On the photometric error calibration for the `differential light curves' of point-like Active Galactic Nuclei

Arti Goyal, Mukul Mhaskey, Gopal-Krishna +3

It is important to quantify the underestimation of rms photometric errors returned by the commonly used $\text{A}PPHOT$ algorithm in the $\text{I}RAF$ software, in the context of dif…