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| SNRJ 0540.1-6919
Common Name: 0540-69.3 Distance: 50kpc(distance to LMC, Westerlund(1990) )Position of Central Source (J2000): ( 05 40 11.1, -69 19 55.2 )X-ray size: 1.2 x 1.1Description: Irregular shell, bright central pulsar and PWN | |
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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) | | 500006
| 119
| ACIS-56789
| 30.5 | 27.6 | 1999-11-22 | ( 05 40 11.0, -69 20 00.0 ) |
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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)central source shows Pile Up . Trailed Image of the central source is significant.
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| Chandra Event File
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 Click left mouse button on hyperlink below to download file | |
Obs. ID | Event 2 FITS File
(un-filtered) | Event 2 FITS File
(filtered) | AUX file
(asol, badpix etc.) | | 119 | 18.7 MB | 7.7 MB | 7.7 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 | 4.089e+04 | 1.479e+00 | 1.24e-11 | 2.55e-11 | 7.58e+36 |
| 0.3 - 2.1 | 3.043e+04 | 1.101e+00 | 3.31e-12 | 1.61e-11 | 4.79e+36 |
| 2.1 - 10.0 | 1.054e+04 | 3.813e-01 | 9.06e-12 | 9.39e-12 | 2.80e+36 |
| central source | 0.3 - 10.0 | 2.492e+04 | 9.016e-01 | 1.00e-11 | 1.42e-11 | 4.24e+36 |
| 0.3 - 2.1 | 1.592e+04 | 5.759e-01 | 2.02e-12 | 5.95e-12 | 1.77e+36 |
| 2.1 - 10.0 | 9.070e+03 | 3.281e-01 | 8.02e-12 | 8.30e-12 | 2.47e+36 |
| shell | 0.3 - 10.0 | 1.434e+04 | 5.188e-01 | 2.34e-12 | 1.12e-11 | 3.35e+36 |
| 0.3 - 2.1 | 1.316e+04 | 4.762e-01 | 1.29e-12 | 1.01e-11 | 3.02e+36 |
| 2.1 - 10.0 | 1.204e+03 | 4.357e-02 | 1.05e-12 | 1.09e-12 | 3.24e+35 |
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| NH = 0.5(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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Compact Sources | |
Obs. ID | Position (J2000) | Size | Net Count | Count rate | Note | | 119 | |
| ( 05 39 13.6, -69 22 11.4 ) | < 7.9" | 177.0 | 5.80e-03 | |
| ( 05 39 33.2, -69 19 41.8 ) | < 3.8" | 76.0 | 2.49e-03 | |
| ( 05 39 42.8, -69 19 43.3 ) | < 3.1" | 55.0 | 1.80e-03 | |
| ( 05 39 53.2, -69 19 14.7 ) | < 2.4" | 31.0 | 1.02e-03 | |
| ( 05 40 00.6, -69 19 19.0 ) | < 3.9" | 39.0 | 1.28e-03 | |
| ( 05 40 08.2, -69 17 12.6 ) | < 4.3" | 263.0 | 8.62e-03 | |
| ( 05 40 13.2, -69 22 46.9 ) | < 2.2" | 85.0 | 2.79e-03 | |
| ( 05 40 13.6, -69 22 57.5 ) | < 2.0" | 18.0 | 5.90e-04 | |
| ( 05 40 45.3, -69 14 51.5 ) | < 4.6" | 39.0 | 1.28e-03 | |
| ( 05 41 21.0, -69 18 50.5 ) | < 4.5" | 31.0 | 1.02e-03 | |
| ( 05 41 34.7, -69 19 36.9 ) | < 5.8" | 92.0 | 3.02e-03 | |
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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.
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References | |
| Gotthelf and Wang 2000, ApJ, 532L, 117 : Chandra HRC Hwang et al. 2001, ApJ, 560, 742 : Chandra ACIS imaging and spectroscopy Kaaret et al. 2001, ApJ, 546, 1159 : Chandra HRC and ACIS Manchester et al. 1993, ApJ, 411, 756 : ATCA 5 GHz and 1.5 Ghz radio observation Westerlund 1990, A&ARv, 2, 29 : Distance to LMC
