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HD 40427

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ICCD Speckle Observations of Binary Stars. XVII. Measurements During 1993-1995 From the Mount Wilson 2.5-M Telescope.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1997AJ....114.1639H&db_key=AST

ICCD speckle observations of binary stars. IV - Measurements during 1986-1988 from the Kitt Peak 4 M telescope
One thousand five hundred and fifty measurements of 1006 binary starsystems observed mostly during 1986 through mid-1988 by means of speckleinterferometry with the KPNO 4-m telescope are presented. Twenty-onesystems are directly resolved for the first time, including newcomponents to the cool supergiant Alpha Her A and the Pleiades shellstar Pleione. A continuing survey of The Bright Star Catalogue yieldedeight new binaries from 293 bright stars observed. Corrections tospeckle measures from the GSU/CHARA ICCD speckle camera previouslypublished are presented and discussed.

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Dades d'Observació i Astrometria

Constel·lació:	Orion
Ascensió Recta:	05^h59^m22.51^s
Declinació:	+13Â°44'07.1"
Magnitud Aparent:	8.09
Distancia:	10000000 parsecs
Moviment propi RA:	5
Moviment propi Dec:	-6
B-T magnitude:	8.124
V-T magnitude:	8.093

Catàlegs i designacions:

Noms Propis
HD 1989	HD 40427
TYCHO-2 2000	TYC 728-3069-1
USNO-A2.0	USNO-A2 0975-02355333
HIP	HIP 28345

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