WISE 0607+2429

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Coordinates: Sky map 06h 07m 38.65s, +24° 29′ 53.5″

WISEP J060738.65+242953.4
Observation data
Epoch 2010.30[1]      Equinox J2000[1]
Constellation Gemini
Right ascension 06h 07m 38.65s[1]
Declination 24° 29′ 53.5″[1]
Spectral type L8[1]
Apparent magnitude (i) 20.02 ± 0.03[1]
Apparent magnitude (z) 16.94 ± 0.01[1]
Apparent magnitude (J (2MASS filter system)) 14.22 ± 0.03[1]
Apparent magnitude (H (2MASS filter system)) 13.04 ± 0.03[1]
Apparent magnitude (KS (2MASS filter system)) 12.47 ± 0.02[1]
Proper motion (μ) RA: -470 ± 10[1] mas/yr
Dec.: -330 ± 20[1] mas/yr
Distance 25.4+4.6
[1] ly
[1] pc)
Mass 0.03—0.072 M
Luminosity 10−4.56 ± 0.09 L
Temperature 1460 ± 90 K
Other designations
WISEP J060738.65+242953.4[1]
2MASSW J06073908+2429574[1]
2MASS J06073908+2429574[2]
SDSS J060738.79+242954.4[1]
Database references

WISEP J060738.65+242953.4 (designation is abbreviated to W0607+2429[1]) is a brown dwarf of spectral class L8,[1] located in constellation Gemini at approximately 25 light-years from Earth.[1]


WISEP J060738.65+242953.4 was discovered in 2012 by Castro & Gizis from data, collected by Wide-field Infrared Survey Explorer (WISE) Earth-orbiting satelliteNASA infrared-wavelength 40 cm (16 in) space telescope, which mission lasted from December 2009 to February 2011. There are also precovery identifications of this object in Two Micron All-Sky Survey (2MASS) data (observation epoch 1998.11) and in the Sloan Digital Sky Survey (SDSS) (DR7) (observation epoch 2006.98).[1] In 2012 Castro & Gizis published a paper in The Astrophysical Journal, where they presented discovery of a newfound by WISE L-type brown dwarf WISEP J060738.65+242953.4 (a single discovery, presented in the article).[1]


Trigonometric parallax of WISEP J060738.65+242953.4 is not yet measured. Therefore, there are only distance estimates of this object, obtained by indirect — spectrophotometric — means (see table).

WISEP J060738.65+242953.4 distance estimates
Source Parallax, mas Distance, pc Distance, ly Ref.
Castro & Gizis (2012) 7.8+1.4

Non-trigonometric distance estimates are marked in italic.

Physical properties[edit]

WISEP J060738.65+242953.4 has temperature 1460 ± 90 K and bolometric luminosity 10−4.56 ± 0.09 Solar luminosities (the estimates are based on the object's spectral class (L8)).[3] Mass estimates, determined from this temperature, are from 0.03 (for an assumed age 0.5 Gyr) to 0.072 (for an assumed age 10 Gyr) Solar masses, anyway below the hydrogen-burning limit, which implies that WISEP J060738.65+242953.4 is not a true star, but only a substellar object.[3]

While some researchers had claimed that WISEP J060738.65+242953.4 may be viewed from its pole, or may rotate slowly because of its narrow spectral lines, later work demonstrated that both of these claims were unlikely.[4] This latter study estimated that the size of the radio-emitting magnetosphere is approximately 107 m.

See also[edit]


  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x y Castro, Philip J.; Gizis, John E. (2012). "Discovery of a Late L Dwarf: WISEP J060738.65+242953.4". The Astrophysical Journal. 746 (1): 3. arXiv:1110.4351Freely accessible. Bibcode:2012ApJ...746....3C. doi:10.1088/0004-637X/746/1/3. 
  2. ^ "2MASS J06073908+2429574 -- Infrared source". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2012-12-24. 
  3. ^ a b Gizis, John E.; Burgasser, Adam J.; Faherty, Jacqueline K.; Castro, Philip J.; Shara, Michael M. (2011). "WISEP J180026.60+013453.1: A nearby late-L Dwarf near the Galactic Plane". The Astronomical Journal. 142 (5): 171. arXiv:1109.0054Freely accessible. Bibcode:2011AJ....142..171G. doi:10.1088/0004-6256/142/5/171. 
  4. ^ Route, Matthew (July 10, 2017). "Is WISEP J060738.65+242953.4 Really A Magnetically Active, Pole-on L Dwarf?". The Astrophysical Journal. 843: 115. arXiv:1706.03010Freely accessible. Bibcode:2017ApJ...843..115R. doi:10.3847/1538-4357/aa78ab.