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Open cluster candidates in the VVVX area: VVVX CL 076 and CL 077
Minniti, D.; Chené, A. -N.; Borissova, J. +6 more
We are reporting some basic parameters of two newly discovered clusters, VVVX CL076 and CL077, recently discovered in the galactic disk area covered by the VISTA Variables in the Via Lactea eXtended (VVVX) ESO Public Survey. The preliminary analysis shows that both clusters are young and relatively close to the Sun.
Accretion disks in symbiotic stars
Luna, G. J. M.
The nature of accretion in symbiotic binaries, in which the red giant transfers material to a white dwarf (WD) companion, has been difficult to uncover. The accretion flows in a symbiotic binary are most clearly observable, however, when there is no quasi-steady shell burning on the WD to hide them. Through observations in the high energy regime, …
Zooming out: what a broader view is telling us about stellar and substellar conglomerates
Peña Ramírez, K.
Measuring the distributions of ages and masses of low-mass stars and substellar sources in different young environments requires a thorough census of this specific population. Typically, studies have searched for defined conglomerate members using signatures of youth (variability, emission lines, infrared (IR) excess emission, X-ray emission), pro…