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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/735/26
3062
Chandra observations of M81 (Sell+, 2011)
ReadMe+ftp
2011ApJ...735...26S
Similar Catalogs
Post annotation
1.
J/ApJ/735/26/xsources
Merged extraction and fit data of sources in the master and borderline source lists
(tables 3 and 4)
(276 rows)
meta
J/ApJ/735/26/xsources
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
)
Seq
(char)
Source index number
(Note G1)
(
meta.id;meta.main
)
(
ID_NUMBER
)
n_Seq
(char)
Source off chip
(Note 2)
(
meta.note
)
(
NOTE
)
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
)
OAA
arcmin
(n)
Average off-axis angle
(
instr.offset;stat.mean
)
(
INST_ANG_OFFAXIS
)
SCts
ct
(n)
Total source counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
BCts
ct
(n)
Total background counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
Soft
ct
(n)
Net soft (0.5-1keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_Soft
ct
(n)
Lower limit uncertainty in Soft
(Note 1)
(
stat.error
)
(
ERROR
)
E_Soft
ct
(n)
Upper limit uncertainty in Soft
(
stat.error;stat.max
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
Med
ct
(n)
Net medium (1-2keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_Med
ct
(n)
Lower limit uncertainty in Med
(Note 1)
(
stat.error
)
(
ERROR
)
E_Med
ct
(n)
Upper limit uncertainty in Med
(
stat.error;stat.max
)
(
ERROR
)
Hard
ct
(n)
Net hard (2-8keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_Hard
ct
(n)
Lower limit uncertainty in Hard
(Note 1)
(
stat.error
)
(
ERROR
)
E_Hard
ct
(n)
Upper limit uncertainty in Hard
(
stat.error;stat.max
)
(
ERROR
)
PSF
%
(n)
Average PSF fraction enclosed by extraction region
(
instr.det.psf;arith.ratio
)
(
INST_PSF
)
VarS1
(n)
Variability statistic
(Note 3)
(
src.var.index
)
(
VAR_INDEX
)
Obs1
(char)
Observations used to derive VarS1
(
meta.id;obs
)
(
OBS_ID
)
VarS2
(n)
Variability statistic
(Note 4)
(
src.var.index
)
(
VAR_INDEX
)
S03
(n)
Cross-match with Swartz+ 2003, Cat.
J/ApJS/144/213
, within 10"
(
meta.ref.url
)
(
DATA_LINK
)
Model
(char)
Model type: plaw=power law, or bbod=blackbody
(
meta.note;phys.luminosity;meta.modelled
)
(
MODEL_ID
)
n_Model
(char)
[ab] Note on Model type
(Note 5)
(
meta.note
)
(
NOTE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
Param
(n)
Photon Index (plaw) or kT (bbod) of Model
(
spect.index
)
(
SPECT_SP-INDEX
)
e_Param
(n)
Lower limit uncertainty in Param
(Note 6)
(
stat.error
)
(
ERROR
)
E_Param
(n)
Upper limit uncertainty in Param
(Note 6)
(
stat.error;stat.max
)
(
ERROR
)
Norm
(n)
Model normalization
(Note 7)
(
stat.fit.param
)
(
FIT_PARAM_VALUE
)
e_Norm
(n)
Lower limit uncertainty in Norm
(Note 6)
(
stat.error
)
(
ERROR
)
E_Norm
(n)
Upper limit uncertainty in Norm
(Note 6)
(
stat.error;stat.max
)
(
ERROR
)
NH
10+22/cm2
(n)
The H I column density
(Note 8)
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
e_NH
10+22/cm2
(n)
Lower limit uncertainty in NH
(Note 6)
(
stat.error
)
(
ERROR
)
E_NH
10+22/cm2
(n)
Upper limit uncertainty in NH
(Note 6)
(
stat.error;stat.max
)
(
ERROR
)
CStat
(n)
Total best-fit C-Statistic (for the source and background models together)
(
stat.fit.param
)
(
STAT_PARAM
)
DOF
(n)
[1012/1016] Degrees of Freedom
(Note 9)
(
stat.fit.dof
)
(
STAT_N-DOF
)
Lum
10+30W
(n)
The 0.5-8 keV luminosity
(Note 10)
(
phys.luminosity;em.X-ray
)
(
PHYS_LUMINOSITY_X
)
e_Lum
10+30W
(n)
Lower limit uncertainty in Lum
(Note 6)
(
stat.error
)
(
ERROR
)
E_Lum
10+30W
(n)
Upper limit uncertainty in Lum
(Note 6)
(
stat.error;stat.max
)
(
ERROR
)
Com
(char)
Comments about source extraction
(Note 11)
(
meta.note;phys.angSize
)
(
REMARKS
)
Simbad
ask the
Simbad
data-base about this object
(
meta.ref
)
(
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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