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G34.7-0.4

  • Common Name: W44
  • Distance: 3kpc( Caswell et al., 1975 )
  • Position of Central Source (J2000): ( 18 55 58.3, 01 19 53.9 )
  • X-ray size: 32'x18'
  • Description:
Not available1958/work/tr2.jpg
RadioX-Ray


Summary of Chandra Observations

SequenceObs. IDDetectors UsedExposure uf
(ks)
Exposure f
(ks)
Date
Observed
Aimpoint (J2000)
(RA, Dec)
500135 1958 ACIS-356789 45.6 45.6 2000-10-31 ( 18 55 59.3, 01 20 07.0 )


Exposureuf => Exposure time of unfiltered event file
Exposuref => Exposure time of filtered event file
  • Images are incomplete ( ACIS-S cover most of the remnant )
  • No background light-curve filtering.

Chandra Event File

Click left mouse button on hyperlink below to download file
Obs. IDEvent 2 FITS File
(un-filtered)
Event 2 FITS File
(filtered)
AUX file
(asol, badpix etc.)
1958 45.4 MB 45.4 MB 11.8 MB


Chandra Counts and Fluxes

RegionEnergy Range
(keV)
Signal
(counts)
Rate
(counts s-1)
FabsX
(ergs cm-2s-1)
FX
(ergs cm-2s-1)
LX
(ergs s-1)
Central Region 0.3 - 10.0 2.230e+05 4.896e+00 2.49e-11 9.27e-11 9.95e+34
0.3 - 2.1 1.735e+05 3.808e+00 1.67e-11 8.31e-11 8.91e+34
2.1 - 10.0 5.005e+04 1.099e+00 8.28e-12 9.75e-12 1.05e+34


NH = 0.8(1022 cm-2) Assumed distance: 3kpc ( Caswell et al., 1975 )

Chandra Images



Chandra Spectra



Other Wavelengths



Compact Sources

Obs. IDPosition (J2000)SizeNet CountCount rateNote
1958
( 18 54 58.4, 01 18 47.0 ) < 35.6" 327.0 7.18e-03
( 18 55 52.0, 01 12 48.3 ) < 7.5" 37.3 8.19e-04
( 18 56 04.2, 01 11 25.2 ) < 9.6" 224.0 4.92e-03
( 18 56 10.7, 01 13 23.2 ) < 7.3" 188.0 4.13e-03


  1. This list is not complete. Sources are obvious and usually within or close to the remnant. The size refers to the appearance of the source and can be larger for off-axis sources.


References



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Chandra Supernova Remnant Catalog
Main Page | Galactic SNR | Magellanic Cloud SNR
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