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J/ApJ/589/225
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J/ApJ/589/225
..table3
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Distance ρ
Position angle θ
Distance (x,y)
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J2000
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J/ApJ/589/225
1773
Chandra X-ray sources toward Galactic Center (Muno+, 2003)
ReadMe+ftp
2003ApJ...589..225M
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1.
J/ApJ/589/225/table3
Brightest point sources in the 17x17' field toward the Galactic center
(2357 rows)
Simple Constraint
List Of Constraints
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Constraints
applied on Columns
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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
)
CXOGC
(char)
The IAU designation
(
meta.id;meta.main
)
(
ID_MAIN
)
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
)
Sep
arcmin
Offset from Sgr A*
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
Exp
ks
Live time on source
(
time.duration
)
(
TIME_EXPTIME
)
FPSF
Fraction of PSF encompassed by source region
(
instr.det.psf
)
(
INST_PSF
)
EPSF
keV
Energy at which PSF was estimated
(
phys.energy
)
(
PHYS_ENERGY_GENERAL
)
Sct
ct
Total counts (0.5-2.0keV) in source region
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
Sbckg
ct
Estimated background (0.5-2.0keV) in source region
(
instr.background;obs.field
)
(
INST_BACKGROUND
)
Sbsc
Ratio of areas of bkg and src regions, 0.5-2.0keV
(Note 1)
(
phys.area;instr
)
(
INST_AREA
)
ALL
cols
(i)
indexed column
SARF
cm2
Mean value of effective area function, ARF (0.5-2.0keV)
(
phys.area;instr
)
(
INST_AREA
)
M1ct
ct
Total counts (2.0-3.3keV) in source region
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
M1bckg
ct
Estimated background (2.0-3.3keV) in source region
(
instr.background;obs.field
)
(
INST_BACKGROUND
)
M1bsc
Ratio of areas of bkg and src regions, (2.0-3.3keV)
(Note 1)
(
phys.area;instr
)
(
INST_AREA
)
M1ARF
cm2
Mean value of effective area function, ARF (2.0-3.3keV)
(
phys.area;instr
)
(
INST_AREA
)
M2ct
ct
Total counts (3.3-4.7keV) in source region
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
M2bckg
ct
Estimated background (3.3-4.7keV) in source region
(
instr.background;obs.field
)
(
INST_BACKGROUND
)
M2bsc
Ratio of areas of bkg and src regions, (3.3-4.7keV)
(Note 1)
(
phys.area;instr
)
(
INST_AREA
)
M2ARF
cm2
Mean value of effective area function, ARF (3.3-4.7keV)
(
phys.area;instr
)
(
INST_AREA
)
Hct
ct
Total counts (4.7-8.0keV) in source region
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
Hbckg
ct
Estimated background (4.7-8.0keV) in source region
(
instr.background;obs.field
)
(
INST_BACKGROUND
)
Hbsc
Ratio of areas of bkg and src regions, (4.7-8.0keV)
(Note 1)
(
phys.area;instr
)
(
INST_AREA
)
HARF
cm2
Mean value of effective area function, ARF (4.7-8.0keV)
(
phys.area;instr
)
(
INST_AREA
)
ALL
cols
(i)
indexed column
Fct
ct
Net counts in the full band F=0.5-8.0keV
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
l_e_Fct
(char)
Limit flag on e_Fct
(
meta.code.error
)
(
CODE_LIMIT
)
e_Fct
ct
Uncertainty or upper limit on Fct
(
stat.error
)
(
ERROR
)
HR0
(n)
Soft hardness ratio, M1-S/M1+S
(Note 2)
(
phot.flux;arith.ratio
)
(
SPECT_HARDNESS-RATIO
)
e_HR0
(n)
Lower uncertainty on HR0
(Note 3)
(
stat.error
)
(
ERROR
)
E_HR0
(n)
Upper uncertainty on HR0
(Note 4)
(
stat.error;stat.max
)
(
ERROR
)
HR1
(n)
Medium hardness ratioM2-M1/M2+M1
(Note 2)
(
phot.flux;arith.ratio
)
(
SPECT_HARDNESS-RATIO
)
e_HR1
(n)
Lower uncertainty on HR1
(Note 3)
(
stat.error
)
(
ERROR
)
E_HR1
(n)
Upper uncertainty on HR1
(Note 4)
(
stat.error;stat.max
)
(
ERROR
)
HR2
(n)
Hard hardness ratio, H-M2/H+M2
(Note 2)
(
phot.flux;arith.ratio
)
(
SPECT_HARDNESS-RATIO
)
e_HR2
(n)
Lower uncertainty on HR2
(Note 3)
(
stat.error
)
(
ERROR
)
E_HR2
(n)
Upper uncertainty on HR2
(Note 4)
(
stat.error;stat.max
)
(
ERROR
)
SFlux
10-7ph/cm2/s
Photon flux (S=0.5-2.0keV)
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
l_SFlux
(char)
Limit flag on e_SFlux
(
meta.code.error
)
(
CODE_LIMIT
)
e_SFlux
10-7ph/cm2/s
Uncertainty or upper limit on SFlux
(
stat.error
)
(
ERROR
)
M1Flux
10-7ph/cm2/s
Photon flux (M1=2.0-3.3keV)
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
l_e_M1Flux
(char)
Limit flag on e_M1Flux
(
meta.code.error
)
(
CODE_LIMIT
)
e_M1Flux
10-7ph/cm2/s
Uncertainty or upper limit on M1Flux
(
stat.error
)
(
ERROR
)
M2Flux
10-7ph/cm2/s
Photon flux (M2=3.3-4.7keV)
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
l_e_M2Flux
(char)
Limit flag on e_M2Flux
(
meta.code.error
)
(
CODE_LIMIT
)
e_M2Flux
10-7ph/cm2/s
Uncertainty or upper limit on M2Flux
(
stat.error
)
(
ERROR
)
HFlux
10-7ph/cm2/s
Photon flux (H=4.7-8.0keV)
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
l_e_HFlux
(char)
Limit flag on e_HFlux
(
meta.code.error
)
(
CODE_LIMIT
)
e_HFlux
10-7ph/cm2/s
Uncertainty or upper limit on HFlux
(
stat.error
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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