l1641 - obspm.fraramis.obspm.fr/~wiedner/publications/L1641poster.pdf2001: Beltran et al. 2002)....
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l1641 - obspm.fraramis.obspm.fr/~wiedner/publications/L1641poster.pdf2001: Beltran et al. 2002). Another possibility could be that the NHS emission is tracing a circumsteliar envelope