WISE 0359−5401

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Coordinates: Sky map 03h 59m 34.06s, −54° 01′ 54.6″

WISE J035934.06−540154.6
Observation data
Epoch J2000[1]      Equinox J2000[1]
Constellation Reticulum
Right ascension 03h 59m 34.06s[1]
Declination −54° 01′ 54.6″[1]
Spectral type Y0[1]
Apparent magnitude (J (MKO-NIR filter system)) 21.56±0.24[1]
Apparent magnitude (H (MKO-NIR filter system)) 22.20±0.43[1]
Proper motion (μ) RA: −177±53[2] mas/yr
Dec.: −930±62[2] mas/yr
Parallax (π) 145 ± 39[2] mas
Distance 22.5+8.3
[3] ly
[3] pc)
Other designations
WISE J035934.06−540154.6,[1]
WISE 0359−5401[1]
Database references

WISE J035934.06−540154.6 (designation abbreviated to WISE 0359−5401) is a brown dwarf of spectral class Y0,[1] located in constellation Reticulum. Estimated to be approximately 22.5 light-years from Earth[3], it is one of the Sun's nearest neighbors.


WISE 0359−5401 was discovered in 2012 by J. Davy Kirkpatrick and colleagues from data collected by the Wide-field Infrared Survey Explorer (WISE) in the infrared at a wavelength of 40 cm (16 in), whose mission lasted from December 2009 to February 2011. In 2012 Kirkpatrick et al. published a paper in The Astrophysical Journal, where they presented discovery of seven new found by WISE brown dwarfs of spectral type Y, among which also was WISE 0359−5401.[1]


The trigonometric parallax of WISE 0359−5401 is 0.145±0.039 arcsec[2], corresponding to a direct inversion distance[3] of 6.9+2.5
, or 22.5+8.3

See also[edit]

The other six discoveries of brown dwarfs, published in Kirkpatrick et al. (2012):[1]


  1. ^ a b c d e f g h i j k l Kirkpatrick, J. D.; Gelino, C. R.; Cushing, M. C.; Mace, G. N.; Griffith, R. L.; Skrutskie, M. F.; Marsh, K. A.; Wright, E. L.; Eisenhardt, P. R.; McLean, I. S.; Mainzer, A. K.; Burgasser, A. J.; Tinney, C. G.; Parker, S.; Salter, G. (2012). "Further Defining Spectral Type "Y" and Exploring the Low-mass End of the Field Brown Dwarf Mass Function". The Astrophysical Journal 753 (2): 156. arXiv:1205.2122. Bibcode:2012ApJ...753..156K. doi:10.1088/0004-637X/753/2/156. 
  2. ^ a b c d Marsh, Kenneth A.; Wright, Edward L.; Kirkpatrick, J. Davy; Gelino, Christopher R.; Cushing, Michael C.; Griffith, Roger L.; Skrutskie, Michael F.; Eisenhardt, Peter R. (2013). "Parallaxes and Proper Motions of Ultracool Brown Dwarfs of Spectral Types Y and Late T". The Astrophysical Journal 762 (2): 119. arXiv:1211.6977. Bibcode:2013ApJ...762..119M. doi:10.1088/0004-637X/762/2/119. 
  3. ^ a b c d Paterson, David.A. "Topics in Astronomy: Topic 8. Inappropriateness of the Lutz-Kelker equation for brown dwarfs". Retrieved on 24 September 2015.