VizieR Online Data Catalog: ROSAT study of Praesepe (Randish+, 1995)

We present the results of the ROSAT PSC observations of the Praesepe cluster. 68 Praesepe candidates have been detected, above a threshold of ~2x10⁺²⁸erg/s (2x10²¹W), in the ~4degx4deg area of the cluster covered by the observations. 56 out of the 68 detected objects are cataloged as high probability Praesepe members. (3 data files).