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HD 29962


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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.

Speckle interferometric measurements of binary stars. VIII
Six hundred measurements of 331 binary stars observed during 1980 bymeans of speckle interferometry with the 4 m telescope at Kitt PeakNational Observatory are presented. Thirty-two systems are directlyresolved for the first time. Newly resolved spectroscopic binariesinclude HR 2001, 53 Dam, HR 6388, HR 6469, 31 Omicron-2 Cyg, HR 7922,and alpha Equ.

A survey of stars with composite spectra.
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Irmak
Sað Açýklýk:04h42m31.72s
Yükselim:-20°58'23.2"
Görünürdeki Parlaklýk:7.764
Uzaklýk:387.597 parsek
özdevim Sað Açýklýk:-0.1
özdevim Yükselim:-2.6
B-T magnitude:8.395
V-T magnitude:7.817

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 29962
TYCHO-2 2000TYC 5898-1967-1
USNO-A2.0USNO-A2 0675-01671441
HIPHIP 21900
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