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HD 121752

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관련 글

New Elements for 80 Eclipsing Binaries III. This research presents new elements for 80 eclipsing binaries found withthe help of the ASAS-3 and Hipparcos databases.
CCD photometry and astrometry of visual double and multiple stars of the HIPPARCOS Catalogue. II. CCD photometry and differential astrometry of 288 southern ``Intermediate'' systems We present photometric and astrometric data of about 280 visual doublestars of the ``intermediate'' class, i.e. with angular separationsmainly in the range 2arcsec < rho < 12arcsec . The observationshave been obtained in 1991-92 with a CCD camera attached to the 91 cmDutch telescope at ESO La Silla, Chile. Differential magnitudes of thedouble star components as well as magnitudes and colour indices of theindividual components have been determined in the Cousins V and Ipassbands with an internal error of about 0.005 mag and an externalaccuracy of less than 0.03 mag. In addition, angular separations havebeen secured to an internal accuracy of 0.004arcsec and position anglesto about 0.05degr. Tables 1 to 4 are only available in electronic format the CDS via ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html. Based on observationscollected at the European Southern Observatory, La Silla, Chile.
CCD measurements of visual binaries CCD measurements of visual double stars were obtained with the ESO 1.5 mdanish reflector. All binaries observed are candidates for the HIPPARCOSInput Catalogue. More than 400 observations have been made in four clearnights. The accuracy obtained is comparable to the accuracy of thephotographic technique, but the observing and reduction times are oneorder of magnitude smaller.
Four-colour and H-beta photometry for early type stars in three southern galactic regions Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&AS...41...85L&db_key=AST
A spectral survey of the southern Milky Way 1 : general description and catalogue 1 (l=306 -318 degrees). Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974A&AS...16..445S&db_key=AST

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관측 및 측정 데이터

별자리:	켄타우루스자리
적경:	13^h59^m20.08^s
적위:	-62Â°27'37.3"
가시등급:	8.515
거리:	537.634 파섹
적경상의 고유운동:	-8.2
적위상의 고유운동:	-6.4
B-T magnitude:	8.514
V-T magnitude:	8.515

천체목록:

일반명	(Edit)
HD 1989	HD 121752
TYCHO-2 2000	TYC 9008-1757-1
USNO-A2.0	USNO-A2 0225-18791233
HIP	HIP 68339

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