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2012MNRAS.424.1448R - Mon. Not. R. Astron. Soc., 424, 1448-1453 (2012/August-1)
Galaxy and mass assembly (GAMA): in search of Milky way Magellanic cloud analogues.
ROBOTHAM A.S.G., BALDRY I.K., BLAND-HAWTHORN J., DRIVER S.P., LOVEDAY J., NORBERG P., BAUER A.E., BEKKI K., BROUGH S., BROWN M., GRAHAM A., HOPKINS A.M., PHILLIPPS S., POWER C., SANSOM A. and STAVELEY-SMITH L.
Abstract (from CDS):
Using cross-correlation comparisons we find that there is a preference for SMC–LMC binary pair analogues to be located within 2 Mpc of a range of different luminosity groups. There is a particular preference for such binaries to be located near Local Group luminosity systems. When these groups are subdivided into small magnitude gap and large magnitude gap subsets, the binaries prefer to be spatially associated with the small magnitude gap systems. These systems will be dynamically less evolved, but still offer the same amount of gravitational dark matter. This suggests that binaries such as the SMC–LMC might be transient systems, usually destroyed during vigorous merger events. Details of a particularly striking analogue to the MW–SMC–LMC and M31 complex are included.
Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS
Journal keyword(s): galaxies: haloes - galaxies: kinematics and dynamics - Local Group - Magellanic Clouds - large-scale structure of Universe
CDS comments: In table 3 : GAMA 202627 = SDSS J084228.27-001617.8 , GAMA 202636 = SDSS J084228.13-001700.7 , GAMA 202691 = SDSS J084230.63-001622.2 , GAMA 202673 = SDSS J084236.66-001351.5
Simbad objects: 10
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