Abstract
Seventy-six isolated triple systems of galaxies with declinatiosn δ<−3° were selected using ESO/SERC and POSS-I sky survey data. The equatorial coordinates, configuration types, angular sizes, component angular separations, component morphological types, total magnitudes, and other parameters are reported for each triplet. Radial-velocity estimates are available for all components in 33 of the 76 triplets. The median values of the main dynamical parameters—radial-velocity dispersion, mean harmonic radius, absolute magnitudes of member galaxies, and mass-to-luminosity ratios—are similar to those obtained earlier for 83 isolated triple systems with δ>−3°.
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Translated from Astronomicheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Zhurnal, Vol. 77, No. 8, 2000, pp. 569–590.
Original Russian Text Copyright © 2000 by Karachentseva, Karachentsev.
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Karachentseva, V.E., Karachentsev, I.D. Southern isolated galaxy triplets. Astron. Rep. 44, 501–522 (2000). https://doi.org/10.1134/1.1306352
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DOI: https://doi.org/10.1134/1.1306352