Results 41 to 50 of about 440,600 (338)
HOW FAR CAN GET FRB PROGENITOR NEUTRON STARS FROM THEIR BIRTHPLACE?
The recent studies show evidence of magnetars – young neutron stars being good candidates of fast radio birth sources. Neutron stars can form as remnants of type II supernovae explosions of young stars.
A. Otebay, M. Kalambay, B. Shukirgaliyev
doaj +1 more source
The Stellar Content of Obscured Galactic Giant H II Regions: II. W42 [PDF]
We present near infrared J, H, and K images and K-band spectroscopy in the giant HII region W42. A massive star cluster is revealed; the color-color plot and K-band spectroscopic morphology of two of the brighter objects suggest the presence of young ...
Blum, R. D., Conti, P. S., Damineli, A.
core +3 more sources
We combine JWST/NIRCam imaging and MUSE data to characterize the properties of galaxies in different environmental conditions in the cluster Abell2744 ( z = 0.3064) and in its immediate surroundings. We investigate how galaxy colors, morphology, and star-
Benedetta Vulcani +28 more
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Clusters of galaxies usually contain rich populations of globular clusters (GCs). We investigate how different star formation histories (SFHs) shape the final mass distribution of star clusters. We assume that every star cluster population forms during a
Kroupa, Pavel +2 more
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Halpha-Derived Star-Formation Rates For Three z ~ 0.75 EDisCS Galaxy Clusters [PDF]
We present Halpha-derived star-formation rates (SFRs) for three z ~ 0.75 galaxy clusters. Our 1 sigma flux limit corresponds to a star-formation rate of 0.10-0.24 solar mass per year, and our minimum reliable Halpha + [N II] rest-frame equivalent width ...
Barbaro G. +11 more
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Despite having data for over 10 ^9 stars from Gaia, less than 10 ^4 star clusters and candidates have been discovered. In particular, distant star clusters are rarely identified, due to the challenges posed by heavy extinction and great distance. However,
Zhihong He +7 more
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How star clusters could survive low star formation efficiencies
After the stars of a new, embedded star cluster have formed they blow the remaining gas out of the cluster. Especially winds of high mass stars and definitely the on-set of the first super novae can remove the residual gas from a cluster. This leads to a
Fellhauer, M., Kroupa, P.
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Star Formation in Cluster Galaxies at 0.2
The rest frame equivalent width of the [OII]3727 emission line, W(OII), has been measured for cluster and field galaxies in the CNOC redshift survey of rich clusters at 0 ...
Barger A. J. +9 more
core +2 more sources
Globular cluster star classification: Application to M13 [PDF]
Starting from recent determination of Fe, O, Na abundances on a restricted sample (N = 67) of halo and thick disk stars, a natural and well motivated selection criterion is defined for the classification globular cluster stars. An application is
Caimmi R.
doaj +1 more source
We present an analysis of the levels and evolution of star formation activity in a representative sample of 30 massive galaxy clusters at 0 ...
Babul, A. +10 more
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