What is formed when one neutron star accretes matter from its companion star?
Understand the Problem
The question is asking about the outcome of a specific astrophysical process involving a neutron star and its companion star. Specifically, it inquires about what happens when a neutron star pulls in matter from its companion, providing several answer choices related to astrophysics.
Answer
The neutron star emits X-rays and may form a black hole if enough mass is accreted.
When a neutron star accretes matter from its companion star, it can emit large amounts of X-rays and form 'hotspots' known as X-ray pulsar systems. If enough mass is accreted, it can eventually lead to the formation of a black hole.
Answer for screen readers
When a neutron star accretes matter from its companion star, it can emit large amounts of X-rays and form 'hotspots' known as X-ray pulsar systems. If enough mass is accreted, it can eventually lead to the formation of a black hole.
More Information
Accretion from a companion star can significantly alter a neutron star by increasing its rotational frequency and possibly transforming it into a black hole if enough mass is gained.
Tips
A common mistake is to assume a binary system must consist of two similar stars; instead, varied stellar objects can form binaries.
Sources
- Neutron Stars, Pulsars, and Magnetars - Imagine the Universe! - imagine.gsfc.nasa.gov
- When Does a Neutron Star or Black Hole Form After a Supernova? - public.nrao.edu
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