A Binary System Is Formed with a Neutron Star and Another

question 288

Multiple Choice

A binary system is formed with a neutron star and another star that has overflowed its Roche lobe.How does the detection of this binary differ from the detection of an isolated neutron star?

• A) The outer layers of the larger star envelop the neutron star, so only the spectrum of the larger star is detected.
• B) This binary may emit intense X-rays, while an isolated neutron star emits radio waves.
• C) The interaction of the larger star with the neutron star may slow the neutron star's rotation to the point where it no longer rotates. We then see a steady radio beam rather than the series of pulses that the lighthouse model predicts for an isolated neutron star.
• D) The spectrum of the larger star swamps the spectrum of the neutron star, thus showing a standard thermal blackbody spectrum. An isolated neutron star produces a nonthermal radiation spectrum.

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Definitions:

High-Probability Behavior

An action or activity that has a strong likelihood of being performed or occurring under certain conditions, often used in the context of behavioral analysis or prediction.

Mowrer

O.H. Mowrer, an influential psychologist known for his two-factor theory of learning which combines classical and operant conditioning.

Feared Stimulus

An object, event, or situation that induces fear through conditioning or innate phobias.

Avoidance Behavior

Actions taken to prevent or evade a negative or undesirable outcome or stimulus.