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J/ApJS/204/14
2178
Deep Chandra observations of NGC 4649. I. (Luo+, 2013)
ReadMe+ftp
2013ApJS..204...14L
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1.
J/ApJS/204/14/measures
Source counts, hardness ratios, colors for individual observations
(tables 5–10)
(3006 rows)
meta
J/ApJS/204/14/measures
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Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
ObsID
(n)
Chandra observation identification
(
meta.id;obs
)
(
OBS_ID
)
XID
[1/501] Source identification number
(
meta.id
)
(
ID_NUMBER
)
FB
ct
(n)
Net full band 0.3-8 keV counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_FB
ct
(n)
Lower 1σ uncertainty on FB
(Note 6)
(
stat.error
)
(
ERROR
)
E_FB
ct
(n)
Upper 1σ uncertainty on FB
(Note 6)
(
stat.error;stat.max
)
(
ERROR
)
SB
ct
(n)
Net soft band 0.3-2 keV counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_SB
ct
(n)
Lower 1σ uncertainty on SB
(Note 6)
(
stat.error
)
(
ERROR
)
E_SB
ct
(n)
Upper 1σ uncertainty on SB
(Note 6)
(
stat.error;stat.max
)
(
ERROR
)
HB
ct
(n)
Net hard band 2-8 keV counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_HB
ct
(n)
Lower 1σ uncertainty on HB
(Note 6)
(
stat.error
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
E_HB
ct
(n)
Upper 1σ uncertainty on HB
(Note 6)
(
stat.error;stat.max
)
(
ERROR
)
SB1
ct
(n)
Net 0.3-1 keV counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_SB1
ct
(n)
Lower 1σ uncertainty on SB1
(Note 6)
(
stat.error
)
(
ERROR
)
E_SB1
ct
(n)
Upper 1σ uncertainty on SB1
(Note 6)
(
stat.error;stat.max
)
(
ERROR
)
SB2
ct
(n)
Net 1-2 keV counts
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_SB2
ct
(n)
Lower 1σ uncertainty on SB2
(Note 6)
(
stat.error
)
(
ERROR
)
E_SB2
ct
(n)
Upper 1σ uncertainty on SB2
(Note 6)
(
stat.error;stat.max
)
(
ERROR
)
HR
(n)
Hardness ratio; (HB-SB)/(HB+SB)
(
phot.flux
)
(
SPECT_HARDNESS-RATIO
)
e_HR
(n)
Lower 1σ uncertainty on HR
(
stat.error
)
(
ERROR
)
E_HR
(n)
Upper 1σ uncertainty on HR
(
stat.error;stat.max
)
(
ERROR
)
SC
(n)
Soft X-ray color; (SB2-SB1)/FB
(
phot.flux;arith.ratio
)
(
SPECT_HARDNESS-RATIO
)
e_SC
(n)
Lower 1σ uncertainty on SC
(
stat.error
)
(
ERROR
)
E_SC
(n)
Upper 1σ uncertainty on SC
(
stat.error;stat.max
)
(
ERROR
)
HC
(n)
Hard X-ray color; (HB-SB2)/FB
(
phot.flux;arith.ratio
)
(
SPECT_HARDNESS-RATIO
)
e_HC
(n)
Lower 1σ uncertainty on HC
(
stat.error
)
(
ERROR
)
E_HC
(n)
Upper 1σ uncertainty on HC
(
stat.error;stat.max
)
(
ERROR
)
l_logLX
(char)
The 3σ upper limit on logLX
(
meta.code.error
)
(
CODE_LIMIT
)
logLX
[10-7W]
(n)
[36.9/40] log of 0.3-8keV X-ray luminosity; (in erg/s)
(
phys.luminosity;em.X-ray
)
(
PHYS_LUMINOSITY_X
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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