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- W2023348311 abstract "Far-infrared and submillimeter photometry of 10 low-mass star formation regions containing embedded IRAS sources is presented. These new observations define the peak of the spectral energy distributions of these objects and provide more precise estimates of their bolometric luminosities. Two new sources, L1527 and L483, are among the reddest known low-mass objects, with spectral energy distribution peaks at 100-200 microns and extremely steep IRAS slopes. These cold sources have spectra which are similar to blackbodies of 30-40 K but have significant excess emission on the Wien side. Models of the spectral energy distributions using a spherically symmetric core structure indicate that these sources have visual extinctions greater than 1000 mag. However, models with these large extinctions predict too little near-infrared emission. A nonspherically symmetric distribution of circumstellar material may play a role in the generation of the extra near-infrared emission." @default.
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- W2023348311 date "1991-01-01" @default.
- W2023348311 modified "2023-09-25" @default.
- W2023348311 title "Far-infrared and submillimeter-wavelength observations of star-forming dense cores. I - Spectra" @default.
- W2023348311 doi "https://doi.org/10.1086/169553" @default.
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