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HD 147438


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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.

Space distribution of stars in the southern Milky Way. I. A region in Nor.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1968AJ.....73..590D&db_key=AST

A survey of stars with composite spectra.
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Cetvel
Sað Açýklýk:16h24m47.06s
Yükselim:-53°34'55.5"
Görünürdeki Parlaklýk:7.7
Uzaklýk:884.956 parsek
özdevim Sað Açýklýk:-4.9
özdevim Yükselim:-7.8
B-T magnitude:8.809
V-T magnitude:7.792

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 147438
TYCHO-2 2000TYC 8711-2861-1
USNO-A2.0USNO-A2 0300-28274961
HIPHIP 80412
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