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HD 79


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Faint stars in the open cluster Trumpler 16
UBVRI photoelectric data on faint stars in the young open cluster Tr 16in the magnitude range V equals 12-15 are presented. Some of these starsare overluminous for their class, and others fall slightly below thereddening line for A0-type stars in the two-color diagram. Thepossibility is analyzed that some of them may still be in theevolutionary process of gravitational contraction. Comments about thereddening law in this region are made, and the HR diagram for all thestars assumed to be members of Tr 16 is presented.

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Observation and Astrometry data

Constellation:ほうおう座
Right ascension:00h05m36.26s
Declination:-51°15'37.8"
Apparent magnitude:7.347
Distance:434.783 parsecs
Proper motion RA:10.3
Proper motion Dec:-13.9
B-T magnitude:9.256
V-T magnitude:7.505

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 79
TYCHO-2 2000TYC 8028-297-1
USNO-A2.0USNO-A2 0375-00028413
HIPHIP 469

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