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Stellar Hydrodynamic Equations for a Thin Disk Galaxy
Author(s) -
Hunter C.
Publication year - 1970
Publication title -
studies in applied mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.164
H-Index - 46
eISSN - 1467-9590
pISSN - 0022-2526
DOI - 10.1002/sapm197049159
Subject(s) - physics , galaxy , boltzmann equation , stellar dynamics , classical mechanics , thin disk , computational astrophysics , astrophysics , closure (psychology) , quantum mechanics , economics , market economy
Assuming that the motions of stars depart only slightly from circular, finite closed systems of stellar hydrodynamic equations are obtained for a disk galaxy by taking moments of the collisionless Boltzmann equation. The usual closure problem is avoided in that explicit expressions are obtained for the highest moments arising.
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