WISE 0734−7157

WISE J073444.02−715744.0

Observation data Epoch J2000      Equinox J2000
Constellation	Volans
Right ascension	07h 34m 44.02s
Declination	−71° 57′ 44″
Characteristics
Spectral type	Y0
Apparent magnitude (J (MKO-NIR filter system))	20.41 ± 0.27
Astrometry
Distance	~ 34.9 ly (~ 10.7 pc)
Other designations
WISE J073444.02−715744.0, WISE 0734−7157

WISE J073444.02−715744.0 (designation abbreviated to WISE 0734−7157) is a brown dwarf of spectral class Y0, located in constellation Volans at approximately 35 light-years from Earth. It is one of the furthest Y0 brown dwarfs known.

Discovery

WISE 0734−7157 was discovered in 2012 by J. Davy Kirkpatrick 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. 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 0734−7157.

Distance

Trigonometric parallax of WISE 0734−7157 is not yet measured. Therefore, there are only distance estimates of this object, obtained by indirect — spectrofotometric — means (see table).

WISE 0734−7157 distance estimates

Source	Parallax, mas	Distance, pc	Distance, ly	Ref.
Kirkpatrick et al. (2012), Table 8		10.7	34.9

Non-trigonometric distance estimates are marked in italic.

See also

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

• WISE 0146+4234 (Y0)
• WISE 0350−5658 (Y1)
• WISE 0359−5401 (Y0)
• WISE 0535−7500 (≥Y1)
• WISE 0713−2917 (Y0)
• WISE 2220−3628 (Y0)