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First white dwarf with a planet WD B1620−26: 2003 PSR B1620-26 b (planet) This planet is a circumbinary planet, which circles both stars in the PSR B1620-26 system [5] [6] First singular white dwarf with a planet WD 1145+017: 2015 WD 1145+017 b: Planet is extremely small and is disintegrating. First white dwarf that is a pulsar: AR Scorpii A ...
White dwarfs with hydrogen-poor atmospheres, such as WD J2147–4035, are less affected by CIA and therefore have a yellow to orange color. [80] [77] The white dwarf cooling sequence seen by ESA's Gaia mission. White dwarf core material is a completely ionized plasma – a mixture of nuclei and electrons – that is
Pages in category "White dwarfs" The following 167 pages are in this category, out of 167 total. ... Post common envelope binary; Procyon; PSR B1620−26; PSR J0348+0432;
A family from a Ba Aka pygmy village. The term pygmy, as used to refer to diminutive people, comes via Latin pygmaeus from Greek πυγμαῖος pygmaîos, derived from πυγμή pygmḗ, meaning "short cubit", or a measure of length corresponding to the distance from the elbow to the first knuckle of the middle finger, meant to express pygmies' diminutive stature.
About 6% of white dwarfs show infrared excess due to a disk around a white dwarf. [66] In the past only a relative small sample of white dwarf disks was known. [67] Due to advances in white dwarf detection (e.g. with Gaia or LAMOST) and improvement of WISE infrared catalogs with unWISE/CatWISE, the number has increased to hundreds of candidates.
SDSS 1557 (SDSS J155720.77+091624.6, WD 1554+094) is a binary system composed of a white dwarf and a brown dwarf.The system is surrounded by a circumbinary debris disk.The debris disk was formed when a minor planet was tidally disrupted around the white dwarf in the past.
The Oriental white-eye is a very common resident of Thailand. The birds of Thailand number nearly one thousand species, of which approximately 45 are rare or accidental. At least seven bird species previously found in Thailand have since been made locally extinct, and approximately fifty of Thailand's bird species are globally threatened. [2]
Common in captivity, endangered in the wild, feral populations common in parts of Australia and South America [34] [35] 1b Bovidae: Dromedary or Arabian camel (Camelus dromedarius) [36] Unknown 4000 BCE Arabia, the Horn of Africa: meat, milk, urine, racing, hunting, pack, mount, show, pets Tame, few physical changes