Beyond the galaxy luminosity function

作者：Driver S^*

来源：Publications of the Astronomical Society of Australia, 2004, 21(4): 344-351.

DOI：10.1071/AS04035

• galaxies : fundamental parameters
• galaxies : luminosity function
• galaxies : mass function
• galaxies : statistics
• surveys

With the advent of large-scale surveys (i.e. Legacy Surveys) it is now possible to start looking beyond the galaxy luminosity LF) to more detailed statistical representations of the galaxy population, i.e multivariate distributions. In this review I first summarise the current state-of-play of the B-band global and cluster LFs and then briefly present two promising bivariate distributions: the luminosity - surface brightness plane (LSP) and the colour - luminosity plane (CLP). In both planes galaxy bulges and galaxy disks form marginally overlapping but distinct distributions, indicating two key formation/evolutionary processes ( presumably merger and accretion). Forward progress in this subject now requires the routine application of reliable bulge - disk decomposition codes to allow independent investigation of these two key components.

• 出版日期2004