IIA Institutional Repository

Browsing IIAP Publications by Subject "Angular Velocity"

Browsing IIAP Publications by Subject "Angular Velocity"

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  • The angular momentum of the asteroids 
    Sivaram, C (Springer, 1986-03)
    Consideration of the basic physics involved in the structure of the object are used to obtain relationships for the radius, period, angular momentum, etc. of a typical asteroid. The mass-angular momentum relation for ...
  • Differences in heliographic positions and rotation velocities of sunspot groups from various observatories 
    Poljancic, I; Brajsa, R; Hrzina, D; Wohl, H; Hanslmeier, A; Potzi, W; Baranyi, T; Ozguc, A; Singh, J; Ruzdjak, V (Hvar Observatory, 2011)
    Measured positions of sunspot groups that differ in format, precision and observing procedure are collected from various data sets: GPR (Greenwich Photoheliographic Results), SOON/USAF/NOAA (Solar Optical Observing ...
  • Effects of rotation on the colours and line indices of stars. I - The Alpha Persei Cluster 
    Rajamohan, R; Mathew, A (Indian Academy Sciences, 1988-06)
    Analysis of the available observational data for the Alpha-Persei cluster members shows that rotation effects on the intermediate-band indices c1 and (u-b) are considerable. In c1, rotation produces a reddening of 0.040 ...
  • Flat rotation curves: A result of the helical inverse cascade in turbulent media? 
    Prabhu, R. D; Krishan, V (The American Physical Society, 1994-06)
    We have modeled the rotation curves of 21 galaxies observed by Amram et al. (1992), by combining the effects of rigid rotation, gravity, and turbulence. The main motivation behind such modeling is to study the formation ...
  • On the intrinsic rotation of magnetic variables 
    Rajamohan, R; Babu, G. S. D (Royal Astronomical Society, 1978-03)
    It is observed that the rotational velocities of most Ap stars are dependent on their masses. Deviations from this general rule may be explained in terms of multiplicity which affects the derived colors and radii. Spectroscopic ...
  • The pulses as a diagnostic technique in the sun 
    Das, G. C (D. Reidel Publishing Co., 1980-08)
    A method of finding physical parameters by studying the pulses in the sun is discussed. Consideration is given to an ideal highly relevant model which could exist in the sun with the effects of ionization, due to which ...
  • Rotating neutron star structure - Implications of the millisecond pulsar PSR 1937 + 214 
    Ray, A; Datta, B (The American Astronomical Society, 1984-07)
    Rapidly rotating fluid objects of a given mass can remain stable only up to a critical angular speed, beyond which they may undergo instabilities leading to disruption. A semi-Newtonian condition of rotational stability ...

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