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- W1609639036 abstract "An expression for rotational velocity of a test particle around the central mass in the invariant plane is derived. For this, a line element of Schwarzschild de-Sitter space-time is used to study the effect of cosmological constant ($Lambda$) on the motion of both massive and massless particles. Using rotation curve data of 15 nearby spiral and barred spiral galaxies, we estimated the mass and $Lambda$ of the galaxy. The mass of the galaxies are found to lie in the range 0.13-7.60 $times$ 10$^{40}$ kg. The cosmological constant ($Lambda$) is found to be negative ($-$0.03 to $-$0.10 $times$ 10$^{-40}$ km$^{-2}$), suggesting the importance of anti-de Sitter space in the local bubble. Possible explanation of the results will be discussed." @default.
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- W1609639036 date "2013-07-07" @default.
- W1609639036 modified "2023-09-27" @default.
- W1609639036 title "Estimation of mass and cosmological constant of nearby spiral galaxies using galaxy rotation curve" @default.
- W1609639036 hasPublicationYear "2013" @default.
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