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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/AJ/135/2453
2379
Sample of BL Lac objects from SDSS and FIRST (Plotkin+, 2008)
ReadMe+ftp
2008AJ....135.2453P
Similar Catalogs
Post annotation
1.
J/AJ/135/2453/BLLac
Observed (table5) and derived (table6) parameters of BL Lac candidates
(501 rows)
meta
J/AJ/135/2453/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
)
SDSS
(char)
SDSS Name (HHMMSS.ss+DDMMSS.s)
(
meta.id;meta.main
)
(
ID_MAIN
)
Class
(char)
[BL? ] higher confidence BL Lac class (BL), or lower confidence BL Lac class (BL?)
(
src.class
)
(
CLASS_OBJECT
)
N
(char)
[NSO] Source in NED as BL Lac?
(Note 3)
(
meta.code
)
(
CODE_MISC
)
umag
mag
SDSS u-band psf magnitude
(
phot.mag;em.opt.U
)
(
PHOT_SDSS_U
)
gmag
mag
SDSS g-band psf magnitude
(
phot.mag;em.opt.B
)
(
PHOT_SDSS_G
)
rmag
mag
SDSS r-band psf magnitude
(
phot.mag;em.opt.R
)
(
PHOT_SDSS_R
)
imag
mag
SDSS i-band psf magnitude
(
phot.mag;em.opt.I
)
(
PHOT_MAG_I
)
zmag
mag
SDSS z-band psf magnitude
(
phot.mag;em.opt.I
)
(
PHOT_SDSS_Z
)
z
(n)
Redshift from SDSS spectroscopy
(
src.redshift
)
(
REDSHIFT_HC
)
q_z
(char)
[LRTU] z quality
(Note 4)
(
meta.code.qual;src.redshift
)
(
CODE_QUALITY
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
C
(n)
Measured H/K break strength
(Note 5)
(
spect.line.intensity
)
(
SPECT_LINE_STRENGTH
)
f1.4
mJy
Integrated FIRST 1.4GHz observed flux density
(
phot.flux.density;em.radio.750-1500MHz
)
(
PHOT_FLUX_RADIO_1.4G
)
Comm
(char)
Additional comments
(Note 6)
(
meta.note
)
(
REMARKS
)
SimbadName
(char)
Designation understandable by the
Simbad
data-base
(
meta.id
)
(
ID_ALTERNATIVE
)
NED
ask the
NED
data-base about this object
(
DATA_LINK
)
logL5
[10-7W/Hz]
Calculated monochromatic radio luminosity at rest frame 5GHz in erg/s/Hz (log scale)
(
phys.luminosity;em.radio;meta.modelled
)
(
SPECT_LUMINOSITY
)
Omag
mag
Extinction corrected optical magnitude in filter closest to rest frame 500nm
(
phot.mag;em.opt
)
(
PHOT_MAG_OPTICAL
)
logLopt
[10-7W/Hz]
Calculated monochromatic optical luminosity at rest frame 500nm (5000Å) (log scale)
(
phys.luminosity
)
(
SPECT_LUMINOSITY
)
X
(char)
[Y/N] Source is a RASS X-ray source?
(Note 8)
(
meta.code
)
(
CODE_MISC
)
Xrate
ct/s
RASS measured X-ray count rate
(Note 8)
(
phot.count;em.X-ray
)
(
PHOT_COUNT-RATE_X
)
logLx
[10-7W/Hz]
Calculated monochromatic X-ray luminosity at rest frame 1keV in erg/s/Hz (log scale)
(Note 8)
(
phys.luminosity
)
(
SPECT_LUMINOSITY
)
SI.RO
Broad-band radio/optical spectral index
(
spect.index
)
(
SPECT_SP-INDEX
)
SI.OX
Broad-band optical/X-ray spectral index
(
spect.index
)
(
SPECT_SP-INDEX
)
SI.RX
Broad-band radio/X-ray spectral index
(
spect.index
)
(
SPECT_SP-INDEX
)
DR5
Details of the photometry from the SDSS-DR5
(
meta.ref.url
)
(
DATA_LINK
)
RAJ2000
deg
(i)
Right Ascension in decimal degrees (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
deg
(i)
Declination in decimal degrees (J2000)
(
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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http://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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