(September 2001). "Low-frequency variability and binarity of the δ Scuti star XX Pyx". Monthly Notices of the Royal Astronomical Society. 326 (1): 192–202
Table of stars with Flamsteed designations Also designated Delta Pegasi (δ Pegasi, δ Peg) by Bayer, after Ptolemy – Bayer’s Uranometria and Bayer letters