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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
71035000 MR 2251-178
DETECTED

Object Information and Products

Object name : MR 2251-178
RA (J2000) : 22 54 05.90
Dec (J2000) : -17 34 55.0
Detection significance : 419.32 sigma
Download Products (Full description of products)
All 71035000_v3.1_all.tar.gz Description
Imaging 71035000_v3.1_image.tar.gz Description
Spectral 71035000_v3.1_spectral.tar.gz Description
Timing 71035000_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 17800 3559
SIS1 17800 3162
GIS2 18176 4116
GIS3 18176 4116

Observation Information

Sequence : 71035000
ASCA object name : MR2251-178
Start date : 06 Nov 1993
Start time : 10:00:57
Start MJD : 49297.41733
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
MR 2251-178 22 54 05.90 -17 34 55.0 0.068 SEYFERT TYPE 1.5
NPM1G-17.0499 22 53 44.10 -17 35 35.0 0.068 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 		6553 308.1 6244.9 1.75e+00
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		4797 150.1 4646.9 1.47e+00
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		3905 155.1 3749.9 9.11e-01
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		4934 162.8 4771.2 1.16e+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 		1.52 0.92 / 317 8.46e-01 7.33e-11
Full Full-band spectral fit with absorption 5.43e+20 1.62 0.87 / 316 9.53e-01 7.05e-11
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		1.37 0.92 / 124 7.27e-01 2.12e-11
Soft Soft-band spectral fit with absorption 2.03e+20 1.45 0.92 / 123 7.15e-01 2.11e-11
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		1.57 0.85 / 184 9.30e-01 5.09e-11
Hard Hard-band spectral fit with absorption 2.73e+21 1.68 0.85 / 183 9.30e-01 4.99e-11
Galactic NH 2.70e+20


Light Curve

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


Log File and Warnings

Log file

2005.07.08.07:26.71035000.seq

Warnings

Some unscreened SIS events files were hidden
List of warnings in log file

Missing products

All products are available


Previous Sequence
71034000
Next Sequence
71035010


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    Last Updated: Monday, 25-Jul-2005 14:58:26 EDT