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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
70020000 CENTAURUS A
DETECTED

Object Information and Products

Object name : CENTAURUS A
RA (J2000) : 13 25 28.00
Dec (J2000) : -43 01 00.0
Detection significance : 1288.83 sigma
Download Products (Full description of products)
All 70020000_v3.1_all.tar.gz Description
Imaging 70020000_v3.1_image.tar.gz Description
Spectral 70020000_v3.1_spectral.tar.gz Description
Timing 70020000_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 87712 26190
SIS1 87552 19341
GIS2 87696 30813
GIS3 87696 30807

Observation Information

Sequence : 70020000
ASCA object name : CENA
Start date : 14 Aug 1993
Start time : 04:00:09
Start MJD : 49213.16678
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
jpeg gif jpeg gif jpeg gif


Veron Name
(with NED link) 		RA (J2000) Dec (J2000) Redshift Type
NGC 5128 13 25 28.00 -43 01 00.0 0.001 BL LAC
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
jpeg gif 		Smooothed SIS0 detector image
jpeg gif 		20307 1617.6 18689.4 7.14e-01
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		10924 1061.7 9862.3 5.10e-01
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		42092 2070.8 40021.2 1.30e+00
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		38968 2101.0 36867.0 1.20e+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 		NO
FIT 		NO
FIT 		NO
FIT 		NO
FIT
Full Full-band spectral fit with absorption 6.05e+22 0.95 13.63 / 355 0.00e+00 1.21e-10
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		1.65 2.01 / 135 3.89e-11 2.70e-12
Soft Soft-band spectral fit with absorption 0.00e+00 1.65 2.02 / 134 2.71e-11 2.70e-12
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		NO
FIT 		NO
FIT 		NO
FIT 		NO
FIT
Hard Hard-band spectral fit with absorption 8.32e+22 1.30 2.12 / 211 4.36e-19 1.17e-10
Galactic NH 8.62e+20


Light Curve

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


Log File and Warnings

Log file

2005.06.21.22:22.70020000.seq

Warnings

Unsuccessful spectral fit(s)
List of warnings in log file

Missing products

All products are available


Previous Sequence
70018000
Next Sequence
70021000


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    Last Updated: Monday, 25-Jul-2005 15:16:06 EDT