Tidal interaction between a disc galaxy and a spherical galaxy

dc.contributor.author	Zafarullah, S. N
dc.contributor.author	Sastry, K. S
dc.date.accessioned	2006-04-11T04:29:20Z
dc.date.available	2006-04-11T04:29:20Z
dc.date.issued	1987
dc.identifier.citation	BASI, Vol. 15, No. 2 & 3, pp. 86-97	en
dc.identifier.uri	http://hdl.handle.net/2248/928
dc.description.abstract	The tidal interaction between a disk and a Plummer model spherical galaxy is studied, extending the impulsive approximation theory to disk galaxies. The fractional change in the internal energy and merger velocities for the disk-sphere pair is determined for various disk orientations. The ratio of the actual velocity of escape, taking the tidal effects into account, and the parabolic velocity of escape of the two galaxies at zero separation is found (for head-on collision) to be virtually independent of model density and disk inclination. The chance of two spherical galaxies merging in a head-on collision due to tidal capture is shown, in the present model, to be greater than that for a disk-sphere pair	en
dc.format.extent	764371 bytes
dc.format.mimetype	application/pdf
dc.language.iso	en	en
dc.publisher	Astronomical Society of Indian	en
dc.subject	Galaxies	en
dc.subject	Stellar dynamics	en
dc.title	Tidal interaction between a disc galaxy and a spherical galaxy	en
dc.type	Article	en