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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
70000010 NGC 4151
DETECTED

Object Information and Products

Object name : NGC 4151
RA (J2000) : 12 10 32.50
Dec (J2000) : +39 24 21.0
Detection significance : 1042.66 sigma
Download Products (Full description of products)
All 70000010_v3.1_all.tar.gz Description
Imaging 70000010_v3.1_image.tar.gz Description
Spectral 70000010_v3.1_spectral.tar.gz Description
Timing 70000010_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 49184 13249
SIS1 49184 13397
GIS2 19439 7815
GIS3 49184 18481

Observation Information

Sequence : 70000010
ASCA object name : NGC4151
Start date : 05 Nov 1993
Start time : 08:28:01
Start MJD : 49296.35280
SIS clocking mode : 2 CCDs
SIS data mode : BRIGHT2
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 4151 12 10 32.50 +39 24 21.0 0.003 SEYFERT TYPE 1.5
1207+39W4 12 10 26.60 +39 29 08.0 0.617 BL LAC
NGC 4156 12 10 49.70 +39 28 22.0 0.022 AGN UNCLASSIFIED
RXS J12102+3918 12 10 16.60 +39 18 16.0 0.022 AGN UNCLASSIFIED
Q 1208+3950 12 11 11.30 +39 33 21.0 1.5 QSO
1207+39W3 12 09 43.30 +39 36 42.0 2.334 QSO
12076+399 12 10 10.20 +39 39 36.0 2.4 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
jpeg gif 		Smooothed SIS0 detector image
jpeg gif 		32885 2134.1 30750.9 2.32e+00
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		26759 1702.5 25056.5 1.87e+00
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		18514 661.8 17852.2 2.28e+00
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		42815 1424.1 41390.9 2.24e+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 NO
FIT 		NO
FIT 		NO
FIT 		NO
FIT 		NO
FIT
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		-1.00 3.19 / 127 9.98e-31 8.30e-12
Soft Soft-band spectral fit with absorption 5.45e+20 -1.00 3.15 / 126 8.25e-30 8.21e-12
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		0.71 5.25 / 209 0.00e+00 2.10e-10
Hard Hard-band spectral fit with absorption 2.34e+22 1.37 1.25 / 208 7.38e-03 1.86e-10
Galactic NH 1.98e+20


Light Curve

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


Log File and Warnings

Log file

2005.06.21.11:03.70000010.seq

Warnings

Custom regions were used
Some unscreened SIS events files were hidden
Unsuccessful spectral fit(s)
List of warnings in log file

Missing products

All products are available


Previous Sequence
70000000
Next Sequence
70001000


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    Last Updated: Monday, 25-Jul-2005 15:14:39 EDT