Abstract
Can a rotating star spin up by radiating away its angular momentum? And if so, what can we infer about the properties of such a star? We show that the spin of a rapidly rotating star like a pulsar can indeed increase as it radiates away energy and angular momentum. For this to happen the adiabatic index governing the equation of state must be very close to 4/3 if the star is rotating uniformly. Otherwise the star must be rotating differentially.
| Original language | English (US) |
|---|---|
| Pages (from-to) | L17-L20 |
| Journal | Astrophysical Journal |
| Volume | 357 |
| Issue number | 1 PART 2 |
| DOIs | |
| State | Published - Jul 1 1990 |
| Externally published | Yes |
Keywords
- Pulsars
- Stars: neutron
- Stars: rotation
- Stars: white dwarfs
ASJC Scopus subject areas
- Astronomy and Astrophysics
- Space and Planetary Science
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