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J/ApJS/181/605
1938
Catalog of X-ray sources in NGC 4278 (Brassington+, 2009)
ReadMe+ftp
2009ApJS..181..605B
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1.
J/ApJS/181/605/Xobs
Source counts, hardness ratios, color-color values and variability for the individual observations
(tables 5-10 of paper)
(1416 rows)
meta
J/ApJS/181/605/Xobs
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Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Obs
(n)
observation number
(
meta.id
)
(
ID_NUMBER
)
[BFK2009]
Master identification number
(
meta.id;meta.main
)
(
ID_MAIN
)
f_Bct
(char)
[≤ ] Limit flag on Bct
(Note 1)
(
meta.code
)
(
CODE_MISC
)
Bct
ct
(n)
Net broad band (0.3-8keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_Bct
ct
(n)
Error in Bct
(
stat.error
)
(
ERROR
)
S1ct
ct
(n)
Net soft 1 band (0.3-0.9keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_S1ct
ct
(n)
Error in S1ct
(
stat.error
)
(
ERROR
)
S2ct
ct
(n)
Net soft 2 band (0.9-2.5keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_S2ct
ct
(n)
Error in S2ct
(
stat.error
)
(
ERROR
)
Sct
ct
(n)
Net soft band (0.3-2.5keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
e_Sct
ct
(n)
Error in Sct
(
stat.error
)
(
ERROR
)
Hct
ct
(n)
Net hard band (2.5-8keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_Hct
ct
(n)
Error in NHct
(
stat.error
)
(
ERROR
)
Scct
ct
(n)
Net conventional soft band (0.5-2keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_Scct
ct
(n)
Error in Scct
(
stat.error
)
(
ERROR
)
Hcct
ct
(n)
Net conventional hard band (2-8keV) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_Hcct
ct
(n)
Error in NHcct
(
stat.error
)
(
ERROR
)
HR
(n)
Hardness ratio
(Note 2)
(
phot.flux;arith.ratio
)
(
SPECT_HARDNESS-RATIO
)
e_HR
(n)
Lower limit uncertainty in HR
(
stat.error
)
(
ERROR
)
E_HR
(n)
Upper limit uncertainty in HR
(
stat.error;stat.max
)
(
ERROR
)
C21
(n)
The C21 X-ray color
(Note 3)
(
phot.count;arith.ratio
)
(
PHOT_COUNTS_RATIO
)
e_C21
(n)
Lower limit uncertainty in C21
(
stat.error
)
(
ERROR
)
E_C21
(n)
Upper limit uncertainty in C21
(
stat.error;stat.max
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
C32
(n)
The C32 X-ray color
(Note 4)
(
phot.count;arith.ratio
)
(
PHOT_COUNTS_RATIO
)
e_C32
(n)
Lower limit uncertainty in C32
(
stat.error
)
(
ERROR
)
E_C32
(n)
Upper limit uncertainty in C32
(
stat.error;stat.max
)
(
ERROR
)
v1
(char)
Short-term variability: Bayesian block analysis
(
meta.code;src.var
)
(
CODE_VARIAB
)
v2
(char)
Short-term variability: Komogorov-Smirnov test
(
meta.code;src.var
)
(
CODE_VARIAB
)
Signif
(n)
Significance of change
(Note 5)
(
stat.fit.goodness
)
(
STAT_SIGNIFICANCE
)
f_logLX
(char)
[≤ ] Limit flag on LogLX
(Note 1)
(
meta.code
)
(
CODE_MISC
)
logLX
[10-7W]
(n)
Log 0.3-0.8keV luminosity
(Note 6)
(
phys.luminosity;em.X-ray
)
(
PHYS_LUMINOSITY_X
)
n_logLX
(char)
[i ] Indicates infinite value (for table 7)
(
meta.note
)
(
NOTE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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