Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
An analysis of the images of objects in the Northern Hubble Space Telescope Deep Field has revealed twelve galaxies with tidal tails at redshifts from 0.5 to 1.5. The integrated characteristics of the newly discovered tidal structures are found to be similar to those of the tails of local interacting galaxies. The space density of galaxies with tidal tails is found to depend on z as (1 + z)(4+/-1) (q(o) = 0.05), according to the data on objects with z = 0.5-1.0. The exponent decreases to 3.6 if barred galaxies are included. The change in the rate of close encounters between galaxies of comparable masses (i.e., those that produce extended tidal structures) is estimated. If the rate of galactic mergers is governed by the same process, our data are indicative of the rapid evolution of galaxy merger rate toward z similar to 1. (C) 2000 MAIK "Nauka/Interperiodica".
Язык оригинала | Английский |
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Страницы (с-по) | 61-66 |
Число страниц | 6 |
Журнал | Astronomy Letters |
Том | 26 |
Номер выпуска | 2 |
DOI | |
Состояние | Опубликовано - фев 2000 |
ID: 32475723