Swift J1818.0–1607
Appearance
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![]() Chandra X-ray Observatory image of Swift J1818.0–1607 (pink) composited with an infrared photograph of its location in the sky | |
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Sagittarius |
Right ascension | 18h 18m 00.23s[1] |
Declination | –16° 07′ 53.0″[1] |
Characteristics | |
Spectral type | Magnetar |
Astrometry | |
Distance | 4800–8100 pc[2] |
Details | |
Rotation | 1.363489(3) s (X-ray)[2]: 4 1.3635273(4) s (radio)[2]: 4 |
Age | 500 years[3] or 240[2] years |
Other designations | |
Swift J1818–1607, PSR J1818–1607 | |
Database references | |
SIMBAD | data |
Swift J1818.0–1607 is a young magnetar and soft gamma repeater, with an estimated age between 240 and 500 years.[3] It was discovered by NASA's Neil Gehrels Swift Observatory when it exhibited an X-ray burst on 12 March 2020.[4][5]
References
[edit]- ^ a b "SWIFT J1818.0-1607 -- Neutron Star". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 7 March 2023.
- ^ a b c d Esposito, P.; Rea, N.; Borghese, A.; Coti Zelati, F.; Viganò, D.; Israel, G. L.; et al. (June 2020). "A Very Young Radio-loud Magnetar". The Astrophysical Journal Letters. 896 (2): 8. arXiv:2004.04083. Bibcode:2020ApJ...896L..30E. doi:10.3847/2041-8213/ab9742. S2CID 215415773. L30.
- ^ a b Champion, David; Cognard, Ismael; Cruces, Marilyn; Desvignes, Gregory; Jankowski, Fabian; Karuppusamy, Ramesh; et al. (November 2020). "High-cadence observations and variable spin behaviour of magnetar Swift J1818.0-1607 after its outburst". Monthly Notices of the Royal Astronomical Society. 498 (4): 6044–6056. arXiv:2009.03568. Bibcode:2020MNRAS.498.6044C. doi:10.1093/mnras/staa2764.
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: CS1 maint: unflagged free DOI (link) - ^ Evans, P. A.; Gropp, J. D.; Kennea, J. A.; Klingler, N. J.; Laha, S.; Lien, A. Y.; et al. (12 March 2020). "Swift-BAT trigger 960986: Swift detection of a new SGR Swift J1818.0-1607". GRB Coordinates Network Circular. 27373 (27373). NASA: 1. Bibcode:2020GCN.27373....1E. Retrieved 7 March 2023.
- ^ Enoto, Teruaki; Sakamoto, Takanori; Younes, George; Hu, Chin-Ping; Ho, Wynn C. G.; Gendreau, Keith; et al. (13 March 2020). "NICER detection of 1.36 sec periodicity from a new magnetar, Swift J1818.0-1607". The Astronomer's Telegram. 13551 (13551): 1. Bibcode:2020ATel13551....1E. Retrieved 7 March 2023.
External links
[edit]- A Cosmic Baby Is Discovered, and It's Brilliant, Calla Cofield, NASA, 17 June 2020
- XMM-Newton observes baby magnetar, ESA, 17 June 2020
- J1818.0-1607: Chandra Studies Extraordinary Magnetar, Chandra X-ray Center, 8 January 2021