A gravitational lens probe of galaxy-scale dark matter?

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/1520

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DC Field	Value	Language
dc.contributor.author	Sunita Nair	-
dc.date.accessioned	2007-05-07T05:34:21Z	-
dc.date.available	2007-05-07T05:34:21Z	-
dc.date.issued	1993	-
dc.identifier.citation	BASI, Vol. 21, pp. 425-429	en
dc.identifier.uri	http://hdl.handle.net/2248/1520	-
dc.description.abstract	We present a model for an observed gravitationally lensed system, MG2016+112. We assume that there are two galaxies acting as lenses (as suggested by the observations), each with a diffuse dark matter halo. It is shown that the two lenses, acting in tandem, can conspire to produce the image configurations observed on both arcsecond and milliarcsecond scales. The dark matter halos, each of which is a weak lens, overlap in projection. This increases the strength of the lens system, making MG2016+112 a potential probe of diffuse dark matter in galaxies. It is possible to account for some additional, rather puzzling observations. We show, finally, that the galaxy-plus-halo structures that are suggested by our model are consistent with observations of single lens galaxy-scale systems	en
dc.format.extent	299652 bytes	-
dc.format.mimetype	application/pdf	-
dc.language.iso	en	en
dc.publisher	Astronomical Society of India	en
dc.subject	Gravitational lensing	en
dc.subject	Galaxy	en
dc.title	A gravitational lens probe of galaxy-scale dark matter?	en
dc.type	Article	en
Appears in Collections:	BASI Publications

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