Open AccessGas in early‐type galaxies: cross‐fuelling in late‐type–early‐type pairs?
Author(s) -
Cullen H.,
Alexander P.,
Clemens M.
Publication year - 2006
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-2966
pISSN - 0035-8711
DOI - 10.1111/j.1365-2966.2005.09662.x
Subject(s) - physics , astrophysics , galaxy , type (biology) , peculiar galaxy , astronomy , luminous infrared galaxy , galaxy group , ecology , biology
We present 12 CO ( J = 1–0) and 12 CO ( J = 2–1) observations of eight early‐type galaxies, forming part of a sample of interacting galaxies, each consisting of one late‐ and one early‐type system. All of the early‐type galaxies observed are undetected in CO to low levels, allowing us to place tight constraints on their molecular gas content. Additionally, we present H i absorption data for one system. The implications for possible gas transfer from the late‐ to the early‐type galaxy during the interaction are discussed.