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WISEPA J041022.71 150248.5

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Constellation
  
Taurus

Parallax (π)
  
160 ± 9 mas

Apparent magnitude (J (MKO filter system))
  
19.25 ± 0.5

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Pi Tauri, Psi Tauri, 37 Tauri, Mu Tauri

WISE 0410+1502 (full designation WISEPA J041022.71+150248.5) is a brown dwarf of spectral class Y0, located in constellation Taurus. Being approximately 20.4 light-years from Earth, it is one of the Sun's nearest neighbors, especially assuming outdated parallax by Marsh et al., corresponding to even closer distance of approximately 14 light-years.

Contents

Discovery

WISE 0410+1502 was discovered in 2011 from data, collected by Wide-field Infrared Survey Explorer (WISE) Earth-orbiting satellite — NASA infrared-wavelength 40 cm (16 in) space telescope, which mission lasted from December 2009 to February 2011. WISE 0410+1502 has two discovery papers: Kirkpatrick et al. (2011) and Cushing et al. (2011), however, basically with the same authors and published nearly simultaneously.

  • Kirkpatrick et al. presented discovery of 98 new found by WISE brown dwarf systems with components of spectral types M, L, T and Y, among which also was WISE 0410+1502.
  • Cushing et al. presented discovery of seven brown dwarfs — one of T9.5 type, and six of Y-type — first members of the Y spectral class, ever discovered and spectroscopically confirmed, including "archetypal member" of the Y spectral class WISE 1828+2650, and WISE 0410+1502. These seven objects are also the faintest seven of 98 brown dwarfs, presented in Kirkpatrick et al. (2011).

    • Distance

    Currently the most accurate distance estimate of WISE 0410+1502 is a trigonometric parallax, published in 2014 by Beichman et al.: 0.160 ± 0.009 arcsec, corresponding to a distance 6.3+0.4
    −0.3     pc, or 20.4+1.2
    −1.1     ly.

    Space motion

    WISE 0410+1502 has a large proper motion of about 2419 milliarcseconds per year.

    Temperature

    The object's temperature estimate is 450 (400—500) K.

    References

    WISEPA J041022.71+150248.5 Wikipedia
    (Text) CC BY-SA