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For refcode 1990AJ....100.1461M:
Retrieve 6 NED objects in this reference.
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1990AJ....100.1461M MS 0129.2-2237: INTERACTING GALAXIES AT z = 0.11 DARIO MACCAGNI Istituto di Fisica Cosmica del CNR, via Bassini 15, 20133 Milano, Italy ISABELLA M. GIOIA Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138 and Istituto di Radioastronomia del CNR, via Irnerio 46, 40126 Bologna, Italy J. PATRICK HENRY Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, Hawaii 96822 TOMMASO MACCACARO Istituto di Fisica Cosmica del CNR, via Bassini 15, 20133 Milano, Italy and Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138 and Osservatorio Astronomico, via Zamboni 33, 40126 Bologna, Italy G. PAOLO VETTOLANI Istituto di Radioastronomia del CNR, via Irnerio 46, 40126 Bologna, Italy ANNA WOLTER Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138 Received 13 April 1990; revised 21 June 1990 ABSTRACT The x-ray source MS 0129.2 - 2237 is positionally coincident with an interacting system of galaxies. We present the results of our spectroscopic and photometric investigation of the system, which show that a Seyfert 1.5, a Seyfert 2 nucleus or H II region or a starburst galaxy, a normal galaxy plus possibly another galaxy where star-forming activity is taking place are strongly interacting. The redshift of the system is z = 0.11. The maximum projected diameter of the envelope common to the four spectroscopi- cally distinct objects is ~98 kpc (H_0_ = 50 km s^-1^ Mpc^-1^ and q_0_ = 0.5). The isolated environment in which the system lies suggests that we are looking at the final stage of the life of a compact group of galaxies where members are merging into an elliptical galaxy.
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