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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
70001000 NGC 4051
DETECTED

Object Information and Products

Object name : NGC 4051
RA (J2000) : 12 03 09.60
Dec (J2000) : +44 31 53.0
Detection significance : 923.81 sigma
Download Products (Full description of products)
All 70001000_v3.1_all.tar.gz Description
Imaging 70001000_v3.1_image.tar.gz Description
Spectral 70001000_v3.1_spectral.tar.gz Description
Timing 70001000_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 82112 25969
SIS1 82080 22757
GIS2 82400 29945
GIS3 82400 29945

Observation Information

Sequence : 70001000
ASCA object name : NGC4051
Start date : 25 Apr 1993
Start time : 22:24:57
Start MJD : 49102.93400
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 4051 12 03 09.60 +44 31 53.0 0.002 SEYFERT TYPE 1
B3 1159+450 12 02 08.60 +44 44 21.0 0 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 		26338 681.3 25656.7 9.88e-01
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		9099 298.4 8800.6 3.87e-01
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		26233 1280.0 24953.0 8.33e-01
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		28979 1283.7 27695.3 9.25e-01


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 		2.06 2.87 / 351 0.00e+00 3.96e-11
Full Full-band spectral fit with absorption 0.00e+00 2.06 2.88 / 350 0.00e+00 3.96e-11
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		2.33 3.41 / 137 1.21e-37 2.04e-11
Soft Soft-band spectral fit with absorption 0.00e+00 2.33 3.44 / 136 6.52e-38 2.04e-11
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		1.90 1.25 / 205 8.71e-03 2.18e-11
Hard Hard-band spectral fit with absorption 0.00e+00 1.90 1.26 / 204 7.65e-03 2.18e-11
Galactic NH 1.32e+20


Light Curve

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


Log File and Warnings

Log file

2005.06.21.11:37.70001000.seq

Warnings

Custom regions were used
List of warnings in log file

Missing products

All products are available


Previous Sequence
70000010
Next Sequence
70002000


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    Last Updated: Monday, 25-Jul-2005 15:14:44 EDT