HD 74469

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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.

ICCD Speckle Observations of Binary Stars. XIII. Measurements During 1989- 1994 From the Cerro Tololo 4 M Telescope
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....111..936H&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:	Su Yilani
Sað Açýklýk:	08^h44^m04.06^s
Yükselim:	-04Â°12'07.8"
Görünürdeki Parlaklýk:	7.309
Uzaklýk:	175.747 parsek
özdevim Sað Açýklýk:	-21.1
özdevim Yükselim:	-2.9
B-T magnitude:	7.489
V-T magnitude:	7.324

Kataloglar ve belirtme:

Özgün isimleri	(Edit)
HD 1989	HD 74469
TYCHO-2 2000	TYC 4871-1242-1
USNO-A2.0	USNO-A2 0825-06523653
HIP	HIP 42863

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