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HD 34501


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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.

Two-colour photometry for 9473 components of close Hipparcos double and multiple stars
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ICCD Speckle Observations of Binary Stars. XIII. Measurements During 1989- 1994 From the Cerro Tololo 4 M Telescope
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Observations of double stars and new pairs. XV
The study reports visual and photographic measures listed for 1150 pairsobtained in the time frame 1989.91-1992.15, including 221 new doublestars. Magnitudes were estimated for a part of the objects, especiallythe fainter ones. Plate orientations were calculated from field stars ofknown positions and were precessed to the epoch; numbers of nights andof measured exposures are given. Reobservation of faint, neglected pairsreveal many corrections to the data from the old discovery lists.

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

Visual double stars measured at Lick Observatory Mount Hamilton, California.
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The masses of stars above the main sequence.
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Osservazione e dati astrometrici

Costellazione:Orione
Ascensione retta:05h18m03.49s
Declinazione:+03°41'30.4"
Magnitudine apparente:8.342
Distanza:112.108 parsec
Moto proprio RA:-60.9
Moto proprio Dec:2.4
B-T magnitude:8.782
V-T magnitude:8.379

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 34501
TYCHO-2 2000TYC 104-1527-1
USNO-A2.0USNO-A2 0900-01514747
HIPHIP 24714

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