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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/ApJ/847/81
2890
HeII photoionization rates of quasars (Schmidt+, 2017)
ReadMe+ftp
2017ApJ...847...81S
Similar Catalogs
Post annotation
1.
J/ApJ/847/81/losqso
(c)
Overview of the FUV spectra, HeII sightlines and the number of foreground quasars for the 22 background quasar sightlines (tables 1 and 2)
(22 rows)
meta
J/ApJ/847/81/losqso
2.
J/ApJ/847/81/table3
(c)
Quasars discovered within our survey
(131 rows)
meta
J/ApJ/847/81/table3
Xmatch is
on
off
Radius:
arcsec
Master table:
all - matching rows only
J/ApJ/847/81/losqso
J/ApJ/847/81/table3
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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join
Column
Constraint
Explain
(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(ALL)
HE2QS
(char)
He II-transparent quasar ID
(
meta.id;meta.main
)
(
ID_MAIN
)
(ALL)
Inst
(char)
HST instrument +grating
(
instr
)
(
INST_ID
)
(1)
R
[1000/18000] Dispersion
(
instr.dispersion
)
(
INST_DISPERSION
)
(1)
HST
[9350/13013] HST Program Id
(
meta.id;obs
)
(
OBS_ID
)
(1)
PI
(char)
HST Program PI
(
obs.observer
)
(
ID_HUMAN
)
(1)
Ref
(char)
Reference(s)
(Note 1)
(
meta.ref;pos.frame
)
(
REFER_CODE
)
(1)
RAJ2000
"h:m:s"
(i)
Hour of Right Ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(1)
DEJ2000
"d:m:s"
(i)
Degree of Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(1)
zBG
[2.7/4] Spectroscopic redshift of HeII-transparent QSO
(
src.redshift;pos.heliocentric
)
(
REDSHIFT_HC
)
(1)
N-VLT
(n)
[0/2] Number of quasars detected with VLT/VIMOS+LBT/LBC
(
meta.number
)
(
NUMBER
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1)
N-NTT
(n)
[0/2] Number of quasars detected with NTT/EFOSC2
(
meta.number
)
(
NUMBER
)
(1)
N-CAHA
(n)
[0/5] Number of quasars detected with CAHA/TWIN
(
meta.number
)
(
NUMBER
)
(1)
N-SDSS
(n)
[0/7] Number of quasars used from SDSS
(Note 1)
(
meta.number
)
(
NUMBER
)
(1)
N-Lit
(n)
[1/2] Number of quasars used from the Literature
(Note 2)
(
meta.number
)
(
NUMBER
)
(1)
Nfg
(n)
Number of foreground quasars in this field (link to table 3)
(
meta.number
)
(
NUMBER
)
(ALL)
Sloan
(char)
Display the online SDSS data for the nearest object
(
meta.ref.url
)
(
DATA_LINK
)
(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
(
meta.ref.url
)
(
DATA_LINK
)
(2)
RAJ2000
deg
(i)
Right Ascension, foreground QSOs (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(2)
DEJ2000
deg
(i)
Declination, foreground QSOs (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(2)
zspec
[0.6/4.2] Spectroscopic Redshift
(
src.redshift
)
(
REDSHIFT_HC
)
(2)
rmag
mag
(n)
[17/24.5] SDSS r band AB magnitude
(
phot.mag;em.opt.R
)
(
PHOT_SDSS_R
)
(2)
M1450
mag
(n)
[-27.8/-20.5] Absolute M1450 magnitude
(
phys.magAbs
)
(
PHOT_ABS-MAG_BAND
)
(2)
Sep
arcsec
[3.1/80.4] Angular separation
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
(2)
Dprop
Mpc
[1.5/39.8] Transverse separation in situation proper distances; in proper Mpc units
(
pos.distance
)
(
PHYS_DISTANCE_TRUE
)
(2)
GamHeQSO
s-1
[6.8e-17/1.1e-06] HeII photoionization rate
(
phys.ionizParam.rad
)
(
PHYS_IONIZATION_PARAM
)
(2)
Simbad
(char)
ask the
Simbad
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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