uvby98 The ubvyβ Photoelectric Photometric Catalogue is a compilation of previously published photometric data. Published in 1998, the catalogue includes 63,316 stars surveyed through 1996.
uvby98 The ubvyβ Photoelectric Photometric C.atalogue is a comp,ilation of previously published photometric data. Published in 1998 the catalogue includes 63,316 stars surveyed through 1996