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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/675/464
792
Chandra observations of NGC 2244 (Wang+, 2008)
ReadMe+ftp
2008ApJ...675..464W
Similar Catalogs
Post annotation
1.
J/ApJ/675/464/catalog
Chandra Main and Secondary Catalog
(919 rows)
meta
J/ApJ/675/464/catalog
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
)
Cat
(char)
sources from
M
ain or
S
econdary catalog
(
meta.id
)
(
ID_GROUP
)
Seq
(i)
Source Sequence number; sorted by RA (1)
(Note)
(
meta.id
)
(
ID_NUMBER
)
CXOU
(char)
Source IAUC designation; HHMMSS.ss+DDMMSS.s
(
meta.id;meta.main
)
(
ID_MAIN
)
epos
arcsec
Estimated random component of position error
(Note 2)
(
stat.error
)
(
ERROR
)
OffAng
arcmin
Off-axis angle
(
instr.offset
)
(
INST_ANG_OFFAXIS
)
Ncts
ct
Estimated net 0.5-8keV band extracted counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_Ncts
ct
Average 1σ error in Ncts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
Bcts
ct
Background 0.5-8keV band extracted counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
Hcts
ct
Estimated net 2-8keV band extracted counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
PSF
Fraction of PSF (at 1.497keV) within extraction region
(Note 3)
(
instr.det.psf;obs.field;arith.ratio
)
(
INST_PSF
)
ALL
cols
(i)
indexed column
Signi
Photometric significance
(Note 4)
(
stat.fit.goodness;phot
)
(
STAT_SIGNIFICANCE
)
l_logPB
(char)
Limit flag on logPB
(
meta.code.error
)
(
CODE_LIMIT
)
logPB
[-]
Log probability that all 0.5-8keV counts from background
(Note 5)
(
stat.fit.goodness
)
(
STAT_PROBABILITY
)
Anom
(char)
Source anomalies
(Note 6)
(
meta.code
)
(
CODE_MISC
)
Var
(char)
Variability characterization
(Note 7)
(
meta.code;src.var
)
(
CODE_VARIAB
)
Exp
ks
Effective exposure time
(Note 8)
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
Emed
keV
Background-corrected median 0.5-8keV photon energy
(
em.energy
)
(
PHYS_ENERGY_X
)
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
(i)
indexed column
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http://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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