Study of Interacting/Merging IRAS Galaxies

Details Study of Interacting/Merging IRAS Galaxies Study of Interacting/Merging IRAS Galaxies

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003jena.confe...1m&link_type=abstract

Proceedings of JENAM-2002, held 2-7 Sep 2002 in Porto, Portugal, Kluwer Academic Publishers, Vol. 285, No. 1, p. 76-80

Physics

Scientific paper

A new sample of 1178 faint IRAS galaxies (Byurakan-IRAS Galaxy sample, BIG) has been constructed by means of optical identifications of IRAS point sources from PSC in the region +61° <δ<+90° at high galactic latitudes with a surface of 1487 deg^{2}. Compact galaxies, interacting pairs and groups, mergers, radio, and X-ray sources are among the identified objects. Spectral observations in Byurakan (Armenia), SAO (Russia) and OHP (France) revealed new AGNs and high-luminosity infrared galaxies. 50 optical counterparts are interacting/merging pairs and multiple systems. 15 of them have been observed at SAO 6m telescope with Multi-Pupil Fibre Spectrograph (MPFS) to study their velocity fields and dynamics to reveal physical mergers. These objects are of special interest due to star-formation, nuclear activity and interaction phenomena occuring there, giving possibility to study connections between these phenomena and their interrelationship.

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