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  2. Lalande 21185 - Wikipedia

    • Lalande 21185 (also known as BD+36 2147, Gliese 411, and HD 95735 ) is a star in the south of Ursa Major. It is the apparent brightest red dwarf in the northern hemisphere. Despite this, and being relatively close by, it is very dim (as are all red dwarfs), being only magnitude 7.5 in visible light and thus too faint to be seen with the unaided eye. The star is visible through … See more

    History

    The celestial coordinates of Lalande 21185 were first published in 1801 by French astronomer Jérôme Lalande of the
    In … See more

    Properties

    Lalande 21185 is a typical type-M main-sequence star (red dwarf) with about 39% of the mass and radius of the Sun. It is also much cooler than the Sun with a surface temperature of 3,550 K. With just 2.2% of the Sun's lu… See more

    Planetary system

    Data published in 2017 from the HIRES system at the Keck Observatory on Mauna Kea supported the existence of a close-in planet with an orbital period of just 9.8693±0.0016 days, being at least 3.8 ME. Further radi… See more

    External links

    "Lalande 21185". David's Astronomy Pages. Retrieved 2008-06-22.
    Extrasolar Planets Encyclopaedia: Confirmed (planet candidate) super-Earth planet Lalande 21185 b. Retrieved 2017-02-15… See more

     
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  2. Lalande 21185 - Astronomy Magazine

    Jan 1, 2024 · Lalande 21185 is the brightest red dwarf in the northern sky and the fourth-closest star to Earth. It has two exoplanets, one with a 12.95-day orbit and another with an eight-year period.

     
  3. Lalande 21185 - Stellar Catalog

    Nearby star Lalande 21185 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 40 % of the size of Sun and temperature on its surface is around 3601 K (3328 °C), which is about 62 % of Sun's temperature.

  4. Lalande 21185 - Nova.Org

    Lalande 21185 is a dim, flare star located 8.3 light-years away in Ursa Major. It may have one or more Jupiter-like planets in its habitable zone, based on astrometric measurements and theoretical models.

  5. Lalande 21185 - HyperPhysics

  6. Lalande 21185 - Wikiwand

  7. Red dwarf Lalande 21185 - Scientific Amateur …

    Apr 2, 2021 · Red dwarfs (spectral class M V) are the most common stars in the Galaxy but quite dim. The brightest red dwarf in the northern hemisphere is Lalande 21185 (= Gliese 411 = HD 95735) with m v = 7.5 mag (M2 V spectral …

  8. Lalande 21185 - Simple English Wikipedia, the free encyclopedia

  9. Lalande 21185 - My Space Stories

    Jan 1, 2024 · Learn about Lalande 21185, the fourth-closest star system to Earth, and its two exoplanets. Find out how to observe this red dwarf star and its history of discovery.

  10. APOD: October 19, 1996 - Lalande 21185: The …

    Learn about the possible planets of Lalande 21185, a red dwarf star 8 light years away, from an astronomer's explanation and an artist's vision. Find out how they were detected by tracking the star's wobble and what they might be like.

  11. Lalande 21185 - Infogalactic: the planetary knowledge core

  12. Lalande 21185 - YouTube

  13. Our New Neighbor Orbiting Lalande 21185 - Drew Ex Machina

  14. Lalande 21185 - Vaporia

  15. Lalande 21185 - David Darling

  16. eSky: Lalande 21185

  17. Lalande 21185 - celestia.mobi

  18. Lalande 21185 - Detailed Pedia

  19. Lalande 21185 - Vikipedi

  20. Lalande 21185 | Terraforming Wiki | Fandom

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