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| SNR 0509-68.7
Common Name: N 103B Distance: 50kpc(distance to LMC, Westerlund(1990) )Center of X-ray emission (J2000): ( 05 08 59.7, -68 43 35.5 )X-ray size: 0.50x0.49Description: Small irregular shell | |
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Radio | X-Ray |
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| Summary of Chandra Observations
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Sequence | Obs. ID | Detectors Used | Exposure uf
(ks) | Exposure f
(ks) | Date
Observed | Aimpoint (J2000)
(RA, Dec) | | 500012
| 125
| ACIS-23678
| 40.3 | 32.4 | 1999-12-04 | ( 05 08 59.0, -68 43 30.0 ) |
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 | Exposureuf => Exposure time of unfiltered event file
Exposuref => Exposure time of filtered event file | |
| The whole remnant is covered by chip ACIS-S3(CCD_ID=7)
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| Chandra Event File
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 Netscape users, "Shift + left mouse button" will download file | |
Obs. ID | Event 2 FITS File
(un-filtered) | Event 2 FITS File
(filtered) | AUX file
(asol, badpix etc.) | | 125 | 69.0 MB | 38.8 MB | 10.3 MB |
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| Chandra Counts and Fluxes
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Region | Energy 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 | 2.261e+05 | 6.982e+00 | 2.19e-11 | 5.94e-11 | 1.77e+37 |
| 0.3 - 2.1 | 2.168e+05 | 6.694e+00 | 1.88e-11 | 5.61e-11 | 1.67e+37 |
| 2.1 - 10.0 | 9.437e+03 | 2.914e-01 | 3.16e-12 | 3.37e-12 | 1.00e+36 |
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| NH = 0.3(1022 cm-2) Assumed distance: 50kpc (distance to LMC, Westerlund(1990) ) |
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| Chandra Images
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| Images in Several Energy BandsTrue Color ImageEquivalent Width Map
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Chandra Spectra | |
| Spectra of Several Regions
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Other Wavelengths | |
| Radio ImagesSurvey Missions
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Nearby Sources | |
Obs. ID | Position (J2000) | Size | Net Count | Count rate | Note | | 125 | |
| ( 05 07 36.3, -68 47 52.7 ) | < 14.1" | 322.0 | 7.99e-03 | |
| ( 05 08 03.1, -68 40 16.5 ) | < 7.2" | 67.9 | 1.69e-03 | |
| ( 05 08 08.4, -68 40 46.4 ) | < 6.1" | 135.0 | 3.35e-03 | |
| ( 05 08 12.9, -68 44 35.6 ) | < 5.9" | 61.3 | 1.52e-03 | |
| ( 05 08 32.7, -68 54 29.1 ) | < 17.6" | 881.0 | 2.19e-02 | |
| ( 05 08 48.0, -68 45 53.7 ) | < 2.5" | 5.0 | 1.24e-04 | |
| ( 05 09 06.8, -68 39 37.2 ) | < 3.6" | 49.2 | 1.22e-03 | |
| ( 05 09 17.1, -68 40 52.9 ) | < 1.8" | 34.7 | 8.61e-04 | |
| ( 05 09 39.8, -68 53 25.4 ) | < 15.5" | 51.2 | 1.27e-03 | |
| ( 05 09 48.2, -68 39 57.5 ) | < 3.1" | 19.7 | 4.89e-04 | |
| ( 05 10 09.3, -68 52 52.0 ) | < 16.2" | 117.0 | 2.90e-03 | |
| ( 05 10 22.7, -68 39 12.8 ) | < 8.8" | 53.4 | 1.33e-03 | |
| ( 05 10 22.8, -68 50 57.9 ) | < 16.3" | 51.9 | 1.29e-03 | |
| ( 05 10 26.1, -68 52 31.7 ) | < 19.2" | 51.2 | 1.27e-03 | |
| ( 05 10 36.4, -68 40 29.7 ) | < 10.3" | 50.9 | 1.26e-03 | |
| ( 05 10 45.9, -68 56 28.8 ) | < 33.6" | 675.0 | 1.68e-02 | |
| ( 05 10 48.3, -68 45 25.7 ) | < 12.3" | 1080.0 | 2.68e-02 | |
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This nearby source list is incomplete. All the above sources are originally from the "src2.fits" file which is distributed with standard Chandra processing. Only sources with significant count rate and which are clear to visual inspection are included.The size given above is the size of the region used in detecting that source.For each source, background was subtracted from an annular region around the source.
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References | |
| Dickel and Milne 1995, AJ, 109, 200 : ATCA Lewis et al. 2003, ApJ, 582, 770 : Chandra ACIS Westerlund 1990, A&ARv, 2, 29 : Distance to LMC
