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  2. White dwarf - Wikipedia

    en.wikipedia.org/wiki/White_dwarf

    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 ...

  3. List of white dwarfs - Wikipedia

    en.wikipedia.org/wiki/List_of_white_dwarfs

    Sirius B: 1852 Sirius system Sirius B is also the nearest white dwarf (as of 2005) [1] [2] First found in a binary star system First double white dwarf system LDS 275: 1944 L 462-56 system [3] First solitary white dwarf Van Maanen 2: 1917 Van Maanen's star is also the nearest solitary white dwarf [4] First white dwarf with a planet WD B1620− ...

  4. Timeline of white dwarfs, neutron stars, and supernovae

    en.wikipedia.org/wiki/Timeline_of_white_dwarfs...

    1910 – the spectrum of 40 Eridani B is observed, making it the first confirmed white dwarf. 1914 – Walter Sydney Adams determines an incredibly high density for Sirius B. 1926 – Ralph Fowler uses Fermi–Dirac statistics to explain white dwarf stars. 1930 – Subrahmanyan Chandrasekhar discovers the white dwarf maximum mass limit.

  5. List of smallest known stars - Wikipedia

    en.wikipedia.org/wiki/List_of_smallest_known_stars

    Currently the most massive white dwarf known. [16] Janus: 3,400 A white dwarf with a side of hydrogen and another side of helium. [17] Wolf 1130 B 3,480 [18] IK Pegasi B 4,174 The nearest supernova candidate. [19] Sirius B: 5,466 Historically first detected white dwarf star [20] LB 1497: 5,494.5 [21] 40 Eridani B 5,547.5 U Geminorum white dwarf ...

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  7. List of nearest stars - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_stars

    The closest encounter to the Sun so far predicted is the low-mass orange dwarf star Gliese 710 / HIP 89825 with roughly 60% the mass of the Sun. [4] It is currently predicted to pass 0.1696 ± 0.0065 ly (10 635 ± 500 au) from the Sun in 1.290 ± 0.04 million years from the present, close enough to significantly disturb the Solar System's Oort ...

  8. A-type main-sequence star - Wikipedia

    en.wikipedia.org/wiki/A-type_main-sequence_star

    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 ...

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