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J/AJ/131/1
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J/AJ/131/1
..binqso
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Distance ρ
Position angle θ
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J2000
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Ecl. J2000
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J2000
B1975
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J/AJ/131/1
1204
Binary quasars in the SDSS (Hennawi+, 2006)
ReadMe+ftp
2006AJ....131....1H
Similar Catalogs
Post annotation
1.
J/AJ/131/1/binqso
Binary or projected pairs of qyasars, or quasar-star pairs
(tables 2, 3, 4, 8, 9 and 10 of paper)
(890 rows)
Simple Constraint
List Of Constraints
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Constraints
applied on Columns
(
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+
-
)
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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
)
n_Name1
(char)
2
for binary quasars with 3"<Δθ<60",
3
for binary quasars with Δθ<3",
4
for binary quasars in overlapping plates;
8
and
9
for projected pairs of quasars;
s
for QSO-star pair
(
meta.id;meta.dataset
)
(
ID_TABLE
)
Name1
(char)
Quasar A name
(Note 1)
(
meta.id;meta.main
)
(
ID_MAIN
)
Name2
(char)
Quasar B name
(Note 1)
(
meta.id.assoc
)
(
ID_ASSOCIATED
)
z1
Quasar A redshift
(
src.redshift
)
(
REDSHIFT_HC
)
z2
(n)
Quasar B redshift
(
src.redshift
)
(
REDSHIFT_HC
)
theta
arcsec
Angular separation
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
dV
km/s
(n)
Velocity of quasar B relative to A
(
phys.veloc;arith.diff
)
(
VELOC_RELAT
)
r
kpc
(n)
Transverse proper separation in h
–1
kpc
(
pos.pm
)
(
ORBIT_DISTANCE
)
chi2
Color similarity statistic value
(
stat.fit.chi2
)
(
FIT_CHI2
)
RA1
"h:m:s"
Hour of Quasar A Right Ascension (J2000)
(
pos.eq.ra
)
(
POS_EQ_RA_MAIN
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
DE1
"d:m:s"
Degree of Quasar A Declination (J2000)
(
pos.eq.dec
)
(
POS_EQ_DEC_MAIN
)
umag1
mag
The Quasar A SDSS u band PSF magnitude
(Note 2)
(
phot.mag;em.opt.U
)
(
PHOT_DIFF_MAG
)
gmag1
mag
The Quasar A SDSS g band PSF magnitude
(Note 2)
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
rmag1
mag
The Quasar A SDSS r band PSF magnitude
(Note 2)
(
phot.mag;em.opt.R
)
(
PHOT_SDSS_R
)
imag1
mag
The Quasar A SDSS i band PSF magnitude
(Note 2)
(
phot.mag;em.opt.I
)
(
PHOT_SDSS_I
)
zmag1
mag
The Quasar A SDSS z band PSF magnitude
(Note 2)
(
phot.mag;em.opt.I
)
(
PHOT_SDSS_Z
)
RA2
"h:m:s"
Hour of Quasar B Right Ascension (J2000)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
DE2
"d:m:s"
Degree of Quasar B Declination (J2000)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
umag2
mag
The Quasar B SDSS u band PSF magnitude
(Note 2)
(
phot.mag;em.opt.U
)
(
PHOT_DIFF_MAG
)
gmag2
mag
The Quasar B SDSS g band PSF magnitude
(Note 2)
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
rmag2
mag
The Quasar B SDSS r band PSF magnitude
(Note 2)
(
phot.mag;em.opt.R
)
(
PHOT_SDSS_R
)
imag2
mag
The Quasar B SDSS i band PSF magnitude
(Note 2)
(
phot.mag;em.opt.I
)
(
PHOT_SDSS_I
)
zmag2
mag
The Quasar B SDSS z band PSF magnitude
(Note 2)
(
phot.mag;em.opt.I
)
(
PHOT_SDSS_Z
)
Sample
(char)
Selection algorithm used to find the binary
(
meta.note
)
(
REDUCT_METHOD
)
SDSS
Details from
SDSS-DR6
(Cat.
II/282
)
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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