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Simple Target
List Of Targets
Fast Xmatch with large catalogs or Simbad
Target
Name (resolved by
Sesame
) or
Position
:
J2000
B1975
B1950
B1900
B1875
B1855
Galactic
Supergal.
Ecl.J2000
Target dimension:
deg
arcmin
arcsec
NB: The epoch used for the query is the original epoch of the table(s)
Radius
Box size
J/MNRAS/400/1493
1273
QSOs Lyman alpha emission line spectra (Kramer+, 2009)
ReadMe+ftp
2009MNRAS.400.1493K
Similar Catalogs
Post annotation
1.
J/MNRAS/400/1493/table1
(c)
HST (FOS and GHRS) quasar Lyman-α emission line spectra
(120 rows)
meta
J/MNRAS/400/1493/table1
2.
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
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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Column
Constraint
Explain
(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(1)
Fit
(char)
F
indicates that best-fit spectral parameters are computed
(
meta.ref.url
)
(
DATA_LINK
)
(ALL)
Name
(char)
(i)
Name from NED
(Note G1)
(
meta.id;meta.main
)
(
ID_MAIN
)
(1)
z
Redshift from NED
(
src.redshift
)
(
REDSHIFT_HC
)
(ALL)
Inst
(char)
HST instrument
(
instr
)
(
INST_ID
)
(ALL)
Ap
(char)
Aperture
(
phys.angSize;instr.fov
)
(
INST_APERT
)
(ALL)
Grat
(char)
Grating
(
meta.note
)
(
INST_SPECT_CODE
)
(1)
S/N
Mean signal-to-noise ratio
(
stat.snr;stat.mean
)
(
INST_S/N
)
(1)
Com
(char)
Comments on spectra and fits
(
meta.note;meta.fits
)
(
REMARKS
)
(1)
SimbadName
(char)
Designation understandable by the
Simbad
data-base
(
meta.id
)
(
ID_ALTERNATIVE
)
(1)
NED
(char)
ask the
NED
data-base about this object
(
DATA_LINK
)
ALL
cols
(i)
indexed column
(1)
_RA
deg
(i)
Position, from NED database (right ascension part)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(1)
_DE
deg
(i)
Position, from NED database (declination part)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(2)
Ly
(char)
f
ull- or
R
ed-side of the Lyman-α line
(
meta.note
)
(
NOTE
)
(2)
sigLa0
0.1nm
Width of narrow Lyman-alpha component
(Note 1)
(
spect.line.width
)
(
SPECT_LINE_WIDTH
)
(2)
aLa0
Amplitude of La0, normalized by the continuum flux ap
(
phot.flux;arith.ratio
)
(
SPECT_FLUX_NORM
)
(2)
vLa0
km/s
Shift of La0 component center from the nominal wavelength
(Note 2)
(
stat.fit.param
)
(
SPECT_LINE_CENT
)
(2)
sigLa1
0.1nm
Width of broad Lyman-alpha component
(Note 1)
(
spect.line.width
)
(
SPECT_LINE_WIDTH
)
(2)
aLa1
Amplitude of La1, normalized by the continuum flux ap
(
phot.flux;arith.ratio
)
(
SPECT_FLUX_NORM
)
(2)
vLa1
km/s
Shift of La1 component center from the nominal wavelength
(Note 2)
(
stat.fit.param
)
(
SPECT_LINE_CENT
)
(2)
sigNV
0.1nm
Width of NV line
(Note 1)
(
spect.line.width
)
(
SPECT_LINE_WIDTH
)
(2)
aNV
Amplitude of NV line, normalized by the continuum flux ap
(
phot.flux;arith.ratio
)
(
SPECT_FLUX_NORM
)
(2)
vNV
km/s
Shift of NV line center from the nominal wavelength
(Note 2)
(
stat.fit.param
)
(
SPECT_LINE_CENT
)
(2)
p
Continuum power law index
(
spect.index
)
(
SPECT_SP+INDEX
)
ALL
cols
(i)
indexed column
(2)
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
)
(2)
x2/nup
Reduced χ
2
for the line-profile fit
(
meta.note
)
(
SPECT_LINE_DEPTH_VALUE
)
(2)
x2/nuc
Reduced χ
2
for the continuum
(
meta.note
)
(
SPECT_LINE_DEPTH_VALUE
)
(2)
nup
Number of degrees of freedom for line-profile fit
(
meta.number
)
(
STAT_N-DOF
)
(2)
nuc
Number of degrees of freedom for continuum
(
meta.number
)
(
STAT_N-DOF
)
ALL
cols
(i)
indexed column
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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