A New Population of Brown Dwarfs

M.R.S. Hawkins; C. Ducourant; H.R.A. Jones; M. Rapaport

A New Population of Brown Dwarfs

M.R.S. Hawkins, C. Ducourant, H.R.A. Jones, M. Rapaport

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Abstract

A large area deep survey for brown dwarfs from digitally stacked 1.2m Schmidt plates has revealed a population of very red stars (R-I>3). On the basis of their colours, near IR spectra and their luminosity estimates from proper motions, these objects appeared to be Brown Dwarfs. First measurements of the parallaxes of 8 of the reddest objects at the 1.5 danish telescope confirmed this, and showed that four of them have K-band luminosities some mags below the bottom of the main sequence. We present here those results.

Original language	English
Title of host publication	In: Brown Dwarfs and Extrasolar Planets - ASP Conf Series 134
Publisher	Astronomical Society of the Pacific
Pages	106-8
ISBN (Print)	1-886733-54-6
Publication status	Published - 1998

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title = "A New Population of Brown Dwarfs",

abstract = "A large area deep survey for brown dwarfs from digitally stacked 1.2m Schmidt plates has revealed a population of very red stars (R-I>3). On the basis of their colours, near IR spectra and their luminosity estimates from proper motions, these objects appeared to be Brown Dwarfs. First measurements of the parallaxes of 8 of the reddest objects at the 1.5 danish telescope confirmed this, and showed that four of them have K-band luminosities some mags below the bottom of the main sequence. We present here those results.",

author = "M.R.S. Hawkins and C. Ducourant and H.R.A. Jones and M. Rapaport",

note = "Original paper can be found at: http://www.astrosociety.org/pubs/cs/113-155.html--Copyright Astronomical Society of the Pacific",

year = "1998",

language = "English",

isbn = "1-886733-54-6",

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publisher = "Astronomical Society of the Pacific",

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TY - GEN

T1 - A New Population of Brown Dwarfs

AU - Hawkins, M.R.S.

AU - Ducourant, C.

AU - Jones, H.R.A.

AU - Rapaport, M.

N1 - Original paper can be found at: http://www.astrosociety.org/pubs/cs/113-155.html--Copyright Astronomical Society of the Pacific

PY - 1998

Y1 - 1998

N2 - A large area deep survey for brown dwarfs from digitally stacked 1.2m Schmidt plates has revealed a population of very red stars (R-I>3). On the basis of their colours, near IR spectra and their luminosity estimates from proper motions, these objects appeared to be Brown Dwarfs. First measurements of the parallaxes of 8 of the reddest objects at the 1.5 danish telescope confirmed this, and showed that four of them have K-band luminosities some mags below the bottom of the main sequence. We present here those results.

AB - A large area deep survey for brown dwarfs from digitally stacked 1.2m Schmidt plates has revealed a population of very red stars (R-I>3). On the basis of their colours, near IR spectra and their luminosity estimates from proper motions, these objects appeared to be Brown Dwarfs. First measurements of the parallaxes of 8 of the reddest objects at the 1.5 danish telescope confirmed this, and showed that four of them have K-band luminosities some mags below the bottom of the main sequence. We present here those results.

M3 - Conference contribution

SN - 1-886733-54-6

SP - 106

EP - 108

BT - In: Brown Dwarfs and Extrasolar Planets - ASP Conf Series 134

PB - Astronomical Society of the Pacific

ER -

A New Population of Brown Dwarfs

Abstract

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