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The nearest known white dwarf is Sirius B, at 8.6 light years, the smaller component of the Sirius binary star. There are currently thought to be eight white dwarfs among the hundred star systems nearest the Sun. [2] The unusual faintness of white dwarfs was first recognized in 1910. [3]: 1 The name white dwarf was coined by Willem Jacob Luyten ...
Sirius B: 1852 Sirius system Sirius B is also the nearest white dwarf (as of 2005) [2] [3] First found in a binary star system First double white dwarf system LDS 275: 1944 L 462-56 system [4] First solitary white dwarf Van Maanen 2: 1917 Van Maanen's star is also the nearest solitary white dwarf [5] First white dwarf with a planet WD B1620− ...
Sirius is a binary star consisting of a main-sequence star of spectral type A0 or A1, termed Sirius A, and a faint white dwarf companion of spectral type DA2, termed Sirius B. The distance between the two varies between 8.2 and 31.5 astronomical units as they orbit every 50 years. [25]
The brightest, most massive and most luminous object among those 131 is Sirius A, which is also the brightest star in Earth's night sky; its white dwarf companion Sirius B is the hottest object among them. The largest object within the 20 light-years is Procyon.
The revised Yerkes Atlas system [7] listed a dense grid of A-type dwarf spectral standard stars, but not all of these have survived to this day as standards. The "anchor points" and "dagger standards" of the MK spectral classification system among the A-type main-sequence dwarf stars, i.e. those standard stars that have remained unchanged over years and can be considered to define the system ...
In White Christmas, the same melody is sped up by a factor of 3 or 4 and creates one of the film’s most memorable dance numbers. 3. Irving Berlin won the Oscar, and presented it to himself ...
The song’s titular film soon after became a hit as well, as White Christmas was the most successful movie in 1954.. This was the #1 box office hit of 1954, with rentals of $12 million, beating ...
Nearest white dwarf: Sirius B: 1852 8.6 light-years (2.6 pc) Sirius B is also the second white dwarf discovered, after 40 Eridani B. [9] [25] [26] Nearest brown dwarf: Luhman 16: 2013 6.5 light-years (2.0 pc) This is a pair of brown dwarfs in a binary system, with no other stars. [27] Nearest Luminous Blue Variable: P Cygni: 5,251 light-years ...