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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
70022000 E 1821+643
DETECTED

Object Information and Products

Object name : E 1821+643
RA (J2000) : 18 21 57.20
Dec (J2000) : +64 20 36.0
Detection significance : 525.7 sigma
Download Products (Full description of products)
All 70022000_v3.1_all.tar.gz Description
Imaging 70022000_v3.1_image.tar.gz Description
Spectral 70022000_v3.1_spectral.tar.gz Description
Timing 70022000_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 88128 40160
SIS1 88128 33974
GIS2 88416 43888
GIS3 88416 43888

Observation Information

Sequence : 70022000
ASCA object name : E1821+643
Start date : 19 Jun 1993
Start time : 20:27:15
Start MJD : 49157.85226
SIS clocking mode : 1 CCD
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
KUV 18217+6419 18 21 57.20 +64 20 36.0 0.297 SEYFERT TYPE 1
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 		27167 3239.8 23927.2 5.96e-01
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		19123 1945.9 17177.1 5.06e-01
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		14422 1336.4 13085.6 2.98e-01
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		16997 1399.7 15597.3 3.55e-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 		1.81 0.96 / 348 6.93e-01 2.41e-11
Full Full-band spectral fit with absorption 2.25e+20 1.86 0.93 / 347 8.11e-01 2.37e-11
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		1.77 1.06 / 131 2.98e-01 9.34e-12
Soft Soft-band spectral fit with absorption 2.27e+20 1.86 1.05 / 130 3.26e-01 9.23e-12
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		1.85 0.82 / 208 9.69e-01 1.49e-11
Hard Hard-band spectral fit with absorption 0.00e+00 1.85 0.83 / 207 9.66e-01 1.49e-11
Galactic NH 4.04e+20


Light Curve

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


Log File and Warnings

Log file

2005.06.21.23:27.70022000.seq

Warnings

No warnings

Missing products

All products are available


Previous Sequence
70021000
Next Sequence
70023000


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    Last Updated: Monday, 25-Jul-2005 15:16:13 EDT