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J/ApJS/235/11
37759
Absorption features in SDSS. I. MgII abs. doublets (Chen+, 2018)
ReadMe+ftp
2018ApJS..235...11C
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spectrum
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1.
J/ApJS/235/11/table2
Catalog of MgII absorption systems
(17316 rows)
meta
J/ApJS/235/11/table2
Simple Constraint
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Constraint
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(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
SDSS
(char)
SDSS identifier (JHHMMSS.ss+DDMMSS.s) (G1)
(Note)
(
meta.id;meta.main
)
(
ID_MAIN
)
Plate
SDSS plate number
(
meta.id;instr.plate
)
(
ID_PLATE
)
MJD
d
[51608/56837] Modified Julian Date of the observation
(
time.epoch
)
(
TIME_DATE
)
Fiber
SDSS fiber number
(
meta.id
)
(
ID_FIBER
)
zem
[0.3/2.6] Spectroscopic emission line derived redshift
(
src.redshift
)
(
REDSHIFT_HC
)
zabs
[0.3/2.6] Spectroscopic absorption line derived redshift
(
src.redshift
)
(
REDSHIFT_HC
)
W2796
0.1nm
[0.2/8.3] Equivalent width of MgII 2796Å line
(Note 1)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_W2796
0.1nm
[0.02/1.7] Uncertainty in W2796
(Note 1)
(
stat.error
)
(
ERROR
)
W2803
0.1nm
[0.2/7.5] Equivalent width of MgII 2803Å line
(Note 1)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_W2803
0.1nm
[0.02/1.4] Uncertainty in W2803
(Note 1)
(
stat.error
)
(
ERROR
)
RV
km/s
[-10447/11652] Radial velocity
(
phys.veloc;pos.heliocentric
)
(
VELOC_HC
)
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indexed column
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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