|
| |
| G184.6-05.8
Common Name: Crab Distance: 2kpc(??)Position of Central Source (J2000): ( 05 34 31.9, 22 00 51.8 )X-ray size: 2.3'x2.1'Description: | |
| 
| 
|
Radio | X-Ray |
|
| Summary of Chandra Observations
|
Sequence | Obs. ID | Detectors Used | Exposure uf
(ks) | Exposure f
(ks) | Date
Observed | Aimpoint (J2000)
(RA, Dec) | | 500171
| 1994
| ACIS-7
| 4.2 | 4.2 | 2000-11-03 | ( 05 34 31.6, 22 00 56.4 ) |
| 500173
| 1996
| ACIS-7
| 4.5 | 4.5 | 2000-11-25 | ( 05 34 31.6, 22 00 56.4 ) |
| 500175
| 1998
| ACIS-7
| 4.2 | 4.2 | 2000-12-18 | ( 05 34 31.6, 22 00 56.4 ) |
| 500176
| 1999
| ACIS-7
| 4.1 | 4.1 | 2001-01-09 | ( 05 34 31.6, 22 00 56.4 ) |
|
 | Exposureuf => Exposure time of unfiltered event file
Exposuref => Exposure time of filtered event file | |
| The remnant is covered by chip ACIS-S3(CCD_ID=7).Due to usage of the subarray some part of the remnants are missing in some observation.These observation were done with NO aspect dithering.No background light curve filtering was done.It seems that the central source is strongly affected by pileup.
|
| Chandra Event File
|
 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.) | | 1994 | 537.5 MB | 537.5 MB | 6.3 MB |
| 1996 | 606.3 MB | 606.3 MB | 7.2 MB |
| 1998 | 556.5 MB | 556.5 MB | 6.4 MB |
| 1999 | 555.8 MB | 555.8 MB | 6.3 MB |
|
| Chandra Counts and Fluxes
|
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 | 9.591e+06 | 2.328e+03 | 1.72e-08 | 2.88e-08 | 1.37e+37 |
| 0.3 - 2.1 | 7.048e+06 | 1.710e+03 | 5.08e-09 | 1.62e-08 | 7.73e+36 |
| 2.1 - 10.0 | 2.570e+06 | 6.236e+02 | 1.22e-08 | 1.26e-08 | 6.01e+36 |
|
| NH = 0.4(1022 cm-2) Assumed distance: 2kpc (??) |
|
| Chandra Images
|
| Images in Several Energy BandsTrue Color ImageEquivalent Width Map
|
Chandra Spectra | |
| Spectra of Several Regions
|
Other Wavelengths | |
| Radio ImagesSurvey Missions
|
Nearby Sources | |
Obs. ID | Position (J2000) | Size | Net Count | Count rate | Note | | 1994 | |
| 1996 | |
| 1998 | |
| 1999 | |
|
| |
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.
|
References | |
| Mori et al. 2004, ApJ, 609, 186 : Chandra, PWN spectra Seward et al. 2006, ApJ, 652, : Chandra, dust-scattered halo Seward et al. 2006, ApJ, 636, 873 : Chandra, PWN Weisskopf et al. 2001, ApJ, 536L, 81 :
