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HD 18064

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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.

A finding list of stars of spectral type A7 and earlier in regions at high galactic latitudes. VI. Near South Galactic Pole.
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:	Ocak
Sað Açýklýk:	02^h53^m14.31^s
Yükselim:	-29Â°49'58.2"
Görünürdeki Parlaklýk:	8.664
Uzaklýk:	132.275 parsek
özdevim Sað Açýklýk:	38.1
özdevim Yükselim:	27.5
B-T magnitude:	9.057
V-T magnitude:	8.697

Kataloglar ve belirtme:

Özgün isimleri
HD 1989	HD 18064
TYCHO-2 2000	TYC 6443-443-1
USNO-A2.0	USNO-A2 0600-01131376
HIP	HIP 13454

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