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Protostellar Outflows at the EarliesT Stages (POETS). I. Radio thermal jets at high resolution nearby HO maser sources
A. Sanna, L. Moscadelli, C. Goddi +2
Abridged. Methods. We made use of the Karl G. Jansky Very Large Array (VLA) in the B configuration at K band, and in the A configuration at both Ku and C bands, in order to image t…
Evolutionary paths of binaries with a neutron star. I. The case of SAX J1808.4-3658
Marco Tailo, Francesca D'Antona, Luciano Burderi +6
The evolutionary status of the low mass X-ray binary SAX J1808.4-3658 is simulated by following the binary evolution of its possible progenitor system through mass transfer, starti…
Science with an ngVLA: Understanding Massive Star Formation through Maser Imaging
Todd R. Hunter, Crystal L. Brogan, Anna Bartkiewicz +6
Imaging the bright maser emission produced by several molecular species at centimeter wavelengths is an essential tool for understanding the process of massive star formation becau…
Discovery of a sub-Keplerian disk with jet around a 20Msun young star. ALMA observations of G023.01-00.41
A. Sanna, A. Koelligan, L. Moscadelli +9
It is well established that Solar-mass stars gain mass via disk accretion, until the mass reservoir of the disk is exhausted and dispersed, or condenses into planetesimals. Accreti…
Radio outburst from a massive (proto)star. When accretion turns into ejection
R. Cesaroni, L. Moscadelli, R. Neri +6
Context. Recent observations of the massive young stellar object S255 NIRS 3 have revealed a large increase in both methanol maser flux density and IR emission, which have been int…
A revised distance to IRAS 162932422 from VLBA astrometry of associated water masers
S. A. Dzib, G. N. Ortiz-León, A. Hernández-Gómez +6
IRAS 16293-2422 is a very well studied young stellar system seen in projection towards the L1689N cloud in the Ophiuchus complex. However, its distance is still uncertain with a ra…