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The Conception of Atom in Greek and Indian Physics
R. H. Narayan
This paper contrasts the Greek and Indian conceptions of atom. It is shown that these two are quite different in spirit.
Dynamical Constraints on the Local Group from the CMB and 2MRS Dipoles
Abraham Loeb, Ramesh Narayan
We place constraints on the dynamics of the Local Group (LG) by comparing the dipole of the Cosmic Microwave Background (CMB) with the peculiar velocity induced by the 2MRS galaxy…
Estimating the Spins of Stellar-Mass Black Holes by Fitting Their Continuum Spectra
Ramesh Narayan, Jeffrey E. McClintock, Rebecca Shafee
We have used the Novikov-Thorne thin disk model to fit the continuum X-ray spectra of three transient black hole X-ray binaries in the thermal state. From the fits we estimate the…
Supplementary Information for "A 15.65 solar mass black hole in an eclipsing binary in the nearby spiral galaxy Messier 33"
Jerome A. Orosz, Jeffrey E. McClintock, Ramesh Narayan +8
This Supplementary Information provides details about the spectral extraction (crowding issues and the removal of nebular lines), a discussion about the distance to M33, a model fo…
A 15.65 solar mass black hole in an eclipsing binary in the nearby spiral galaxy Messier 33
Jerome A. Orosz, Jeffrey E. McClintock, Ramesh Narayan +8
Stellar-mass black holes are discovered in X-ray emitting binary systems, where their mass can be determined from the dynamics of their companion stars. Models of stellar evolution…
Oscillating Starless Cores: The Nonlinear Regime
Avery E. Broderick, Eric Keto, Charles J. Lada +1
In a previous paper, we modeled the oscillations of a thermally-supported (Bonnor-Ebert) sphere as non-radial, linear perturbations following a standard analysis developed for stel…