Supernova Remnant G021.8-00.6
Image Downloads
Processed JPG
multiwavelength G021.8-00.6_RX_GAL_axes.jpg Size: 1.24 MB
radio G021.8-00.6_R_GAL_axes.jpg Size: 69.50 KB
keV G021.8-00.6_X_GAL_axes.jpg Size: 117.40 KB
Unprocessed FITS
keV G021.8-00.6_XMM.fits Size: 5.83 MBradio G021.8-00.6_1.42E09_VLAH.fits Size: 4.01 MB
Description
Identification
- Id: G021.8-00.6
- Unique ID: G021.8-00.6
- Previous IDs:
- Other Names: Kes 69
- Supernova Event:
Location
- J2000 R.a.: 18:32:45
- J2000 Dec.: -10:08:00
- J2000 From: Green J coord
- Constellation: Sct
Environment
- Context:
- Cloud Interaction: certain
- Cloud Interaction Reference
Age
- Shell: 8800 - 9200 yr
- Pulsar:
- Age Reference
Distance
- Shell: 4.1 - 5.8 kpc
- Pulsar:
- Distance Reference
Properties
- Radio Index: 0.56
- Radio Size: 20'
- X-ray Size:
- Type: thermal composite
- Type Reference
- Magnetic Field: mixed ?
- Magnetic Field Reference
High-energy observations
| ID | Energy | Instrument | Resolution | Source Of Emission | Last Record | Published Papers | Web Pages |
|---|---|---|---|---|---|---|---|
| TeV | HESS | missed | 2011 | 2011PhDT.......329B | |||
| GeV | Fermi | missed | 2018 | 2018MNRAS.481.1416S 2016ApJS..224....8A 2015ApJS..218...23A 2012ApJS..199...31N 2010ApJS..188..405A |
|||
| keV | XMM-Newton | detected | ejecta fragments? unrelated cataclysmic variables? | 2013 | 2013JASS...30...87S 2012A&A...541A.152B |
||
| keV | Suzaku | extended | shell, CR+cloud? | 2023 | 2023PASJ...75.1273Y 2018MNRAS.481.1416S 2018ApJ...854...87N |
||
| keV | ROSAT | extended | shell? | 2003 | 2003ApJ...585..319Y | ||
| keV | Einstein | extended | ? | 1990 | 1990ApJS...73..781S | ||
| keV | ASCA | detected | shell? | 2003 | 2003ApJ...585..319Y |
External Resources
Green CatalogueCATS Database
Data as of 2025-03-17 - Web site version 2.0