HD 71926

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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.

The Kreinin-Murri Method for Absolute Determination of Equatorial-Star Declinations.
Not Available

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Ýlgili Baðlantýlar

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sonraki gruplarýn üyesi:

Gözlemler ve gökölçümü verileri

Takýmyýldýz:	Su Yilani
Sað Açýklýk:	08^h29^m55.17^s
Yükselim:	+00Â°01'09.5"
Görünürdeki Parlaklýk:	7.05
Uzaklýk:	103.734 parsek
özdevim Sað Açýklýk:	-23.2
özdevim Yükselim:	-12.4
B-T magnitude:	8.05
V-T magnitude:	7.133

Kataloglar ve belirtme:

Özgün isimleri
HD 1989	HD 71926
TYCHO-2 2000	TYC 197-1938-1
USNO-A2.0	USNO-A2 0900-06001809
HIP	HIP 41688

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