corino

plural corinos

1. astronomythe dense inner region (or core) of the gas and dust envelope closely surrounding a young, low-mass protostar

   In lukewarm corinos, elevated dust temperatures in the protostellar envelope allow methane to evaporate from icy grain mantles.

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   In order to make clear that hot cores of low- and high-mass protostars are, however, substantially different in the amount of material involved, we use hereafter the term “hot corino” to identify the warm inner regions of the envelope surrounding the low-mass protostars.

   2004, S. Bottinelli, C. Ceccarelli, B. Lefloch, J.P. Williams, A. Castets, E. Caux, S. Cazaux, S. Maret, B. Parise, A.G.G.M. Tielens, “Complex molecules in the hot core of the low-mass protostar NGC 1333 IRAS 4A”, in The Astrophysical Journal, →DOI, page 354

   The molecules detected by Sakai et al. are typically associated only with dark molecular clouds, and not with the more evolved hot corino phase. […] If so, the molecular products provide a signature of a previously uncharacterized early phase of low-mass star formation, which can be characterized as a “lukewarm” corino.

   2008, George E. Hassel, Eric Herbst, Robin T. Garrod, “Modeling the Lukewarm Corino Phase: Is L1527 Unique?”, in The Astrophysical Journal, →DOI, page 1385

   These low-mass star-forming regions with COMs are known as hot corinos, which are warmer than the lukewarm corinos.

   2019, Yao Wang, Qiang Chang, Hongchi Wang, “Modelling carbon-chain species formation in lukewarm corinos with new multi-phase models”, in Astronomy & Astrophysics, volume 622, page 1

1. A surname.