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J/MNRAS/400/1493
1273
QSOs Lyman alpha emission line spectra (Kramer+, 2009)
ReadMe+ftp
2009MNRAS.400.1493K
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1.
J/MNRAS/400/1493/sp_fit
Best-fit spectral parameters from fits to the full- (table3) or red side- (table4) of the Lyman-α line
(172 rows)
meta
J/MNRAS/400/1493/sp_fit
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Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Ly
(char)
f
ull- or
R
ed-side of the Lyman-α line
(
meta.note
)
(
NOTE
)
Name
(char)
Name from NED
(Note G1)
(
meta.id;meta.main
)
(
ID_MAIN
)
Inst
(char)
HST Instrument
(
instr
)
(
INST_ID
)
Grat
(char)
Grating
(
meta.note
)
(
INST_SPECT_CODE
)
Ap
(char)
Aperture used to take the spectrum
(
phys.angSize;instr.fov
)
(
INST_APERT
)
sigLa0
0.1nm
Width of narrow Lyman-alpha component
(Note 1)
(
spect.line.width
)
(
SPECT_LINE_WIDTH
)
aLa0
Amplitude of La0, normalized by the continuum flux ap
(
phot.flux;arith.ratio
)
(
SPECT_FLUX_NORM
)
vLa0
km/s
Shift of La0 component center from the nominal wavelength
(Note 2)
(
stat.fit.param
)
(
SPECT_LINE_CENT
)
sigLa1
0.1nm
Width of broad Lyman-alpha component
(Note 1)
(
spect.line.width
)
(
SPECT_LINE_WIDTH
)
aLa1
Amplitude of La1, normalized by the continuum flux ap
(
phot.flux;arith.ratio
)
(
SPECT_FLUX_NORM
)
ALL
cols
(i)
indexed column
vLa1
km/s
Shift of La1 component center from the nominal wavelength
(Note 2)
(
stat.fit.param
)
(
SPECT_LINE_CENT
)
sigNV
0.1nm
Width of NV line
(Note 1)
(
spect.line.width
)
(
SPECT_LINE_WIDTH
)
aNV
Amplitude of NV line, normalized by the continuum flux ap
(
phot.flux;arith.ratio
)
(
SPECT_FLUX_NORM
)
vNV
km/s
Shift of NV line center from the nominal wavelength
(Note 2)
(
stat.fit.param
)
(
SPECT_LINE_CENT
)
p
Continuum power law index
(
spect.index
)
(
SPECT_SP+INDEX
)
ap
10-17W/m2/nm
Continuum flux at the nominal Lyman-alpha central wavelength (10
–15
erg/cm
2
/s/Å)
(
phot.flux.density;arith.ratio
)
(
SPECT_LINE_DEPTH_VALUE
)
x2/nup
Reduced χ
2
for the line-profile fit
(
meta.note
)
(
SPECT_LINE_DEPTH_VALUE
)
x2/nuc
Reduced χ
2
for the continuum
(
meta.note
)
(
SPECT_LINE_DEPTH_VALUE
)
nup
Number of degrees of freedom for line-profile fit
(
meta.number
)
(
STAT_N-DOF
)
nuc
Number of degrees of freedom for continuum
(
meta.number
)
(
STAT_N-DOF
)
ALL
cols
(i)
indexed column
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