[PDF] Top 20 Reevaluating old stellar populations

... binary stellar evolution pathways, together with the most up-to-date stel- lar evolution and atmosphere models for single stars, into stellar population synthesis models can make a significant difference in ... See full document

... for stellar population studies ...and old star clusters (Bianchini et al, 2018; Kuhn et al, 2018; Milone et al, ...Galactic stellar populations and dynamics, Gaia data enable to measure ... See full document

... the stellar clusters in the Orion ...an old population (∼ 15 Myr) towards the 25 Ori region, and we find that groups with ages of 12 − 15 Myr are present also towards the Belt ... See full document

... Several recent studies of YSP have been used to estimate the time- scales and order of events for triggering the activity in radio galax- ies. For their sample of three radio galaxies, Tadhunter et al. (2005) found ... See full document

... The remarkable observation of positron annihilation in the 2015 outburst of microquasar V404 Cygni (Siegert et al., 2016a) lends weight to the conjecture that such a source of positrons is associated with microquasars ... See full document

... 6. Stellar mass functions of galaxies in clusters (red) and the field (blue) at ...galaxy populations: SF, PAS and PSB, from left to ...to old (from left to ...the stellar mass functions of ... See full document

... to old parent stellar populations ...single stellar tracers to map the transition from the inner galaxy halo to the outer blue envelope in bright cluster ... See full document

... The ‘early slow quench’ objects may genuinely have experienced slow quenching at the highest redshifts, however two other scenarios are possible. First, their SFHs may be composites of several systems which formed and ... See full document

... and stellar population indices demonstrating the lack of young stellar populations, implying that line emission follows tightly the continuum due to the underlying old stellar ... See full document

... young stellar populations (YSPs) in the host galaxies as part of a larger project to investigate evolutionary scenarios for the active galactic nucleus (AGN) host ...the stellar populations in ... See full document

... by stellar winds and supernovae (Chevalier & Clegg 1985; Heckman et ...their stellar populations are not old enough to have produced a substantial number of Wolf-Rayet or AGB stars (which ... See full document

... SSP-equivalent stellar population properties derived from these line strengths suggest that the bulge is comprised of an old stellar population, 10 Gyr with no systematic trend in age as a function ... See full document

... two populations, while systems with [Fe/H] ^ ...a stellar luminosity- abundance correlation in which the carbon abundance decreases with evolution up the giant branch ...the stellar surface as a star ... See full document

... cluster medium, ICM), while the member galaxies only make up for ∼ 3 − 5% of the total mass. The rest is in the form of dark matter. The ICM is an attractive laboratory for the study of nucleosynthesis and chemical ... See full document

... Because the luminosity of a galaxy is far more easily determined than its mass, there are a great many more luminosity-metallicity (L-Z) relations than mass-metallicity rela- tions in the literature (e.g., Skillman et ... See full document

... For our purposes, GPI-HA expressed in effector cells served as a positive control for lipid mixing in the absence of full fusion by transfecting effector cells with GFP and GPI-HA prior [r] ... See full document

... visible stellar populations detected in the optical, we added the spectra extracted for all the apertures of the region limited by the dashed-line box in ... See full document

... young stellar populations depends on the accuracy of the model atmospheres and evolutionary tracks for massive ...input stellar param- eters to reflect current values available in the ... See full document

... of stellar popu- lation properties of galaxies that inhabit such ...greater stellar mass content and longer timescales for star formation than the typical values found in groups outside superclusters, ... See full document

... the stellar populations observed in other galaxies will allow an inference into their ...galaxy stellar population synthesis models which compare the observed spectra to libraries of stellar ... See full document