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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/491/2057
-1
MAGG I Near pristine gas cloud at z∼3.5 (Lofthouse+, 2020)
ReadMe+ftp
2020MNRAS.491.2057L
Similar Catalogs
Post annotation
1.
J/MNRAS/491/2057/table2
Summary of the archival quasar spectroscopy used in this survey
(62 rows)
meta
J/MNRAS/491/2057/table2
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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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
)
Name
(char)
Quasar name (JHHMMSS.ss+DDMMSS.s)
(
meta.id;meta.main
)
(
ID_MAIN
)
Inst
(char)
Instrument name
(
meta.id;instr
)
(
INST_ID
)
Resol
(char)
Spectral resolution (range is used if dependent on instrument arm)
(
spect.resolution
)
(
INST_ANG_RESOL
)
lambdamin
0.1nm
Wavelength range covered by the spectrum (minimum value)
(
instr.bandwidth
)
(
INST_WAVELENGTH_COVERAGE
)
lambdamax
0.1nm
Wavelength range covered by the spectrum (maximum value)
(
instr.bandwidth
)
(
INST_WAVELENGTH_COVERAGE
)
S/Nblue
S/N per pixel representative of the Lyα forest, away from saturated absorption lines
(
stat.snr
)
(
INST_S/N
)
lambdablue
0.1nm
Actual wavelength associated to S/Nblue
(
meta.id.assoc;em.wl
)
(
SPECT_WAVELENGTH_MISC
)
S/Nred
(n)
S/N per pixel representative of the continuum redward to the quasar Lyα
(
stat.snr
)
(
INST_S/N
)
lambdared
0.1nm
(n)
Actual wavelength associated to S/Nred
(
meta.id.assoc;em.wl
)
(
SPECT_WAVELENGTH_MISC
)
vdisp
(char)
km/s
Nominal pixel velocity dispersion of the 1D spectra (range is used if arm dependent)
(
phys.veloc.dispersion;instr.pixel
)
(
VELOC_DISP
)
SimbadName
(char)
(n)
Designation understandable by the
Simbad
data-base
(
meta.id
)
(
ID_ALTERNATIVE
)
_RA
deg
(i)
Right Ascension (J2000) from SIMBAD (not part of the original data)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DE
deg
(i)
Declination (J2000) from SIMBAD (not part of the original data)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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