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HD 140484

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Some revisions to the Bright Star Catalogue and its supplement Not Available
Photometric Data for the Bright Stars Not Available
Photometric observations of emission B-stars in the southern Milky Way In order to study the distribution of Be stars and their correlation tothe local spiral structure of the Galaxy photoelectric UBV photometrywas carried out for a total of 488 Be stars located in the southernMilky Way between galactic longitudes 315 and 45 deg. UBV magnitudes arepresented for these stars.
Close visual binaries. I - MK classifications Each component of 170 close visual binaries has been classified with newprocedures for controlling contamination problems. These classificationsare presented and are shown to be on the MK system. Two sources of areascanner UBV photometry were compared in order to establish homogeneousphotometric as well as spectroscopic data. From a consideration ofsystematic errors in the V magnitude difference (Delta V) betweencomponents the photometry of Hurly and Warner (1983) is to be preferred.Absolute magnitudes for each binary are derived from Delta V via atested MK - M(v) map.
Area Scanner Observations of Close Visual Double Stars - Part Two - Results for 153 Southern Stars Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1983MNRAS.202..761H&db_key=AST
Erratum - Discordances Between SAO and HD Numbers for Bright Stars Not Available
Measures of Visual Double Stars Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&AS...39..197W&db_key=AST
Fourier deconvolution of electronographic images The Fourier deconvolution process is discussed with reference toelectronographic images. A technique is described for measuring theseparation, position angle, and magnitude difference of binary starimages and for investigating fine optical structure in galaxy images.The method is used to measure the binary stars HR 5234, HR 5697, HR5851/2, HR 6236, and H 4707, as well as to analyze the optical-imagestructure of Cygnus A.

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星座:	南三角座
右阿森松:	15^h47^m53.70^s
赤纬:	-65Â°26'33.0"
视星:	6.39

目录:

适当名称
HD 1989	HD 140484
BSC 1991	HR 5852

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