Note on the collapse of magnetic interstellar clouds

T. Ch. Mouschovias, Jr. Spitzer L.

Research output: Contribution to journalArticlepeer-review


Virial-theorem expressions for clouds on the verge of gravitational collapse are fitted to numerical values obtained with exact equilibrium computations for magnetic interstellar isothermal clouds subject to the pressure of the intercloud medium. The minimum mass needed for gravitational collapse is 0.53 times the virial-theorem value obtained for a homogeneous magnetic sphere, while the maximum external pressure, Pm, at which equilibrium is possible is 0.60 times the virial-theorem value. Subject heading: interstellar: magnetic fields
Original languageEnglish (US)
JournalThe Astrophysical journal
StatePublished - Dec 1976
Externally publishedYes


  • Cloud Physics
  • Gravitational Collapse
  • Interstellar Gas
  • Interstellar Magnetic Fields
  • Magnetic Clouds
  • Critical Mass
  • Virial Theorem
  • Astrophysics


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