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HD 179071


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Speckle Interferometry at the US Naval Observatory. VI.
The results of 1068 speckle interferometric observations of doublestars, made with the 26 inch (0.66 m) refractor of the US NavalObservatory, are presented. These observations are averaged into 841means of 815 binary stars. The systems range in separation from 0.22" to6.01" with a mean separation of 2.21" and have a limiting secondarymagnitude of V=12.5. This is the sixth in a series of papers presentingmeasures obtained with this system, and it covers the period 1999January 1 through 2000 January 9.

Micrometer Measures of Double Stars
Micrometer measures of 795 double stars made with the 26 inch (0.66 m)refractor of the US Naval Observatory from 1984 to 1990 are presented.

Micrometer Observations of Double Stars and New Pairs - Part Ten
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980ApJS...44..111H&db_key=AST

Double star measures at Lick Observatory, Mount Hamilton, California.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1978PASP...90..465H&db_key=AST

Mesures d'étoiles doubles visuelles
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&AS....3...71M&db_key=AST

Mesures d'étoiles doubles faites au 0,38 m de l'Observatoire de Paris.
Not Available

Micrometer measures of double stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1962AJ.....67..141V&db_key=AST

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Dades d'Observació i Astrometria

Constel·lació:Sagitta
Ascensió Recta:19h10m22.65s
Declinació:+20°29'40.5"
Magnitud Aparent:9.002
Moviment propi RA:-0.3
Moviment propi Dec:-9
B-T magnitude:9.215
V-T magnitude:9.02

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 179071
TYCHO-2 2000TYC 1594-400-1
USNO-A2.0USNO-A2 1050-13212677
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