The Quasar Luminosity Function as a Non-Homogeneous Poisson Process

Details The Quasar Luminosity Function as a Non-Homogeneous Poisson Process The Quasar Luminosity Function as a Non-Homogeneous Poisson Process

Nov 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..371..417h&link_type=abstract

Statistical Challenges in Modern Astronomy IV ASP Conference Series, Vol. 371, proceedings of the conference held 12-15 June 200

Astronomy and Astrophysics

Astronomy

Scientific paper

The Quasar Luminosity Function (QLF) is the spatial density of quasars as a function of absolute optical magnitude M and redshift z. Following the work of Richards et al.~(2006), this paper presents a flexible parametric model of quasars as a non-homogeneous poisson process over the M× z space. Our contribution to this model allows for the introduction of higher-order terms if warranted by the data. At present, M and z are treated as separable as is commonly done (Fan et al.~2001), however we plan to extend our model to account for the dependency apparent in the data. Parameters are estimated using the method of maximum likelihood. The performance of the Bayesian information criterion for model selection is examined on simulated data sets and a preliminary fitted model for SDSS quasar data is reported.

Affiliated with

Also associated with

No associations

Rating

The Quasar Luminosity Function as a Non-Homogeneous Poisson Process does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The Quasar Luminosity Function as a Non-Homogeneous Poisson Process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Quasar Luminosity Function as a Non-Homogeneous Poisson Process will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-735806