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J/MNRAS/372/425
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J/MNRAS/372/425
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Distance ρ
Position angle θ
Distance (x,y)
Galactic
J2000
B1950
Ecl. J2000
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J2000
B1975
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B1875
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J/MNRAS/372/425
716
2dF-SDSS Luminous Red Galaxy Survey, 2SLAQ (Cannon+, 2006)
ReadMe+ftp
2006MNRAS.372..425C
Similar Catalogs
This catalogue is obsoleted by
J/MNRAS/392/19
Post annotation
1.
J/MNRAS/372/425/catalog
The 2SLAQ redshift catalogue
(14978 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
)
2SLAQ
(char)
Object name, (JHHMMSS.ss+DDMMSS.s)
(
meta.id;meta.main
)
(
ID_MAIN
)
RAJ2000
"h:m:s"
(i)
Right ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
"d:m:s"
(i)
Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
Rmag
mag
Expected r-band fibre magnitude
(Note 1)
(
phot.mag;em.opt.R
)
(
PHOT_COUS_R
)
tSp
Template spectrum used for best cross-correlation redshift
(Note 2)
(
meta.code
)
(
CODE_MISC
)
xcor
Cross-correlation (rx) parameter
(Note 3)
(
stat.snr
)
(
SPECT_S/N
)
zabs
Absorption line redshift from best cross-correlation
(
src.redshift
)
(
REDSHIFT_HC
)
q_zabs
Quality of auto redshift assessed by Zcode, after checking for emission lines
(Note 4)
(
meta.code.qual
)
(
CODE_QUALITY
)
q_xcor
[0/4] Quality of automatic xcorr redshift, as estimated by Zcode. (4 is best, 0 is useless)
(
meta.code.qual
)
(
CODE_QUALITY
)
z
Redshift finally adopted (= zabs unless manually modified)
(
src.redshift
)
(
REDSHIFT_HC
)
ALL
cols
(i)
indexed column
q_z
Redshift quality adopted (= q_zabs unless manually modified by observer)
(Note 5)
(
meta.code.qual;src.redshift
)
(
CODE_QUALITY
)
f_z
[0/3] A flag indicating manual intervention
(Note 6)
(
meta.code
)
(
CODE_MISC
)
Field
(char)
2dF field number. Format LNN, where L is a letter a-e for northern (Galactic) fields and L=s for the southern strip
(
meta.id;obs.field
)
(
ID_FIELD
)
Fiber
2dF fibre number
(Note 7)
(
meta.note
)
(
ID_FIBER
)
Date
(char)
6-character identifier for the 2dF data set from which the spectrum was taken "DDMMYY"
(Note 8)
(
time.epoch
)
(
TIME_EPOCH
)
CCD
[2] Identifier of CCD and 2dF spectrograph. Always 2 for LRGs (spectrograph 1 was used for the QSOs)
(
meta.id
)
(
INST_ID
)
2dF
[0/1] Field plate identifier
(
obs.field
)
(
ID_PLATE
)
Xpos
um
X position of object within 2dF field, in microns from the centre of the plate
(Note 9)
(
pos.cartesian.x;obs.field
)
(
POS_PLATE_X
)
Ypos
um
Y position of object within 2dF field, in microns from the centre of the plate
(Note 9)
(
pos.cartesian.y;obs.field
)
(
POS_PLATE_Y
)
S/N
Average signal-to-noise ratio of spectrum
(Note 10)
(
stat.snr;stat.mean
)
(
INST_S/N
)
xpmag
mag
(n)
Magnitude derived from spectrum
(Note 11)
(
phot.mag;em.opt.R
)
(
PHOT_MAG_R
)
Vmag
mag
(n)
Spectral magnitude from counts over range 515-595nm, approximately the V photometric band (starting at 523nm for March 2003 data).
(
phot.mag;em.opt.V
)
(
PHOT_MAG_V
)
rmag
mag
(n)
Spectral magnitude over range 595-680nm, i.e. ∼ r-band.
(
phot.mag;em.opt.R
)
(
PHOT_SDSS_R
)
Pry
Priority flag
(Note 13)
(
meta.code
)
(
CODE_MISC
)
i(dev)
mag
SDSS extinction-corrected i-band 'de Vaucouleurs' magnitude
(Note 14)
(
phot.mag;em.opt.I
)
(
PHOT_MAG_I
)
g-r
mag
SDSS reddening-corrected (g-r) 'ModelMag' colour index
(Note 14)
(
phot.color;em.opt.B;em.opt.R
)
(
PHOT_SDSS_G-R
)
r-i
mag
SDSS reddening-corrected (r-i) 'ModelMag' colour index
(Note 14)
(
phot.color;em.opt.R;em.opt.I
)
(
PHOT_SDSS_R-I
)
Ar
mag
SDSS absorption in the r-band
(Note 14)
(
phys.absorption
)
(
PHOT_EXTINCTION_INT
)
PryO
(n)
Original 2SLAQ priority number
(
meta.code
)
(
CODE_MISC
)
NameOri
(char)
Original 2SLAQ 18-character object name used in 2003, blank for later data
(Note 15)
(
meta.id
)
(
ID_ALTERNATIVE
)
Com
(char)
Comments. Mostly copied from Zcode output. Most often blank
(
meta.note
)
(
REMARKS
)
SDSSdata
Display the SDSS data for this galaxy
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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