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HD 139954


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Walraven photometry of nearby southern OB associations
Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.

Photoelectric observations of lunar occultations. XII
Occultation observations of 414 events observed between 6 July 1979 and4 September 1980 with the 0.76-m telescope of McDonald Observatory arereported. Timings and data on double stars are given. Angular diameterinformation in six cases is included. The stars concerned with their runnumbers are: SAO 161754 (5270); 94027 (Alpha Tau) (5319, 5381, 5454);159370 (Gamma Lib) (5325, 5571); 162413 (43 Sgr) (5332); 97472 (3 Cnc)(5414); and 93955 (Theta Tau) (5445).

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Observation and Astrometry data

Constellation:てんびん座
Right ascension:15h41m40.36s
Declination:-15°33'33.8"
Apparent magnitude:8.844
Distance:294.985 parsecs
Proper motion RA:-22.3
Proper motion Dec:-15
B-T magnitude:10.382
V-T magnitude:8.971

Catalogs and designations:
Proper Names
HD 1989HD 139954
TYCHO-2 2000TYC 6185-723-1
USNO-A2.0USNO-A2 0675-14555967
HIPHIP 76857

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