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| G120.1+01.4
Common Name: Tycho's Distance: 2.4kpc( Chevalier et al., 1980 )Center of X-ray emission (J2000): ( 00 25 19.9, 64 08 18.2 )X-ray size: 8.7'x8.6'Description: | |
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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) | | 500002
| 115
| ACIS-235678
| 48.4 | 48.4 | 2000-09-20 | ( 00 25 27.6, 64 09 14.7 ) |
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 | Exposureuf => Exposure time of unfiltered event file
Exposuref => Exposure time of filtered event file | |
| Images are incomplete ( ACIS-S3 covers most of the remnant while some easten part is covered by ACIS-S2.)No background light-curve filtering.
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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.) | | 115 | 233.6 MB | 233.6 MB | 13.2 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 | 4.691e+06 | 9.697e+01 | 5.12e-10 | 1.99e-09 | 1.37e+36 |
| 0.3 - 2.1 | 4.055e+06 | 8.382e+01 | 3.01e-10 | 1.76e-09 | 1.21e+36 |
| 2.1 - 10.0 | 6.425e+05 | 1.328e+01 | 2.12e-10 | 2.36e-10 | 1.62e+35 |
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| NH = 0.6(1022 cm-2) Assumed distance: 2.4kpc ( Chevalier et al., 1980 ) | - nH was derived by fitting the low energy spectum with one thermal plsama model.
- Flux value given above is NOT from whole SNR.
- see fit detail page for more about the fit.
- see chandra spectrum page for region used.
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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 | | 115 | |
| ( 00 24 29.9, 64 09 03.1 ) | < 3.8" | 48.4 | 1.00e-03 | |
| ( 00 24 37.1, 64 10 59.4 ) | < 2.7" | 70.6 | 1.46e-03 | |
| ( 00 24 40.7, 64 20 32.1 ) | < 16.2" | 414.0 | 8.56e-03 | |
| ( 00 24 51.4, 64 17 25.3 ) | < 8.7" | 71.2 | 1.47e-03 | |
| ( 00 24 52.5, 64 11 32.5 ) | < 2.7" | 14.7 | 3.04e-04 | |
| ( 00 25 02.5, 64 13 51.4 ) | < 3.3" | 33.4 | 6.90e-04 | |
| ( 00 25 58.0, 64 19 49.1 ) | < 20.1" | 39.0 | 8.06e-04 | |
| ( 00 26 21.5, 64 12 11.4 ) | < 12.6" | 130.0 | 2.69e-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 | |
| Bamba et al. 2005, ApJ, 621, 793 : Chandra, cosmic ray acceleration. Chevalier et al. 1980, ApJ, 235, 186 : Optical spectrum Hwang et al. 2002, ApJ, 581, 1101 : Chandra, forward shock Reynoso et al. 1997, ApJ, 491, 816 : VLA Warren et al. 2005, ApJ, 634, 376 : Chandra, cosmic ray acceleration.
