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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/861/130
1678
BL Lac objects GTC low resolution spectroscopy (Landoni+, 2018)
ReadMe+ftp
2018ApJ...861..130L
Similar Catalogs
Post annotation
1.
J/ApJ/861/130/bllac
The Sample of high redshift SDSS BLLac candidates with their observation log obtained at the Gran Telescopio CANARIAS (GTC) and the properties of the optical spectra (tables 1-3)
(16 rows)
meta
J/ApJ/861/130/bllac
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
)
Ns
(n)
Number of spectral line measurements (link to Table 4)
(
meta.number
)
(
NUMBER
)
SDSS
(char)
(i)
Object Name
(
meta.id;meta.main
)
(
ID_MAIN
)
f_SDSS
(char)
c = Published in Paiano+ (
2017ApJ...844..120P
)
(
meta.code
)
(
CODE_MISC
)
RAJ2000
"h:m:s"
(i)
[7/17] Hour of Right Ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
"d:m:s"
(i)
Degree of Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
GLON
deg
Galactic longitude, decimal degrees
(
pos.galactic.lon
)
(
POS_GAL_LON
)
GLAT
deg
Galactic latitude, decimal degrees
(
pos.galactic.lat
)
(
POS_GAL_LAT
)
Vmag
mag
[17.3/19.9] Magnitude from catalog
(
phot.mag;em.opt.V
)
(
PHOT_MAG_V
)
E(B-V)
mag
[0.01/0.2] Reddening (from NED)
(
phot.color.excess
)
(
PHOT_COLOR_EXCESS
)
l_z
(char)
[≤>] Redshift limit flag
(
meta.code.error;src.redshift
)
(
CODE_LIMIT
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
z
[0.9/3.4] Redshift
(Note 1)
(
src.redshift
)
(
REDSHIFT_HC
)
n_z
(char)
Redshift type (T=Tentative; LL=Lower limit from intervening systems)
(
meta.note
)
(
NOTE
)
ExpB
s
[300/7200] Exposure time for R1000B grism
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
DateB
"Y:M:D"
(n)
Date of observation of R1000B grism
(
time.epoch
)
(
TIME_DATE
)
SeeB
arcsec
[0.9/2.8] Seeing during acquisition of R1000B grism
(
instr.obsty.seeing
)
(
INST_SEEING
)
ExpR
s
[700/7200] Exposure time for R1000R grism
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
DateR
"Y:M:D"
(n)
Date of observation of R1000R grism
(
time.epoch
)
(
TIME_DATE
)
SeeR
arcsec
[0.8/2.4] Seeing during acquisition of R1000R grism
(
instr.obsty.seeing
)
(
INST_SEEING
)
rmag
mag
[17/19.8] Magnitude measured from acquisition image in r band
(
phot.mag;em.opt.R
)
(
PHOT_MAG_R
)
SNR
[20/100] Average GTC S/N of the spectrum
(
stat.snr
)
(
SPECT_S/N
)
b_EWmin
0.1nm
[0.2/1] Lower range of the minimum equivalent width
(Note 1)
(
spect.line.eqWidth;stat.min
)
(
ERROR
)
B_EWmin
0.1nm
[0.8/1.5] Upper range of the minimum equivalent width
(Note 1)
(
spect.line.eqWidth;stat.min;stat.max
)
(
ERROR
)
l_zspec
(char)
[≤>] Redshift limit flag
(
meta.code.error
)
(
CODE_LIMIT
)
zspec
[0.3/3.4] Proposed redshift from this work
(
src.redshift
)
(
REDSHIFT_HC
)
f_zspec
(char)
Flags on proposed redshift
(Note 2)
(
meta.code
)
(
CODE_MISC
)
Class
(char)
Class of the object (B=BLL or Q=FSRQ)
(
meta.code.class
)
(
CLASS_OBJECT
)
Sloan
Display the online SDSS data for the nearest object
(
meta.ref.url
)
(
DATA_LINK
)
Simbad
ask the
Simbad
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
NED
ask the
NED
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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