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HD 161197


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Stroemgren photometry of F- and G-type stars brighter than V = 9.6. I. UVBY photometry
Within the framework of a large photometric observing program, designedto investigate the Galaxy's structure and evolution, Hβ photometryis being made for about 9000 stars. As a by-product, supplementary uvbyphotometry has been made. The results are presented in a cataloguecontaining 6924 uvby observations of 6190 stars, all south ofδ=+38deg. The overall internal rms errors of one observation(transformed to the standard system) of a program star in the interval6.5

Photoelectric photometry of selected AG stars in the 25D to 30D zone.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1968AJ.....73..187B&db_key=AST

The visual magnitudes of double stars.
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Herkul
Sað Açýklýk:17h43m10.63s
Yükselim:+24°47'10.9"
Görünürdeki Parlaklýk:7.943
Uzaklýk:80.257 parsek
özdevim Sað Açýklýk:-47
özdevim Yükselim:-22.3
B-T magnitude:8.807
V-T magnitude:8.015

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 161197
TYCHO-2 2000TYC 2080-1785-1
USNO-A2.0USNO-A2 1125-08516847
HIPHIP 86721
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