Clustering of very luminous infrared galaxies and their environment

Details Clustering of very luminous infrared galaxies and their environment Clustering of very luminous infrared galaxies and their environment

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993egte.conf...54g&link_type=abstract

In NASA. Ames Research Center, The Evolution of Galaxies and Their Environment p 54-55 (SEE N93-26706 10-90)

Astronomy and Astrophysics

Astronomy

3

Astronomical Catalogs, Elliptical Galaxies, Galactic Clusters, Infrared Astronomy, Infrared Astronomy Satellite, Infrared Radiation, Infrared Sources (Astronomy), Quasars, Red Shift, Sky Surveys (Astronomy), Stellar Luminosity, Algorithms, Bolometers, Morphology, Scale Effect

Scientific paper

The IRAS survey reveals a class of ultraluminous infrared (IR) galaxies (ULIRG's) with IR luminosities comparable to the bolometric luminosities of quasars. The nature, origin, and evolution of ULIRG's are attracting more and more attention recently. Since galaxy morphology is certainly a function of environment, morphological observations show that ULIRG's are interacting/merging galaxies, and some ULIRG's might be the dust-enshrouded quasars (S88) or giant ellipticals, the study of ULIRG's environment and large scale clustering effects should be worthwhile. ULIRG's and very luminous IR galaxies have been selected from the 2Jy IRAS redshift survey. Meanwhile, a catalog of IRAS groups of galaxies has been constructed using a percolation-like algorithm. Therefore, whether ULIRG's and/or VLIRG's have a group environment can be checked immediately. Other aspects of the survey are discussed.

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