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Table 4.

External UV field strengths in units of G0.

Protostar HD147899 S1 (GSS35) σ-Sco α-Sco ρ-Oph UV fields (stars) UV fields (dust) Difference
GSS30-IRS 1 149 967 51 2 21 1190 3923 0.70
ISO-Oph 21 176 552 52 2 20 803 528 0.34
[GY92] 197 48 43 51 3 13 157 417 0.62
WL 17 44 35 51 3 12 146 314 0.53
ISO-Oph 137 31 21 49 3 11 115 344 0.67

Notes. Difference estimated as 1−(UV(stars)/UV(dust)), except for ISO-Oph 21 where 1−(UV(dust)/UV(stars)) was used since the UV field estimate from stars is higher.

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