VizieR Search Page
[
Back
] ⋅ [
Forwd
] ⋅ [
Print
] ⋅ [
Close
]
JavaScript is used, and should be enabled to get full functionality.
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/874/8
2359
Follow-up spectroscopy of SDSS changing-look QSOs (Macleod+, 2019)
ReadMe+ftp
2019ApJ...874....8M
Similar Catalogs
Post annotation
1.
J/ApJ/874/8/table2
Changing-look quasar (CLQ) candidates
(262 rows)
meta
J/ApJ/874/8/table2
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
Show
Sort
Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
SDSS
(char)
(i)
SDSS identifier (HHMMSS.ss+DDMMSS.s; J2000)
(
meta.id;meta.main
)
(
ID_MAIN
)
Sp
(char)
link to spectral decomposition (Table 3)
(
meta.ref.url
)
(
DATA_LINK
)
z
[0.15/0.82] Spectroscopic redshift
(
src.redshift
)
(
REDSHIFT_HC
)
Ex?
[0/1] Morphology flag (1=extended or 0=point source)
(
meta.code
)
(
CODE_MISC
)
MJD1p
d
[51075/56031] Modified Julian Date of first photometric observation
(
time.epoch
)
(
TIME_DATE
)
gmag1
mag
[16.2/22] First SDSS g band (AB) magnitude
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
e_gmag1
mag
[0.005/0.1] Uncertainty in g1mag
(
stat.error;phot.mag
)
(
ERROR
)
MJD2p
d
[53655/56588] Modified Julian Date of second photometric observation
(
time.epoch
)
(
TIME_DATE
)
gmag2
mag
[15.9/22.8] Second SDSS g band (AB) magnitude
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
e_gmag2
mag
[0.002/0.15] Uncertainty in g2mag
(
stat.error;phot.mag
)
(
ERROR
)
ALL
cols
(i)
indexed column
MJD1s
d
[51630/55500] Modified Julian Date of first spectroscopic observation
(
time.epoch
)
(
TIME_DATE
)
MJDPS1
d
[55242/56625] Modified Julian Date of PS1 observation
(
time.epoch
)
(
TIME_DATE
)
gmagPS1
mag
[15.9/22.7] Pan-STARRS 1 g band (AB) magnitude
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
e_gmagPS1
mag
[0.005/0.2] Uncertainty in gPS1mag
(
stat.error
)
(
ERROR
)
MJD2s
d
[0/58367] Modified Julian Date of second spectroscopic observation
(Note 1)
(
time.epoch
)
(
TIME_DATE
)
Tel
(char)
Facility identifier
(
meta.id
)
(
TEL_ID
)
CLQ?
[0/1] Changing-look quasar by VI?
(
meta.code
)
(
CODE_MISC
)
Nsigma
(n)
[-1/11.9] Flux deviation at Hβ
(
stat.stdev;phot.flux
)
(
ERROR
)
PS1
Display data from Pan-STARRS DR1 (
II/349
) within 1"
(
meta.ref.url
)
(
DATA_LINK
)
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
)
_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
Adapt form
Display your selection only
Reset to default columns
Display
UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
elapse time 1