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TYC 1469-284-1


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ICCD Speckle Observations of Binary Stars. XXIII. Measurements during 1982-1997 from Six Telescopes, with 14 New Orbits
We present 2017 observations of 1286 binary stars, observed by means ofspeckle interferometry using six telescopes over a 15 year period from1982 April to 1997 June. These measurements constitute the 23dinstallment in CHARA's speckle program at 2 to 4 m class telescopes andinclude the second major collection of measurements from the MountWilson 100 inch (2.5 m) Hooker Telescope. Orbital elements are alsopresented for 14 systems, seven of which have had no previouslypublished orbital analyses.

Measurements of binary stars made at Nice
Results are presented for 753 measurements of 267 binary stars that weremade with the 50- and 74-cm refractors at Nice Observatory. Coordinatesfor the equinox of 1950 are provided, along with apparent magnitudes,spectral types, and probable periods. It is noted that three-quarters ofthese systems are recently discovered close binaries.

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 à Nice aux lunettes de 50 et de 74 CM
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&AS....3...51C&db_key=AST

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Miembro de los siguientes grupos:

Datos observacionales y astrométricos

Constelación:Boyero
Ascensión Recta:14h17m29.93s
Declinación:+17°22'21.1"
Magnitud Aparente:9.189
Movimiento Propio en Ascensión Recta:30.2
Movimiento Propio en Declinación:-11.6
B-T magnitude:9.764
V-T magnitude:9.237

Catálogos y designaciones:
Nombres Propios
TYCHO-2 2000TYC 1469-284-1
USNO-A2.0USNO-A2 1050-07140505
HIPHIP 69831
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