SIMBAD references

2018MNRAS.473.3358S - Mon. Not. R. Astron. Soc., 473, 3358-3366 (2018)

H I debris in the IC 1459 galaxy group.


Abstract (from CDS):

We present H I synthesis imaging of the giant elliptical galaxy IC 1459 and its surroundings with the Australia Telescope Compact Array. Our search for extended H I emission revealed a large complex of H I clouds near IC 1459, likely to be the debris from tidal interactions with neighbouring galaxies. The total H I mass (∼109 M) in the detected clouds spans 250 kpc from the north-east of the gas-rich spiral NGC 7418A to the south-east of IC 1459. The extent and mass of the H I debris, which shows rather irregular morphology and kinematics, are similar to those in other nearby groups. Together with H I clouds recently detected near two other IC 1459 group members, namely IC 5270 and NGC 7418, using phased-array feeds on the Australian Square Kilometre Array Pathfinder, the detected debris make up a significant fraction of the group's intergalactic medium.

Abstract Copyright: © 2017 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: groups: individual: IC 1459 - galaxies: interactions - radio lines: galaxies

Nomenclature: Fig. 2, Table 4: [SKB2018] CN (Nos C1-C7).

Simbad objects: 30

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