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Tartarus Home Tartarus at Imperial College London ASCA Sequence List
70026000 3C 279
DETECTED

Object Information and Products

Object name : 3C 279
RA (J2000) : 12 56 11.10
Dec (J2000) : -05 47 21.0
Detection significance : 292.75 sigma
Download Products (Full description of products)
All 70026000_v3.1_all.tar.gz Description
Imaging 70026000_v3.1_image.tar.gz Description
Spectral 70026000_v3.1_spectral.tar.gz Description
Timing 70026000_v3.1_timing.tar.gz Description


Observing Times
Elapsed (s) Exposure (s)
SIS0 90751 37194
SIS1 90751 36732
GIS2 90751 36996
GIS3 90751 36986

Observation Information

Sequence : 70026000
ASCA object name : 3C279
Start date : 21 Jun 1993
Start time : 22:08:50
Start MJD : 49159.92281
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
3C 279 12 56 11.10 -05 47 21.0 0.538 AGN UNCLASSIFIED
MS 12536-0539 12 56 12.80 -05 56 29.0 0.42 SEYFERT TYPE 2
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 		13403 1972.7 11430.3 3.07e-01
SIS1 Unsmoothed SIS1 detector image
jpeg gif 		Smooothed SIS1 detector image
jpeg gif 		11112 1437.1 9674.9 2.63e-01
GIS2 Unsmoothed GIS2 detector image
jpeg gif 		Smooothed GIS2 detector image
jpeg gif 		6608 822.3 5785.7 1.56e-01
GIS3 Unsmoothed GIS3 detector image
jpeg gif 		Smooothed GIS3 detector image
jpeg gif 		8057 874.7 7182.3 1.94e-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 		1.70 1.16 / 348 2.06e-02 1.29e-11
Full Full-band spectral fit with absorption 4.73e+20 1.80 1.11 / 347 7.84e-02 1.24e-11
Soft Soft-band spectral fit no absorption Unabsorbed
Model 		1.61 1.20 / 131 6.16e-02 4.49e-12
Soft Soft-band spectral fit with absorption 7.00e+20 1.89 1.14 / 130 1.31e-01 4.35e-12
Hard Hard-band spectral fit no absorption Unabsorbed
Model 		1.77 1.05 / 208 2.96e-01 8.17e-12
Hard Hard-band spectral fit with absorption 0.00e+00 1.77 1.06 / 207 2.80e-01 8.17e-12
Galactic NH 2.21e+20


Light Curve

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


Log File and Warnings

Log file

2005.06.22.01:46.70026000.seq

Warnings

No warnings

Missing products

All products are available


Previous Sequence
70025000
Next Sequence
71001000


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    Last Updated: Monday, 25-Jul-2005 15:16:29 EDT