WISE J004945.61+215120.0

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Coordinates: Sky map 00h 49m 45.61s, +21° 51′ 20″

WISE J004945.61+215120.0
Observation data
Epoch J2000[1]:{{{3}}}      Equinox J2000[1]:{{{3}}}
Constellation Andromeda
Right ascension 00h 49m 45.61s[1]:{{{3}}}
Declination 21° 51′ 20″[1]:{{{3}}}
Characteristics
Spectral type T8.5[1]:{{{3}}}[2]:{{{3}}}
Astrometry
Distance ~ 24.1[1]:{{{3}}} ly
(~ 7.4[1]:{{{3}}} pc)
Other designations
WISE J004945.61+215120.0[1]:{{{3}}}

WISE J004945.61+215120.0 is a brown dwarf of spectral class T8.5,[1]:{{{3}}}[2]:{{{3}}} located in constellation Andromeda at approximately 24 light-years from Earth.[1]:{{{3}}}

Discovery

WISE J004945.61+215120.0 was discovered in 2012 by Mace et al. 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. The discovery paper in not yet published.[2]:{{{3}}}

Distance

Trigonometric parallax of WISE J004945.61+215120.0 is not yet measured. Therefore, there are only distance estimates of this object, obtained by indirect — spectrofotometric — means (see table).

WISE J004945.61+215120.0 distance estimates

Source Parallax, mas Distance, pc Distance, ly Ref.
Kirkpatrick et al. (2012), Tables 4 & 8 7.4 24.1 [1]:{{{3}}}

Non-trigonometric distance estimates are marked in italic.

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 2.2 Mace et al., in prep.[volume & issue needed]


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