The interplanetary scintillation (IPS) survey of about 5000 radio sources carried out during 1992-93 with the Ooty Radio Telescope (ORT) at 327 MHz has resulted in the detection of compact components in about 2700 sources. ...

In this paper we study the Hubble Diagram of the QSOs whose redshifts are known to be cosmological in nature. These are the QSOs which lie close to bright galaxies and whose redshifts are nearly equal to those of the bright ...

we propose a classification scheme for colliding galaxies based on the fractional changes in their binding energy and the orbital energy. We give examples of actual observed pairs of interacting galaxies for the various ...

Recent evidence suggesting that at least some of the Lyman alpha forest absorbers are not primordial and are indeed associated with galaxies is disucussed. Proximity effect, which deals with the change in the distribution ...

We present the R band isophotal shape analysis of the E6 elliptical galaxy NGC 4564 by fittng ellipses to the observed isophotes using Fourier expansion procedure. The galaxy is found to have pointy isophotes, showing ...

The hard X-ray pulsar GX 1+4 was observed several times in the last few years with a pair of balloon-borne Xenon filled Multi-cell Proportional Counters (XMPC). In a balloon flight made on 22 March 1995, the source was ...

With a view to investigate the long term photometric behaviour of one of the most active double lined spectroscopic RS CVn type binary V711 Tau (K1 IV + G5 V) we examine its light curve for the last eighteen years (1977 - ...

It has been recognized that C to the power 12 (alpha, gamma) O to the power 16 and O to the power 16 (alpha, gamma) Ne to the power 20 may proceed explosively at some stellar situation; more particularly at the outer layers ...