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HD 111791


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Uvbyβ photometry of all stars earlier than G0 and brighter than m_pg_~10.3mag in Selected Area 194
Four-colour and Hβ photometry is introduced for 594 stars earlierthan G0 in the Kapteyn's Selected Area 194. The results give V, b-y,m_1_, c_1_, and β on the standard systems, with overall rms errorsfor one observation of one star of 0.009mag, 0.004mag, 0.006mag,0.009mag, and 0.009mag, respectively. The data cover an area of about5deg x 5deg and is intended for an investigation of the distribution ofthe interstellar medium toward the northern part of the SouthernCoalsack and its surroundings. A comparison to earlier results obtainedby other authors has shown that the c_1_ indices obtained for the latetype stars were underestimated, in average, by 0.020mag. Since suchdifference may account for an error of little more than 10% in theestimated stellar distances, a correction was applied to the c_1_ indexof these stars.

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Osservazione e dati astrometrici

Costellazione:Croce del Sud
Ascensione retta:12h52m25.05s
Declinazione:-58°44'48.8"
Magnitudine apparente:8.377
Distanza:1063.83 parsec
Moto proprio RA:-12.1
Moto proprio Dec:-9.7
B-T magnitude:8.384
V-T magnitude:8.378

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 111791
TYCHO-2 2000TYC 8659-2517-1
USNO-A2.0USNO-A2 0300-16854973
HIPHIP 62823

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