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: http://hea-www.harvard.edu/ChandraSNR/G074.0-08.5NE/
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| G074.0-08.5NE
Common Name: Cygnus Loop NE Distance: 0.5kpc( )Center of X-ray emission (J2000): ( 20 51 00.0, 30 40 00.0 )X-ray size: 160'x230'Description: large, nearby, bright shell | |
| Not available | ![2821/work/tr2.jpg](2821/work/tr2.jpg)
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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) | 500271
| 2821
| ACIS-235678
| 58.5 | 54.8 | 2001-12-24 | ( 20 54 31.0, 32 17 59.4 ) |
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![](/ChandraSNR/graphics/note_small.gif) | Exposureuf => Exposure time of unfiltered event file Exposuref => Exposure time of filtered event file | |
| spectrum and luminosity from only small section of NE rimonly chip c7 used in analysis
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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.) | 2821 | 106.4 MB | 93.8 MB | 15.3 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) | | 0.3 - 10.0 | 8.892e+05 | 1.623e+01 | 8.16e-11 | 9.47e-11 | 2.82e+33 |
0.3 - 2.1 | 8.844e+05 | 1.614e+01 | 8.16e-11 | 9.46e-11 | 2.82e+33 |
2.1 - 10.0 | 4.830e+03 | 8.814e-02 | 3.13e-15 | 3.14e-15 | 9.35e+28 |
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![](/ChandraSNR/graphics/note_small.gif) | NH = 0.0(1022 cm-2) Assumed distance: 0.5kpc ( ) |
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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 | 2821 | |
| ( 20 54 22.3, 32 16 55.1 ) | < 1.0" | 212.0 | 3.62e-03 | |
| ( 20 54 50.8, 32 13 24.8 ) | < 1.0" | 235.0 | 4.02e-03 | |
| ( 20 54 52.7, 32 14 11.3 ) | < 1.0" | 570.0 | 9.74e-03 | |
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![](/ChandraSNR/graphics/note_small.gif) | |
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 | |
| Gaetz et al 2004, AAS, 20510620 : abstract only Katsuda et al. 2008, ApJ, 680, 1198 : Chandra observation