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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
74101000 Zw 478.002
DETECTED

Object Information and Products

Object name : Zw 478.002
RA (J2000) : 23 55 48.20
Dec (J2000) : +25 30 33.0
Detection significance : 31.1 sigma
Download Products (Full description of products)
All 74101000_v3.1_all.tar.gz Description
Imaging 74101000_v3.1_image.tar.gz Description
Spectral 74101000_v3.1_spectral.tar.gz Description
Timing 74101000_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 83232 2034
SIS1 43183 1762
GIS2 83397 2066
GIS3 83397 2186

Observation Information

Sequence : 74101000
ASCA object name : VV697
Start date : 06 Jul 1996
Start time : 14:16:01
Start MJD : 50270.59447
SIS clocking mode : 2 CCDs
SIS data mode : BRIGHT2
GIS3 channels : 1024
Event threshold : The effective event threshold changes.
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
Zw 478.002 23 55 48.20 +25 30 33.0 0.057 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 		321 62.6 258.4 1.27e-01
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		256 28.7 227.3 1.29e-01
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		188 47.6 140.4 6.79e-02
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		238 48.0 190.0 8.69e-02


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 		1.98 0.70 / 31 8.96e-01 4.40e-12
Full Full-band spectral fit with absorption 2.58e+21 2.52 0.53 / 30 9.83e-01 3.67e-12
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		1.74 0.65 / 18 8.61e-01 1.91e-12
Soft Soft-band spectral fit with absorption 3.31e+21 3.00 0.54 / 17 9.32e-01 1.66e-12
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		3.00 0.49 / 4 7.43e-01 2.00e-12
Hard Hard-band spectral fit with absorption 0.00e+00 3.00 0.65 / 3 6.79e-02 1.99e-12
Galactic NH 4.43e+20


Light Curve

Full-band SIS light curve Combined SIS0 + SIS1 0.6-10 keV light curve


Log File and Warnings

Log file

2005.07.14.14:20.74101000.seq

Warnings

Effective event threshold changed
List of warnings in log file

Missing products

74101000_sis_src_5760s_full2.flc
74101000_sis_src_5760s_hard.flc
74101000_sis_src_5760s_soft2.flc
74101000_sis_src_5760s.flc
74101000_sis_src_5760s_soft.flc
74101000_sis_bgd_5760s_full2.flc
74101000_sis_bgd_5760s.flc


Previous Sequence
74099000
Next Sequence
74101010


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