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HD 93665


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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.

ICCD speckle observations of binary stars. VIII - Measurements during 1989-1991 from the Cerro Tololo 4 M telescope
One-thousand eighty-eight observations of 947 binary star systems,observed by means of speckle interferometry with the 4 m telescope onCerro Tololo, are presented. These measurements, made during the period1989-1991, comprise the second installment of results stemming from theexpansion of our speckle program to the southern hemisphere.

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

Micrometric Measures of Double Stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974ApJS...28..413V&db_key=AST

Mesures d'etoiles doubles faites AU 38cm de l'Observatoire de Paris.
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Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice
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Membro dei seguenti gruppi:

Osservazione e dati astrometrici

Costellazione:Sestante
Ascensione retta:10h48m48.89s
Declinazione:+01°24'12.0"
Magnitudine apparente:9.305
Moto proprio RA:0.1
Moto proprio Dec:5.9
B-T magnitude:9.703
V-T magnitude:9.338

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 93665
TYCHO-2 2000TYC 254-872-1
USNO-A2.0USNO-A2 0900-06779171
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