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HD 114294


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Improved Astrometry and Photometry for the Luyten Catalog. II. Faint Stars and the Revised Catalog
We complete construction of a catalog containing improved astrometry andnew optical/infrared photometry for the vast majority of NLTT starslying in the overlap of regions covered by POSS I and by the secondincremental Two Micron All Sky Survey (2MASS) release, approximately 44%of the sky. The epoch 2000 positions are typically accurate to 130 mas,the proper motions to 5.5 mas yr-1, and the V-J colors to0.25 mag. Relative proper motions of binary components are measured to 3mas yr-1. The false-identification rate is ~1% for11<~V<~18 and substantially less at brighter magnitudes. Theseimprovements permit the construction of a reduced proper-motion diagramthat, for the first time, allows one to classify NLTT stars intomain-sequence (MS) stars, subdwarfs (SDs), and white dwarfs (WDs). We inturn use this diagram to analyze the properties of both our catalog andthe NLTT catalog on which it is based. In sharp contrast to popularbelief, we find that NLTT incompleteness in the plane is almostcompletely concentrated in MS stars, and that SDs and WDs are detectedalmost uniformly over the sky δ>-33deg. Our catalogwill therefore provide a powerful tool to probe these populationsstatistically, as well as to reliably identify individual SDs and WDs.

New proper motion determination of Luyten catalogue stars (LTT) south of declination -40 deg and right ascension between 04 H 30 M and 16 H 00 M
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1992A&AS...92..449W&db_key=AST

Spectral Classification and DDO Photometry of a Southern Group of Stars with Common Motions - Part One
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1982PASP...94..304L&db_key=AST

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Observation and Astrometry data

Constellation:Centaurus
Right ascension:13h10m13.47s
Declination:-44°35'23.5"
Apparent magnitude:9.159
Proper motion RA:-198.8
Proper motion Dec:17.2
B-T magnitude:10.154
V-T magnitude:9.242

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 114294
TYCHO-2 2000TYC 7786-1606-1
USNO-A2.0USNO-A2 0450-15262336
HIPHIP 64259

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