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astro-ph.GA2026
The L1157 filament as traced in HNCO by the LMT
A. I. Gómez-Ruiz, C. Codella, O. S. Rojas-García +9
Context. The L1157 outflow is a prototype of chemically active outflows where to look for molecular species linked to complex chemistry. Aims. With the aim of imaging the large (pa…
astro-ph.GA2026
Dust-induced reversal of the optical wavelength dependence of spiral-arm pitch angles
Eric E. Martínez-García, Rosa A. González-Lópezlira, Ivânio Puerari +1
The classical density-wave scenario predicts a blue-to-red age--colour gradient across the spiral arms of disc galaxies as a consequence of shock-induced star formation. However, o…