 Shell structure of G299.2-2.9 | |
| Event type | Supernova remnant  |
|---|---|
| SN Ia | |
| Constellation | Musca |
| Right ascension | 12h 15m 13.0s[1] |
| Declination | −65° 30′ 00″[1] |
| Epoch | J2000 |
| Distance | 16,000 ly |
| Remnant | Mixed Morphology |
| Host | Milky Way |
| Notable features | Complex outer shell structure |
| Other designations | SNR G299.2-02.9 |
 Related media on Commons | |
G299.2-2.9 is a supernova remnant in the Milky Way, 16,000 light years from Earth.[2] It is the remains of a Type Ia supernova.[3] The observed radius of the remnant shell translates to approximately 4,500 years of expansion,[4] making it one of the oldest observed Type Ia supernova remnants.[5]
- ^ a b "SNR G299.2-02.9". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2024-11-18.
- ^ Park, Sangwook; Slane, Patrick O.; Hughes, John P.; Mori, Koji; Burrows, David N.; Garmire, Gordon P. (2007-08-20). "Chandra X-Ray Study of Galactic Supernova Remnant G299.2-2.9". The Astrophysical Journal. 665 (2): 1173–1181. arXiv:0706.0524. Bibcode:2007ApJ...665.1173P. doi:10.1086/520105. ISSN 0004-637X.
- ^ "INSPIRE". inspirehep.net. Retrieved 2024-03-21.
- ^ Park, Sangwook; Slane, Patrick O.; Hughes, John P.; Mori, Koji; Burrows, David N.; Garmire, Gordon P. (2007-08-20). "Chandra X-Ray Study of Galactic Supernova Remnant G299.2–2.9". The Astrophysical Journal. 665 (2): 1173. arXiv:0706.0524. Bibcode:2007ApJ...665.1173P. doi:10.1086/520105. ISSN 0004-637X.
- ^ "Supernovas & Supernova Remnants | ChandraBlog | Fresh Chandra News". chandra.harvard.edu. Retrieved 2024-04-18.