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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
71035020 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 : 539.49 sigma
Download Products (Full description of products)
All 71035020_v3.1_all.tar.gz Description
Imaging 71035020_v3.1_image.tar.gz Description
Spectral 71035020_v3.1_spectral.tar.gz Description
Timing 71035020_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 34816 6648
SIS1 34816 6296
GIS2 37376 8387
GIS3 37376 8381

Observation Information

Sequence : 71035020
ASCA object name : MR2251-178
Start date : 19 Dec 1993
Start time : 13:08:54
Start MJD : 49340.54785
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 		9310 577.2 8732.8 1.31e+00
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		7226 374.5 6851.5 1.09e+00
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		6144 273.9 5870.1 7.00e-01
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		7506 295.9 7210.1 8.60e-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 		1.43 1.33 / 342 4.62e-05 5.87e-11
Full Full-band spectral fit with absorption 1.14e+21 1.62 1.07 / 341 1.89e-01 5.47e-11
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		1.17 1.04 / 129 3.47e-01 1.53e-11
Soft Soft-band spectral fit with absorption 4.78e+20 1.36 1.03 / 128 3.84e-01 1.50e-11
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		1.61 1.05 / 204 2.96e-01 3.99e-11
Hard Hard-band spectral fit with absorption 7.94e+20 1.64 1.06 / 203 2.81e-01 3.98e-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

2005.07.08.08:33.71035020.seq

Warnings

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

Missing products

All products are available


Previous Sequence
71035010
Next Sequence
71035040


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    Last Updated: Monday, 25-Jul-2005 14:58:30 EDT