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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
71040000 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 : 228.06 sigma
Download Products (Full description of products)
All 71040000_v3.1_all.tar.gz Description
Imaging 71040000_v3.1_image.tar.gz Description
Spectral 71040000_v3.1_spectral.tar.gz Description
Timing 71040000_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 59628 20571
SIS1 59628 19181
GIS2 59504 18941
GIS3 59504 18939

Observation Information

Sequence : 71040000
ASCA object name : MKN841
Start date : 21 Feb 1994
Start time : 22:01:29
Start MJD : 49404.91770
SIS clocking mode : 2 CCDs
SIS data mode : BRIGHT
GIS3 channels : 128
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
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 		8923 1107.3 7815.7 3.80e-01
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		6916 665.6 6250.4 3.26e-01
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		4226 515.8 3710.2 1.96e-01
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		5306 567.1 4738.9 2.50e-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 		1.58 0.89 / 314 9.29e-01 1.56e-11
Full Full-band spectral fit with absorption 0.00e+00 1.58 0.89 / 313 9.23e-01 1.56e-11
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		1.59 0.83 / 109 9.02e-01 4.86e-12
Soft Soft-band spectral fit with absorption 0.00e+00 1.59 0.84 / 108 8.89e-01 4.86e-12
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		1.61 0.92 / 196 7.83e-01 1.08e-11
Hard Hard-band spectral fit with absorption 3.03e+21 1.71 0.92 / 195 7.86e-01 1.05e-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

2005.07.08.14:00.71040000.seq

Warnings

Custom regions were used
List of warnings in log file

Missing products

All products are available


Previous Sequence
71039000
Next Sequence
71041000


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    Last Updated: Monday, 25-Jul-2005 14:58:51 EDT