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G31.9+0.0

  • Common Name: 3c391
  • Distance: 8kpc(Chen et al 2004)
  • Center of X-ray emission (J2000): ( 18 49 27.5, 00 56 37.3 )
  • X-ray size: 7.4'x6'
  • Description:
Not available2786/work/tr2.jpg
RadioX-Ray


Summary of Chandra Observations

SequenceObs. IDDetectors UsedExposure uf
(ks)		Exposure f
(ks)		Date
Observed		Aimpoint (J2000)
(RA, Dec)
500236 2786 ACIS-235678 60.9 60.4 2002-08-03 ( 18 49 28.3, 00 56 15.0 )


Exposureuf => Exposure time of unfiltered event file
Exposuref => Exposure time of filtered event file

    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.)
    2786 18.6 MB 8.2 MB 15.9 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)
    total 0.3 - 10.0 6.542e+04 1.084e+00 7.03e-12 6.23e-10 4.75e+36
    0.3 - 2.1 5.174e+04 8.570e-01 3.49e-12 6.17e-10 4.70e+36
    2.1 - 10.0 1.394e+04 2.310e-01 3.56e-12 6.50e-12 4.96e+34


    NH = 3.1(1022 cm-2) Assumed distance: 8kpc (Chen et al 2004)

    Chandra Images



    Chandra Spectra



    Other Wavelengths



    Compact Sources

    Obs. IDPosition (J2000)SizeNet CountCount rateNote
    2786
    ( 18 48 40.2, -1 00 27.8 ) < 24.1" 36.5 6.00e-04
    ( 18 48 41.2, 00 53 22.0 ) < 24.4" 64.2 1.05e-03
    ( 18 48 52.5, 00 56 57.8 ) < 8.1" 332.0 5.45e-03
    ( 18 48 52.6, 00 56 57.6 ) < 7.7" 327.0 5.37e-03
    ( 18 48 58.1, -1 12 02.4 ) < 40.1" 315.0 5.18e-03
    ( 18 48 58.8, 00 50 27.0 ) < 13.5" 164.0 2.69e-03
    ( 18 48 59.1, -1 07 15.6 ) < 22.4" 92.4 1.52e-03
    ( 18 48 59.9, -1 00 08.3 ) < 6.3" 36.2 5.95e-04
    ( 18 49 05.4, 00 49 29.3 ) < 13.0" 228.0 3.75e-03
    ( 18 49 05.5, -1 01 39.3 ) < 6.7" 18.4 3.02e-04
    ( 18 49 09.6, 00 59 04.2 ) < 3.7" 74.3 1.22e-03
    ( 18 49 11.4, -1 01 03.0 ) < 4.7" 23.4 3.84e-04
    ( 18 49 16.1, 00 58 27.0 ) < 2.2" 25.4 4.17e-04
    ( 18 49 20.1, -1 02 57.0 ) < 6.1" 23.7 3.89e-04
    ( 18 49 26.1, -1 00 24.0 ) < 1.7" 20.0 3.29e-04
    ( 18 49 44.7, 00 54 27.4 ) < 7.3" 172.0 2.83e-03
    ( 18 49 50.9, 00 48 38.0 ) < 25.9" 123.0 2.02e-03
    ( 18 49 51.2, 00 54 05.4 ) < 12.3" 66.5 1.09e-03
    ( 18 49 52.1, 00 48 12.3 ) < 27.9" 92.6 1.52e-03
    ( 18 49 52.6, 00 52 09.7 ) < 16.5" 89.7 1.47e-03
    ( 18 49 56.9, 00 51 57.2 ) < 19.6" 51.3 8.43e-04


    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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