Geodesic
Soliton in Gravitating Gas: Hoag's Object
Teoretičeskaâ i matematičeskaâ fizika, Tome 146 (2006) no. 1, pp. 103-114

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We explore the possibility of creating of solitons in gravitating gas. We show that the virial arguments do not create an obstacle to the existence of localized static solutions. The simplest toroidal soliton of gravitating gas could explain the peculiar galaxy named Hoag's Object.
Mots-clés : soliton
Keywords: gravitating gas, ring galaxies. 
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     author = {G. P. Pron'ko},
     title = {Soliton in {Gravitating} {Gas:} {Hoag's} {Object}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {103--114},
     publisher = {mathdoc},
     volume = {146},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2006_146_1_a8/}
}
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G. P. Pron'ko. Soliton in Gravitating Gas: Hoag's Object. Teoretičeskaâ i matematičeskaâ fizika, Tome 146 (2006) no. 1, pp. 103-114. http://geodesic.mathdoc.fr/item/TMF_2006_146_1_a8/