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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
70009000 MRK 841
DETECTED

Object Information and Products

Object name : MRK 841
RA (J2000) : 15 04 01.20
Dec (J2000) : +10 26 16.0
Detection significance : 367.28 sigma
Download Products (Full description of products)
All 70009000_v3.1_all.tar.gz Description
Imaging 70009000_v3.1_image.tar.gz Description
Spectral 70009000_v3.1_spectral.tar.gz Description
Timing 70009000_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 78240 30274
SIS1 78240 29943
GIS2 78240 34291
GIS3 78240 34291

Observation Information

Sequence : 70009000
ASCA object name : MARKARIAN841
Start date : 22 Aug 1993
Start time : 02:11:59
Start MJD : 49221.09166
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
jpeg gif jpeg gif jpeg gif


Veron Name
(with NED link) 		RA (J2000) Dec (J2000) Redshift Type
MARK 841 15 04 01.20 +10 26 16.0 0.036 SEYFERT TYPE 1.5
PKS 1502+106 15 04 24.90 +10 29 40.0 1.833 AGN UNCLASSIFIED
15 04 28.50 +10 18 57.0 1 QSO
1WGA J1503.7+1018 15 03 40.40 +10 16 04.0 0.095 SEYFERT
15 03 05.70 +10 06 13.0 1.59 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 		16845 2514.2 14330.8 4.73e-01
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		13572 1954.1 11617.9 3.88e-01
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		8485 923.9 7561.1 2.20e-01
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		10563 989.2 9573.8 2.79e-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 		1.76 1.14 / 352 3.71e-02 1.95e-11
Full Full-band spectral fit with absorption 0.00e+00 1.76 1.14 / 351 3.42e-02 1.95e-11
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		1.74 1.15 / 137 1.14e-01 7.20e-12
Soft Soft-band spectral fit with absorption 0.00e+00 1.74 1.16 / 136 1.03e-01 7.20e-12
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		1.74 1.14 / 206 8.81e-02 1.27e-11
Hard Hard-band spectral fit with absorption 2.08e+21 1.81 1.14 / 205 8.57e-02 1.25e-11
Galactic NH 2.34e+20


Light Curve

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


Log File and Warnings

Log file

2005.06.21.16:07.70009000.seq

Warnings

Custom regions were used
List of warnings in log file

Missing products

All products are available


Previous Sequence
70008000
Next Sequence
70010000


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    Last Updated: Monday, 25-Jul-2005 15:15:18 EDT