Day 1056

Friday.


1602.08054
Luminosity function of luminous compact star-forming galaxies
Parnovsky, Izotova

Study H-alpha, far- and near-UV LFs of the sample of 795 luminous compact SF galaxies with z<0.65.  The parameters of optimal functions for LFs are obtained using the maximum likelihood method and the accuracy of fitting is estimated with the chi-squared method.  Find that these LFs cannot be reproduced by the Schechter function because of an excess of very luminous galaxies.  On the other hand, the Saunders function, the log-normal distribution and some new related functions are good approximations of LFs.  The fact that LFs are not reproduced by the Schechter function can be explained by the propagating SF.  This may result in an excess of luminous starbursts with the mass of a young stellar population above 2e8 Msun as compared to the LF of the quiescent galaxies.  The most luminous compact galaxies are characterized by H-alpha luminosities of >5e42 erg/s and SFRs of >40 Msun/yr.