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HD 177434


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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

A preliminary compilation of DS-programme star positions
A catalog is presented of the double-star-program (DS-program) starpositions, listing right ascensions for 930 DSs and declinations for1225 DSs of the program. The positions were compiled from the observedvalues obtained between 1980 and 1987 with the meridian circles of sixUSSR observatories (the Moscow, Kazan', Kiev, Khar'kov, Odessa, andTashkent Observatories) and the Belgrade Observatory. The measurementsand the treatment of the observational material were performed using therelative method, and the FK-4 system stars were used as reference stars.

A second list of wide visual binaries
Not Available

Spectral Classifications for New or Unclassified Emission-Line Carbon and s, Long-Period Variable, and Double Stars.
Abstract image available at:http://adsabs.harvard.edu/abs/1961ApJ...133..920N

Nova Herculis 1960
Not Available

Mesures d'étoiles doubles
Not Available

Mesures micrométriques d'étoiles doubles
Not Available

Spectral and Luminosity Classification of the Bright Sequence Stars in the C Regions.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1955ApJ...121...32N&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Kartal
Sað Açýklýk:19h04m04.23s
Yükselim:+14°47'01.9"
Görünürdeki Parlaklýk:8.881
Uzaklýk:10000000 parsek
özdevim Sað Açýklýk:10
özdevim Yükselim:4.4
B-T magnitude:9.423
V-T magnitude:8.926

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 177434
TYCHO-2 2000TYC 1052-639-1
USNO-A2.0USNO-A2 0975-14011383
HIPHIP 93635

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