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J/MNRAS/521/289
-1
XQR-30 quasars absorption systems properties (Davies+, 2023)
ReadMe+ftp
2023MNRAS.521..289D
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1.
J/MNRAS/521/289/xqr30abs
The full metal absorber catalog containing systems propertie for the 42 quasars sample
(5512 rows)
meta
J/MNRAS/521/289/xqr30abs
Simple Constraint
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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
)
QSO
(char)
Quasar name identifier (QsoID)
(
meta.id.part;meta.main
)
(
ID_MAIN:1
)
SystID
(n)
System identifier number as described in sect. 3.7 components are grouped into systems following a method similar to that described in D'Odorico et al. (
2022MNRAS.512.2389D
) (SystemID)
(Note 1)
(
meta.id.part;meta.main
)
(
ID_MAIN:2
)
CompID
(char)
Absorption component whcih are grouped into system, CompID consisting of a system number and a component label (ComponentID)
(Note 2)
(
meta.id.part;meta.main
)
(
ID_MAIN:3
)
z
Optical-depth-weighted mean redshift systems or Voigt profile redshift components (z)
(Note 3)
(
src.redshift
)
(
REDSHIFT_HC
)
El
(char)
Ion or species with the associated transition wavelength in nm (Species)
(
phys.atmol.element
)
(
AT_SPECIES
)
EW
0.1nm
(n)
Rest frame equivalent width measurement (W)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EW
0.1nm
(n)
Error of EW (dW)
(
stat.error;spect.line.eqWidth
)
(
ERROR
)
f_EW
(char)
Flag reported for each transition in each system (W_flag)
(Note 4)
(
meta.code
)
(
CODE_MISC
)
logN
[cm-2]
(n)
Column density measurement (logN)
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
e_logN
[cm-2]
(n)
Error of logN (dlogN)
(
stat.error
)
(
ERROR
)
f_logN
(char)
Flag reported for both systems and individual components (logN_flag)
(Note 5)
(
meta.code
)
(
CODE_MISC
)
dv90
km/s
(n)
The velocity interval enclosing 90 per cent of the absorption optical depth as in sect. 3.8 defined in Prochaska & Wolfe (
1997ApJ...487...73P
) (v90)
(
spect.line.width
)
(
SPECT_VELOC_WIDTH
)
b
km/s
(n)
The b Doppler parameter measurement of the absorption (b)
(
phys.absorption
)
(
SPECT_DOPPLER-PAR
)
e_b
km/s
(n)
Error of b parameter (db) ?
(
stat.error
)
(
ERROR
)
Samp
(char)
Flag of the sample constructed as string flag of Y or N answer to 4 questions (SampleFlags)
(Note 6)
(
meta.code
)
(
CODE_MISC
)
Prim
(char)
Flag indicating whether the system is part of the primary sample as discussed in section 6.2 (PrimarySample)
(
meta.code
)
(
CODE_MISC
)
PorI
(char)
Flag indicating whether the absorption system is proximate P or intervening I (ProximateOrIntervening)
(Note 7)
(
meta.code
)
(
CODE_MISC
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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