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71019030 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 : 1161.65 sigma
Download Products (Full description of products)
All 71019030_v3.1_all.tar.gz Description
Imaging 71019030_v3.1_image.tar.gz Description
Spectral 71019030_v3.1_spectral.tar.gz Description
Timing 71019030_v3.1_timing.tar.gz Description



Observing Times
Elapsed (s) Exposure (s)
SIS0 24616 11202
SIS1 24616 10829
GIS2 24932 12487
GIS3 24932 12487

Observation Information

Sequence : 71019030
ASCA object name : NGC4151
Start date : 04 Dec 1993
Start time : 02:24:58
Start MJD : 49325.10068
SIS clocking mode : 2 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
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
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Smooothed SIS0 detector image
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27617 1698.3 25918.7 2.31e+00
SIS1 Unsmoothed SIS1 detector image
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Smooothed SIS1 detector image
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21613 1061.0 20552.0 1.90e+00
GIS2 Unsmoothed GIS2 detector image
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Smooothed GIS2 detector image
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25294 985.4 24308.6 1.95e+00
GIS3 Unsmoothed GIS3 detector image
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Smooothed GIS3 detector image
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29654 982.5 28671.5 2.30e+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 2.49e+22 0.90 7.16 / 349 0.00e+00 2.52e-10
Soft Soft-band spectral fit no absorption Unabsorbed
Model
-0.82 3.48 / 130 2.47e-37 5.23e-12
Soft Soft-band spectral fit with absorption 0.00e+00 -0.82 3.51 / 129 1.31e-37 5.23e-12
Hard Hard-band spectral fit no absorption Unabsorbed
Model
0.29 13.00 / 211 0.00e+00 2.75e-10
Hard Hard-band spectral fit with absorption 4.32e+22 1.34 1.54 / 210 9.52e-07 2.32e-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

2005.07.07.21:06.71019030.seq

Warnings

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

Missing products

All products are available



Previous Sequence
71019020
Next Sequence
71020000


FirstGov logo + Privacy Policy and Important Notices NASA Curator: Jane Turner
NASA Official: Phil Newman
Last Updated: Monday, 25-Jul-2005 14:57:50 EDT