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HD 91773


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Longterm Monitoring of Active Stars - Part Three - UBV Ri/c Photometry of 14 Southern Hemisphere Variables
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1993A&AS..102..655C&db_key=AST

UBVRI observations of southern hemisphere active stars. II - 1987 data
Results are presented on high-precision UBV (RI)c photometricobservations of 13 southern-hemisphere RS CVn, BY Dra, and FK Com-typevariable stars, carried out in December 1987 at the European SouthernObservatory at La Silla (Chile). Compared with previous observations,significant changes of the light curves were detected, both in amplitudeand shape.

Precise positions, separations, and position angles of visual binaries
Astrometric observations of 212 large visual binaries are reported. Dataobtained with a GG 495 yellow filter on IIaD photographic plates usingthe Zen astrograph (aperture 20 cm and focal length 2077 mm) of theOsservatorio Astronomico di Brera during 1985-1986 are presented inextensive tables. The potential significance of these measurements forthe catalog being constructed for the Hipparcos space observatory isindicated.

UBVRI Photometry of FKSZ Stars - Part One
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1987A&AS...70..369C&db_key=AST

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观测天体数据

星座:長蛇座
右阿森松:10h35m38.87s
赤纬:-13°00'01.0"
视星:7.567
距离:176.367 天文距离
右阿森松适当运动:5.1
赤纬适当运动:-4.9
B-T magnitude:8.902
V-T magnitude:7.678

目录:
适当名称   (Edit)
HD 1989HD 91773
TYCHO-2 2000TYC 5498-325-1
USNO-A2.0USNO-A2 0750-07296238
HIPHIP 51853

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