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HD 157984


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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

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Observation and Astrometry data

Constellation:Ophiucus
Right ascension:17h26m39.96s
Declination:-01°00'06.0"
Apparent magnitude:7.645
Distance:147.929 parsecs
Proper motion RA:16.6
Proper motion Dec:-17
B-T magnitude:8.034
V-T magnitude:7.678

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 157984
TYCHO-2 2000TYC 5067-1155-1
USNO-A2.0USNO-A2 0825-10498945
HIPHIP 85368

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