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HD 175714


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IRAS observations of young stellar objects in the Corona Australis dark cloud
The young stellar object (YSO) population associated with the dark cloudcomplex in Corona Australis is studied by synthesizing IRAS data withnewly obtained near-IR and mid-IR photometry and previously publishedoptical/IR data. Twenty-four YSOs in the Cr A complex are identified.The observed range of spectral energy distribution shapes and bolometricluminosities are consistent with those observed in other dark clouds.The duration and efficiency of star formation are found to be similar tothe Rho Ophiuchi IR cluster. The low number of YSOs compared to otherdark clouds is understood by a reevaluation of the molecular mass of theR Cr A cloud which shows it to be much less massive than previouslyassumed.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Guney Taci
Sað Açýklýk:18h58m14.92s
Yükselim:-37°19'01.2"
Görünürdeki Parlaklýk:7.757
Uzaklýk:171.233 parsek
özdevim Sað Açýklýk:-34
özdevim Yükselim:-18.6
B-T magnitude:9.957
V-T magnitude:7.939

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 175714
TYCHO-2 2000TYC 7421-629-1
USNO-A2.0USNO-A2 0525-39176262
HIPHIP 93125

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