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70007000 PKS 2155-304
DETECTED



Object Information and Products

Object name : PKS 2155-304
RA (J2000) : 21 58 52.00
Dec (J2000) : -30 13 32.0
Detection significance : 5661.79 sigma
Download Products (Full description of products)
All 70007000_v3.1_all.tar.gz Description
Imaging 70007000_v3.1_image.tar.gz Description
Spectral 70007000_v3.1_spectral.tar.gz Description
Timing 70007000_v3.1_timing.tar.gz Description



Observing Times
Elapsed (s) Exposure (s)
SIS0 83023 3667
SIS1 82931 4869
GIS2 94931 34191
GIS3 94931 34191

Observation Information

Sequence : 70007000
ASCA object name : PKS2155-304
Start date : 03 May 1993
Start time : 20:55:39
Start MJD : 49110.87198
SIS clocking mode : 4 CCDs
SIS data mode : BRIGHT
GIS3 channels : 1024
Event threshold : The effective event threshold is constant.
Link to official ASCA Data Facility processing page



GIS Sky Images and Veron 2001 Objects

GIS2 Detection Image GIS Rebinned Image Veron Objects
GIS2 image with detection regions Binned GIS image with nominal RA/Dec Smoothed GIS image with Veron objects and centroid
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Veron Name
(with NED link)
RA (J2000) Dec (J2000) Redshift Type
PKS 2155-304 21 58 52.00 -30 13 32.0 0.116 AGN UNCLASSIFIED
2QZ J215842-3019 21 58 42.90 -30 19 02.0 2.196 QSO
21556-302 21 58 34.00 -30 00 05.0 2.2 QSO
2QZ J215811-3030 21 58 11.20 -30 30 03.0 3.874 QSO
2QZ J215728-3020 21 57 28.60 -30 20 03.0 2.04 QSO
21570-302 21 59 59.30 -30 00 27.0 1.9 QSO
2QZ J215719-3017 21 57 19.30 -30 17 36.0 0.672 QSO
2QZ J215852-3034 21 58 52.30 -30 34 23.0 1.945 QSO
Link to all NED objects in GIS field-of-view



Detector Images, Extraction Regions and Counts

Detector Detector Images Source
Region
Counts
Scaled
Background
Counts
Background
Subtracted
Counts
Background
Subtracted
Rate
Unsmoothed Smoothed (counts) (counts) (counts) (counts s-1)
SIS0 Unsmoothed SIS0 detector image
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Smooothed SIS0 detector image
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31206 743.1 30462.9 8.31e+00
SIS1 Unsmoothed SIS1 detector image
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Smooothed SIS1 detector image
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41739 603.4 41135.6 8.45e+00
GIS2 Unsmoothed GIS2 detector image
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Smooothed GIS2 detector image
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304282 6139.3 298142.7 8.72e+00
GIS3 Unsmoothed GIS3 detector image
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Smooothed GIS3 detector image
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307268 5941.5 301326.5 8.81e+00



Spectral Fitting Results

Energy
Band
Spectrum NH Photon
Index
Red. Chi2
/ DOF
Prob. to
Exceed
SIS0 Flux
(cm-2) (erg cm-2 s-1)
Full Full-band spectral fit no absorption Unabsorbed
Model
2.40 4.01 / 353 0.00e+00 2.84e-10
Full Full-band spectral fit with absorption NO
FIT
NO
FIT
NO
FIT
NO
FIT
NO
FIT
Soft Soft-band spectral fit no absorption Unabsorbed
Model
2.30 3.87 / 136 0.00e+00 1.68e-10
Soft Soft-band spectral fit with absorption 4.07e+20 2.45 3.54 / 135 0.00e+00 1.63e-10
Hard Hard-band spectral fit no absorption Unabsorbed
Model
2.48 1.20 / 208 2.81e-02 1.12e-10
Hard Hard-band spectral fit with absorption 1.89e+21 2.56 1.13 / 207 9.13e-02 1.11e-10
Galactic NH 1.69e+20



Light Curve

Full-band SIS light curve Combined SIS0 + SIS1 0.5-10 keV light curve



Log File and Warnings

Log file

2005.06.21.14:37.70007000.seq

Warnings

Custom regions were used
Unsuccessful spectral fit(s)
List of warnings in log file

Missing products

All products are available



Previous Sequence
70006000
Next Sequence
70008000


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NASA Official: Phil Newman
Last Updated: Monday, 25-Jul-2005 15:15:09 EDT