9 papers
A Citizen Science Search for Compact Emission Line Nebulae
Bringfried Stecklum, Peter Bresseler
In recent years, citizen science became an integral part of astronomy. Numerous projects contribute to important studies by involving large communities. While these are getting qui…
From Fragments to Flares: Migration, Tidal Disruption, and Observable Bursts in Massive Protostellar Disks
Vardan Elbakyan, Rolf Kuiper, André Oliva +4
We investigate how resolving the inner few astronomical units of a massive protostellar disk affects the migration, disruption, and accretion signatures of an inward-moving fragmen…
Diverse stages of star formation in the IRAS 18162-2048 region. Emergence of UV Feedback
R. Fedriani, G. Anglada, A. Caratti o Garatti +15
Methods: We obtained adaptive optics-assisted integral field spectroscopy in the near-infrared (IR) band () with VLT/SINFONI, complemented by VLA X and…
Sub-millimeter wavelength protostellar accretion rate monitoring with AtLAST
Thomas Stanke, Verena Wolf, Bringfried Stecklum +5
How a star forms is a fundamental question in astrophysics. In the earliest stages of protostellar evolution high extinction prevents a direct study of the accretion processes and…
The Outbursting YSOs Catalogue (OYCAT)
C. Contreras Peña, J. -E. Lee, G. Herczeg +39
YSOs can display unpredictable and high-amplitude rises in brightness that can last from a few months to possibly over 100 years. These types of outbursts are explained by large ch…
Discovery of synchronized periodic variability of methanol maser features in G26.598-0.024
P. Wolak, M. Szymczak, A. Kobak +5
Aims. We report the discovery of periodic maser variability of an unusual pattern in the high-mass young stellar object G26.598-0.024. Methods. A ten-year monitoring of the 6.7 GHz…