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HD 104533


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ICCD speckle observations of binary stars. VIII - Measurements during 1989-1991 from the Cerro Tololo 4 M telescope
One-thousand eighty-eight observations of 947 binary star systems,observed by means of speckle interferometry with the 4 m telescope onCerro Tololo, are presented. These measurements, made during the period1989-1991, comprise the second installment of results stemming from theexpansion of our speckle program to the southern hemisphere.

ICCD speckle observations of binary stars. V - Measurements during 1988-1989 from the Kitt Peak and the Cerro Tololo 4 M telescopes
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1990AJ.....99..965M&db_key=AST

Estimation of spectral classifications for bright southern stars with interesting Stromgren indices
This paper investigates the degree of success with which uvby photometrycan be applied to predict spectral classifications for 947 A, F, and Gstars brighter than an apparent magnitude of 8.3 and with four-colorindices indicating some kind of interesting, unusual, or peculiarspectrum. One or several possible spectral classifications are estimatedfor each star from photometry alone, double stars are distinguished, andthe estimates are compared with published classifications. The resultsshow that the framework provided by uvby photometry can be extended toinclude most G and K stars, reddened stars, peculiar stars, and certaintypes of double star.

A survey of stars with composite spectra.
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Observation and Astrometry data

Constellation:Centaurus
Right ascension:12h02m15.21s
Declination:-52°31'47.4"
Apparent magnitude:7.57
Distance:221.239 parsecs
Proper motion RA:-31.8
Proper motion Dec:-4.3
B-T magnitude:8.09
V-T magnitude:7.613

Catalogs and designations:
Proper Names
HD 1989HD 104533
TYCHO-2 2000TYC 8632-746-1
USNO-A2.0USNO-A2 0300-14595580
HIPHIP 58692

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