Context
AstroSat, India's first multi-wavelength space-based observatory, has made a groundbreaking discovery, detecting bright sub-second X-ray bursts from a novel neutron star with an ultrahigh magnetic field, known as a magnetar.
Magnetars are neutron stars characterized by ultrahigh magnetic fields, surpassing Earth's magnetic field by over one quadrillion times. These extreme astrophysical objects emit high-energy electromagnetic radiation due to the decay of their magnetic fields. |
Key Characteristics:
SGR J1830-0645 - A Unique Magnetar
Discovery and Background:
Motivation for Study: Scientists from the Raman Research Institute (RRI) and the University of Delhi aimed to study and explore the characteristics of SGR J1830-0645 using AstroSat's instruments.
Scientific Analysis with AstroSat
Instruments Used: The study utilized two instruments onboard AstroSat: the Large Area X-Ray Proportional Counter (LAXPC) and the Soft X-Ray telescope (SXT).
Key Findings:
Unraveling the Mysteries
Emission Lines and Their Origins:
Energy-Dependence Findings:
Future Research Aims
Varied X-ray Emission Behavior:
Next Steps: The research team plans to expand their study to understand the origin of highly energetic emissions and determine whether they have an astrophysical or instrumental nature.
Way Forward: The research contributes to advancing our understanding of magnetars and the extreme astrophysical conditions they exhibit, opening avenues for further exploration and discovery.Top of Form
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