Beta Boötis the ROSAT satellite was used to observe an X-ray flare on Beta Boötis, which released an estimated . This was the first such observation for a low-activity star of this type. The flare may be explained by an as yet unobserved M-type dwarf companion star. Beta Boötis Beta Boötis (β Boötis, abbreviated Beta Boo, β Boo), also named Nekkar, is a star in the northern constellation of Boötes. It has an apparent visual magnitude of 3.5, making it one of the brighter members of the constellation. In the modern constellation, it marks the head of Boötis the herdsman. Based upon
Herdsman, Western Australia around Walters Drive. Prior to this, companies along Scarborough Beach Road backed on to the swamp. That area is now part of the light industrial suburb of Osborne Park, although some areas adjacent to Herdsman Lake Regional Park are still colloquially referred to as "Herdsman". Herdsman, Western Australia Herdsman is the suburb of Perth, Western Australia where Herdsman Lake and the surrounding Herdsman Lake Regional Park are situated. Its local government area is the City of Stirling. In the earlier days of settlement, cattle were raised near the lake area. In 1928, the Herdsman Lake Suburban Area was gazetted adjacent