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HD 25138

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The Cousins VRI System: A Consistency Test of Equatorial and Southern Standard Stars Abstract image available at:http://adsabs.harvard.edu/abs/1996AJ....111.1338T
The Southern Vilnius Photometric System. III. Observations of E and F Harvard Standard Regions, 47 TUC and Some Metal-Deficient Stars The results of photoelectric photometry in the Vilnius system of 101southern stars in the areas E1--E4, E8, E9 and F1 as well as of somemetal deficient stars are presented. Photometrically determined spectraltypes and luminosity classes of these stars are also given.
UBV (RI)c standard stars in the E- and F-regions and in the Magellanic Clouds - a revised catalogue. Not Available
Photometric reductions and the lightcurve of (51) NEMAUSA The light curve of the minor planet (51) Nemausa is derived on the basisof 1779 photoelectric (B and V) observations and a photometric reductionusing a rigorous least squares method. Separate light curves are givenfor the B and V observations, respectively. An absolute B-V magnitudefor (51) Nemusa of 0.787 + or - 0.004 mag was estimated. A detaileddescription of the least squares method is presented.
UBV photometry of E region standard stars of intermediate brightness Photometry data are given for 335 stars in the nine E regions.Observations were made using a photometer and filters on the 47 cmreflector at Cape Town. The stellar dispersions are summarized. Data arepresented in tabular form.
Photometric standard stars for the UBV and (RI)KC systems. Not Available
Fainter Standards for VRI Photometry in the E Regions Not Available
Standard magnitudes in the E regions. Not Available

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观测天体数据

星座:	時鐘座
右阿森松:	03^h57^m42.44^s
赤纬:	-44Â°44'19.0"
视星:	8.714
距离:	121.655 天文距离
右阿森松适当运动:	8.6
赤纬适当运动:	-25.8
B-T magnitude:	9.748
V-T magnitude:	8.8

目录:

适当名称
HD 1989	HD 25138
TYCHO-2 2000	TYC 7576-600-1
USNO-A2.0	USNO-A2 0450-01353623
HIP	HIP 18526

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