C
Conard C. Dahn
Researcher at United States Department of the Navy
Publications - 62
Citations - 9975
Conard C. Dahn is an academic researcher from United States Department of the Navy. The author has contributed to research in topics: Stars & Brown dwarf. The author has an hindex of 29, co-authored 62 publications receiving 9655 citations.
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Journal ArticleDOI
The usno-b catalog
David G. Monet,Stephen E. Levine,B. Canzian,Harold D. Ables,Alan R. Bird,Conard C. Dahn,Harry H. Guetter,Hugh C. Harris,Arne Henden,S. K. Leggett,Harold F. Levison,Christian B. Luginbuhl,Joan Martini,Alice K. B. Monet,Jeffrey A. Munn,Jeffrey R. Pier,A. Rhodes,Betty Riepe,S. Sell,Ronald C. Stone,Frederick J. Vrba,Richard L. Walker,G. Westerhout,Robert J. Brucato,Neill Reid,Neill Reid,William Schoening,M. Hartley,Mike Read,Sara Tritton +29 more
TL;DR: USNO-B is an all-sky catalog that presents positions, proper motions, magnitudes in various optical passbands, and star/galaxy estimators for 1,042,618,261 objects derived from 3,643,201,733 separate observations as mentioned in this paper.
Journal ArticleDOI
Dwarfs Cooler Than M: The Definition of Spectral Type L Using Discoveries from the 2-Micron All-Sky Survey (2MASS)
J. Davy Kirkpatrick,I. Neill Reid,James Liebert,Roc M. Cutri,Brant O. Nelson,Charles Beichman,Conard C. Dahn,David G. Monet,John E. Gizis,Michael F. Skrutskie +9 more
TL;DR: In the first 371 sq. deg. of actual 2MASS survey data, they identified another twenty objects spectroscopically confirmed using the Low Resolution Imaging Spectrograph (LRIS) at the W.M. Keck Observatory.
Journal ArticleDOI
Astrometry and photometry for cool dwarfs and brown dwarfs
Conard C. Dahn,Hugh C. Harris,Frederick J. Vrba,Harry H. Guetter,B. Canzian,Arne Henden,Stephen E. Levine,Christian B. Luginbuhl,Alice K. B. Monet,David G. Monet,Jeffrey R. Pier,Ronald C. Stone,Richard L. Walker,Adam J. Burgasser,John E. Gizis,John E. Gizis,J. Davy Kirkpatrick,James Liebert,I. Neill Reid +18 more
TL;DR: In this paper, a trigonometric parallax determination for 28 late-type dwarfs and brown dwarfs is presented, including eight M dwarfs with spectral types between M7 and M9.
Journal ArticleDOI
67 Additional L Dwarfs Discovered by the Two Micron All Sky Survey
J. Davy Kirkpatrick,I. Neill Reid,James Liebert,John E. Gizis,Adam J. Burgasser,David G. Monet,Conard C. Dahn,Brant O. Nelson,R. Williams +8 more
TL;DR: In this article, photometry, far red spectra, and spectral classifications for an additional 67 L dwarfs discovered by the Two Micron All Sky Survey are presented, and a table of all known L and T dwarfs believed to lie within 25 pc of the Sun.
Journal ArticleDOI
Sixty-seven Additional L Dwarfs Discovered by the Two Micron All Sky Survey (2MASS)
J. Davy Kirkpatrick,I. Neill Reid,James Liebert,John E. Gizis,Adam J. Burgasser,David G. Monet,Conard C. Dahn,Brant O. Nelson,Rik J. Williams +8 more
TL;DR: In this article, photometry, far red spectra, and spectral classifications for an additional 67 L dwarfs discovered by the Two Micron All Sky Survey are presented, and a table of all known L and T dwarfs believed to lie within 25 parsecs of the Sun is also presented.