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J/ApJS/177/39
2166
Survey of low-redshift OVI absorbers (Tripp+, 2008)
ReadMe+ftp
2008ApJS..177...39T
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1.
J/ApJS/177/39/table7
*Column density ratios and temperature constraints of well-aligned components in intervening OVI absorbers
(Note)
(38 rows)
meta
J/ApJS/177/39/table7
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)
Target QSO name
(
meta.id.parent
)
(
ID_PARENT
)
zabs
Absorption system redshift
(
meta.id;meta.main
)
(
ID_MAIN
)
Vel
km/s
Velocity of the particular component
(Note 1)
(
phys.veloc
)
(
VELOC_MISC
)
l_logTb
(char)
Limit flag on logTb
(
meta.code.error
)
(
CODE_LIMIT
)
logTb
[K]
Temperature upper limit, OVI only
(Note 2)
(
phys.temperature
)
(
PHYS_TEMP_MISC
)
l_logT
(char)
Limit flag on logT
(
meta.code.error
)
(
CODE_LIMIT
)
logT
[K]
3σ upper limit on T, OVI only
(Note 3)
(
phys.temperature
)
(
PHYS_TEMP_MISC
)
logTb2
[K]
(n)
Best measurement of the gas temperature, HI+OVI
(Note 4)
(
phys.temperature
)
(
PHYS_TEMP_MISC
)
l_logT2
(char)
Limit flag on logT2
(
meta.code.error
)
(
CODE_LIMIT
)
logT2
[K]
(n)
3σ upper limit on the temperature, HI+OVI
(Note 5)
(
phys.temperature
)
(
PHYS_TEMP_MISC
)
b
km/s
(n)
Nonthermal broadening component corresponding to logTb2
(
phys.veloc
)
(
VELOC_MISC
)
logN(H/O)
[-]
Log of the HI/OVI column-density ratio
(
phys.density;arith.ratio
)
(
PHYS_DENSITY_RATIO
)
l_logN(C/O)
(char)
Limit flag on logNC/O
(
meta.code.error
)
(
CODE_LIMIT
)
logN(C/O)
[-]
(n)
Log of the CIII/OVI column-density ratio
(
phys.density;arith.ratio
)
(
PHYS_DENSITY_RATIO
)
Class
(char)
Absorber classification
(Note 6)
(
src.class
)
(
CLASS_MISC
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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