A catalog of QSO candidates from a BVRI CCD survey of the North Ecliptic Pole

• 1 November 1993
• journal article
• Published by IOP Publishing in Publications of the Astronomical Society of the Pacific
• Vol. 105, 1294
• https://doi.org/10.1086/133311

Abstract

Keywords

• CHARGED COUPLE DEVICE
• DATA REDUCTION
• MAIN SEQUENCE