2016
DOI: 10.1051/0004-6361/201527359
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Photometric brown-dwarf classification

Abstract: We present a homogeneous sample of 1361 L and T dwarfs brighter than J = 17.5 (of which 998 are new), from an effective area of 3070 deg 2 , classified by the photo-type method to an accuracy of one spectral sub-type using izY JHKW1W2 photometry from SDSS+UKIDSS+WISE. Other than a small bias in the early L types, the sample is shown to be effectively complete to the magnitude limit, for all spectral types L0 to T8. The nature of the bias is an incompleteness estimated at 3% because peculiar blue L dwarfs of ty… Show more

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Cited by 57 publications
(72 citation statements)
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“…In Skrzypek et al (2016) the method was applied to the classification of point sources in the magnitude range 13.0 < J < 17.5, with colours Y − J > 0.8, resulting in a sample of 1281 L and 80 T dwarfs, from an effective area of 3070 deg 2 . The matching radius criteria (within UKIDSS, and in matching to SDSS and WISE) ensures that incompleteness due to proper motion is negligible.…”
Section: Photo-type Methodsmentioning
confidence: 99%
See 2 more Smart Citations
“…In Skrzypek et al (2016) the method was applied to the classification of point sources in the magnitude range 13.0 < J < 17.5, with colours Y − J > 0.8, resulting in a sample of 1281 L and 80 T dwarfs, from an effective area of 3070 deg 2 . The matching radius criteria (within UKIDSS, and in matching to SDSS and WISE) ensures that incompleteness due to proper motion is negligible.…”
Section: Photo-type Methodsmentioning
confidence: 99%
“…The goal of the current paper is to extend the survey of Skrzypek et al (2016) to earlier spectral types M7 to M9.5. The methods used are almost identical to those previously used.…”
Section: Selection Of M7 To M95 Dwarfsmentioning
confidence: 99%
See 1 more Smart Citation
“…Currently, more than one thousand brown dwarfs (BDs) have been identified over the past 20 years, either isolated, in binary systems, or in orbit around more massive stars (see Skrzypek et al 2016 …”
Section: Introductionmentioning
confidence: 99%
“…Further, there is increasing evidence of a continuum of masses between planets and stars through brown dwarfs such as L dwarfs, T dwarfs and Y dwarfs (e.g. Skrzypek et al 2016). Although the definition of "planet" has become ambiguous, the boundary between planet mass and brown dwarf mass still lies in a restricted range from about 0.010M⊙ to 0.015M⊙ (e.g.…”
Section: Mass Cutsmentioning
confidence: 99%