Makale detayı · 2010
A Low-Magnetic-Field Soft Gamma Repeater
- Yıl
- 2010
- Tür
- article
Veri kaynağı ayrımı
- YÖKSİS YÖKSİS makale kaydı
- YÖKSİS dergi adı SCIENCE
- Katalog eşleşmesi (ISSN) Science
- OpenAlex OpenAlex zenginleştirmesi (özet, atıf, konular)
Özet
OpenAlex · İngilizce
Soft gamma repeaters (SGRs) and anomalous x-ray pulsars form a rapidly increasing group of x-ray sources exhibiting sporadic emission of short bursts. They are believed to be magnetars, that is, neutron stars powered by extreme magnetic fields, B ~ 10(14) to 10(15) gauss. We report on a soft gamma repeater with low magnetic field, SGR 0418+5729, recently detected after it emitted bursts similar to those of magnetars. X-ray observations show that its dipolar magnetic field cannot be greater than 7.5 × 10(12) gauss, well in the range of ordinary radio pulsars, implying that a high surface dipolar magnetic field is not necessarily required for magnetar-like activity. The magnetar population may thus include objects with a wider range of B-field strengths, ages, and evolutionary stages than observed so far.
Konular
Atıflar
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322 atıf
OpenAlex cited_by_count (önbellek / veritabanı)
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- QUASI-PERIODIC OSCILLATIONS IN SHORT RECURRING BURSTS OF MAGNETARS SGR 1806–20 AND SGR 1900+14 OBSERVED WITHRXTE 2014
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