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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/A+A/490/641
3783
X-ray sources toward NGC 2808 (Servillat+, 2008)
ReadMe+ftp
2008A&A...490..641S
Similar Catalogs
Post annotation
1.
J/A+A/490/641/table1
Detected Chandra sources in the direction of NGC 2808
(113 rows)
meta
J/A+A/490/641/table1
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
)
[SDW2008]
Sequential number
(
meta.record
)
(
ID_MAIN
)
Det
(char)
[wh] Detection method (WAVDETECT or by hand)
(
meta.code
)
(
CODE_MISC
)
XMM
(char)
XMM-Newton ID
(Note 1)
(
meta.id
)
(
ID_ALTERNATIVE
)
RAJ2000
"h:m:s"
(i)
Right ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
"d:m:s"
(i)
Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
Error
arcsec
1sigma detection positional error
(
stat.error
)
(
ERROR
)
Cts
ct
Number of X-ray counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
FluxC
10-17W/m2
Chandra flux (10
–14
erg/cm
2
/s)
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
e_FluxC
10-17W/m2
rms uncertainty on Chandra flux
(
stat.error
)
(
ERROR
)
FluxX
10-17W/m2
(n)
XMM flux (10
–14
erg/cm
2
/s)
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
e_FluxX
10-17W/m2
(n)
rms uncertainty on XMM flux
(
stat.error
)
(
ERROR
)
HRC
Chandra hardness ratio
(Note 2)
(
phot.flux;arith.ratio
)
(
SPECT_HARDNESS-RATIO
)
e_HRC
rms uncertainty on Chandra hardness ratio
(
stat.error
)
(
ERROR
)
HRX
(n)
XMM hardness ratio
(Note 2)
(
phot.flux;arith.ratio
)
(
SPECT_HARDNESS-RATIO
)
e_HRX
(n)
rms uncertainty on XMM hardness ratio
(
stat.error
)
(
ERROR
)
NH
10+22cm-2
[0.12] Absorption column density best fit
(
phys.columnDensity;meta.modelled
)
(
PHYS_COLUMN_DENSITY
)
PH
Power law of photon index best fit
(
spect.index
)
(
SPECT_SP-INDEX
)
KS
Kolmogorov-Smirnov probability of constancy
(
src.var.index
)
(
VAR_INDEX
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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