zph1l
Pair1 photometric redshift range minimum
(
src.redshift.phot
)
(
REDSHIFT_PHOT
)
zph1m
Pair1 photometric redshift range midpoint
(
src.redshift.phot
)
(
REDSHIFT_PHOT
)
zph1u
Pair1 photometric redshift range maximum
(
src.redshift.phot
)
(
REDSHIFT_PHOT
)
zsp1
(n)
Pair1 spectroscopic redshift
(
src.redshift
)
(
REDSHIFT_HC
)
f_zsp1
(char)
Flag on zspec1
(Note 2)
(
meta.code
)
(
CODE_MISC
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
zsp1b
(n)
Second Pair1 spectroscopic redshift
(
src.redshift
)
(
REDSHIFT_HC
)
r_zsp1b
(char)
[b] Reference for zspecb
(Note 3)
(
meta.ref;pos.frame
)
(
REFER_CODE
)
SDSS2
(char)
Second component of Quasar pair name, JHHMMSS.ss+DDMMSS.s
(
meta.id.assoc
)
(
ID_ASSOCIATED
)
RA2
"h:m:s"
Pair2 Hour of Right Ascension (J2000)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
DE2
"d:m:s"
Pair2 Degree of Declination (J2000)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
umag2
Pair2 SDSS u band magnitude
(Note 1)
(
phot.mag;em.opt.U
)
(
PHOT_SDSS_U
)
gmag2
Pair2 SDSS g band magnitude
(Note 1)
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
zph2l
Pair2 photometric redshift range minimum
(
src.redshift.phot
)
(
REDSHIFT_PHOT
)
zph2m
Pair2 photometric redshift range midpoint
(
src.redshift.phot
)
(
REDSHIFT_PHOT
)
zph2u
Pair2 photometric redshift range maximum
(
src.redshift.phot
)
(
REDSHIFT_PHOT
)
zsp2
(n)
Pair2 spectroscopic redshift
(
src.redshift
)
(
REDSHIFT_HC
)
n_zsp2
(char)
Note about Pair2
(Note 2)
(
meta.note
)
(
NOTE
)
zsp2b
(n)
Pair2 alternative spectroscopic redshift
(
src.redshift
)
(
REDSHIFT_HC
)
r_zsp2b
(char)
[b] Reference for zspec2b
(Note 3)
(
meta.ref;pos.frame
)
(
REFER_CODE
)
Delta
arcsec
Angular separation of Quasar pair
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
f_Delta
(char)
[*] Objects in high absorption regions (Ag>21) have a higher probability of being stars.
(
meta.code
)
(
CODE_MISC
)
SDSS
Display the SDSS data for the pair (from SDSS-DR6)
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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