Dwarf galaxies in NGC 1407 Group : J/MNRAS/369/1375

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Authors : Trentham N. orcid , Tully R.B., Mahdavi A. (hide) , Tully R.B., Mahdavi A. et..al

VizieR DOI : 10.26093/cds/vizier.73691375
Bibcode : 2006MNRAS.369.1375T (ADS) (Simbad) (Objects)
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CDS Keywords : Clusters, galaxy; Galaxies, photometry; Radial velocities
UAT : Galaxy clusters, Galaxies, Photometry, Radial velocity

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Inserted into VizieR : 24-Mar-2007
Last modification : 02-Jul-2024

Dwarf galaxies in the dynamically evolved NGC 1407 Group. (2006)

Keywords : galaxies clusters: individual: NGC 1407 Group - galaxies: luminosity function, mass function - galaxies: photometry

Abstract:The NGC 1407 Group stands out among nearby structures by its properties that suggest it is massive and evolved. It shares properties with entities that have been called fossil groups: the 1.4m differential between the dominant elliptical galaxy and the second brightest galaxy comes close to satisfying the definition that has been used to define the fossil class. There are few intermediate-luminosity galaxies, but a large number of dwarfs in the group. We estimate there are 250 group members to the depth of our survey. The slope of the faint end of the luminosity function (reaching M_R_=12) is alpha=-1.35. Velocities for 35 galaxies demonstrate that this group with one dominant galaxy has a mass of ...(more)
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Imaging observations were made with the CFHT 12 K CCD camera in queue mode over six photometric nights between 2002 November 8 and 2002 December 6. Spectroscopic observations were made using the blue side of the Low-Resolution Imaging Spectrograph on the Keck I 10-m telescope, on 2003 November 27. 


                


                

                    

                


                

                    

                


                

                    
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