Taking guidance from Vedanga jyotis, it is found that in ancient India the sacrificial year started near the winter solstice. As the position of the winter solstice retrogrades by 1 degree in about 71 years due to the ...

An estimation of the correction for the broadening of the intensity profile of the solar corona caused by atmospheric turbulence, scattering in the photographic emulsion, focusing errors etc, is made from the coronal ...

After giving a brief historical introduction, the 48-inch telescope project is traced through its different phases of site survey, construction of the dome and installation of the telescope. Then follows a review of the ...

Radial velocity measurements of the long-period spectroscopic binary HR 1176 are obtained from spectrograms made with a 1.22-m telescope at Japal-Rangapur Observatory in India. The spectral line and radial velocity ...

An explanation for the invoice phase effect for absorption lines formed in a Rayleigh Scattering atmosphere is given in terms of multiple scattering. It is pointed out that the inverse phase effect is a function of the ...

A study of all the available photoelectric times of minima of CM Lac, AB And and YY Eri does not reveal any changes in their orbital periods.

Aarseth`s NBODY 1 code is used to study the stability of the quintet system of DW Draconis postulated by Abhyankar & Panchatsaram (1984). It is found that the observed (O - C) curve based on the ephemeris by Tremko & Kreiner ...