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The BBXRT consists of a pair of coaligned thin foil conical X-ray mirrors, with a cryogenically-cooled, Si(Li) spectrometer at the focus of each.
The X-ray mirrors have a focal length of 3.8 m and a diameter of 40 cm.
Each mirror consists of 118 nested pairs of reflectors. Each reflector consists of 0.017 mm thick aluminum shaped into a cone, coated with an acrylic lacquer to form a microscopically smooth surface, which is overcoated with gold to enhance X-ray reflectivity.
The spatial resolution of the telescope is 1.3 arcmin (half power radius) and the plate scale is 0.91 arcmin per cm. The detectors are segmented into five discrete Si(Li) detection elements, each with 512 energy channels. The circular central element has a diameter (field of view) of 4.0 arc minutes.
The outer ring extends the field of view to 17 arcminutes, and is divided into four 90 degree segments. Each is located in a cryogenically-cooled vacuum cryostat. Attached to each cryostat is a solid argon cooler with a 90 lb capacity.
Frank Mulder’s Gigayacht
Sold for: $168 million
If we were planking on billions, we would do our auctioning at an accredited auction house, but what do we know? Obviously less than Russian billionaire Roman Abramovich who bought the Frank Mulder-designed 405-foot yacht for a record setting $168,000,000. The megayacht featured 10 multi-level VIP rooms, eight guest rooms, a movie theater, and a helicopter pad. The auction actually ended at $85,000,000, but that was only the 50% down payment required by Fort Lauderdale’s 4Yacht brokerage firm.