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HD 74406

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Two-colour photometry for 9473 components of close Hipparcos double and multiple stars Using observations obtained with the Tycho instrument of the ESAHipparcos satellite, a two-colour photometry is produced for componentsof more than 7 000 Hipparcos double and multiple stars with angularseparations 0.1 to 2.5 arcsec. We publish 9473 components of 5173systems with separations above 0.3 arcsec. The majority of them did nothave Tycho photometry in the Hipparcos catalogue. The magnitudes arederived in the Tycho B_T and V_T passbands, similar to the Johnsonpassbands. Photometrically resolved components of the binaries withstatistically significant trigonometric parallaxes can be put on an HRdiagram, the majority of them for the first time. Based on observationsmade with the ESA Hipparcos satellite.
ICCD Speckle Observations of Binary Stars.XV.An Investigation of Lunar Occultation Systems Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....112.2260M&db_key=AST
Photoelectric observations of lunar occultations. XII Occultation observations of 414 events observed between 6 July 1979 and4 September 1980 with the 0.76-m telescope of McDonald Observatory arereported. Timings and data on double stars are given. Angular diameterinformation in six cases is included. The stars concerned with their runnumbers are: SAO 161754 (5270); 94027 (Alpha Tau) (5319, 5381, 5454);159370 (Gamma Lib) (5325, 5571); 162413 (43 Sgr) (5332); 97472 (3 Cnc)(5414); and 93955 (Theta Tau) (5445).
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
Mikrometermessungen von Doppelsternen. VII Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&AS....1..393H&db_key=AST
Mikrometermessungen von Doppelsternen. V Not Available
Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice Not Available
Mesures d'étoiles doubles faites au 0,38 m de l'Observatoire de Paris. Not Available
Measures of double stars. Not Available

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Osservazione e dati astrometrici

Costellazione:	Cancro
Ascensione retta:	08^h44^m24.85^s
Declinazione:	+15Â°54'54.0"
Magnitudine apparente:	9.161
Distanza:	177.936 parsec
Moto proprio RA:	-2.2
Moto proprio Dec:	-15.8
B-T magnitude:	9.449
V-T magnitude:	9.185

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 74406
TYCHO-2 2000	TYC 1393-128-1
USNO-A2.0	USNO-A2 1050-05843458
HIP	HIP 42888

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