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Young magnetar From Wikipedia, the free encyclopedia
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]
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 |
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