Connecting low- and high-mass star formation: the intermediate-mass protostar IRAS 05373+2349 VLA 2

摘要: Until recently, there have been few studies of the protostellar evolution intermediate-mass (IM) stars, which may bridge low- and high-mass regimes. This paper aims to investigate whether properties an IM protostar within IRAS 05373+2349 embedded cluster are similar that and/or protostars. We carried out Very Large Array as well Combined for Research in Millimeter Astronomy continuum 12CO(J=1–0) observations, uncover seven radio sources (VLA 1–7). The spectral index VLA 2, associated with is consistent ionized stellar wind or jet. source 3 coincident previously observed H2 emission line objects aligned north–south direction (P.A. −20 −12◦), be either jet emanating from 2 (shock-)ionized cavity walls large-scale outflow 2. position angle between slightly misaligned we map at ∼5-arcsec resolution 12CO ∼30◦), case a suggests precession. mm core also detected; estimate its mass 12–23 M , depending on contribution gas. Furthermore, has intermediate outflows young stars. Therefore, conclude phenomenologically quantitatively domains.