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HD 163025

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Properties of AM stars in the Geneva photometric system Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&A....92..289H&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.
Catalogue of AM stars with known spectral types Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973A&AS...10..385H&db_key=AST
Luminosity determination of OB stars by Hbeta indices Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&A.....9..453H&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:	Akrep
Sað Açýklýk:	17^h56^m04.45^s
Yükselim:	-42Â°19'24.0"
Görünürdeki Parlaklýk:	6.78
Uzaklýk:	238.663 parsek
özdevim Sað Açýklýk:	7.9
özdevim Yükselim:	-35
B-T magnitude:	7.091
V-T magnitude:	6.806

Kataloglar ve belirtme:

Özgün isimleri	(Edit)
HD 1989	HD 163025
TYCHO-2 2000	TYC 7894-2422-1
USNO-A2.0	USNO-A2 0450-31404690
HIP	HIP 87794

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