Emigration of Germans before and after the Collapce of the USSR to Germany. Integration and its Results [PDF]
Научно-аналитический вестник Института Европы РАН, 2018 The article discusses the emigration of ethnic Germans to Germany before and after the collapse of the USSR. Exported in detail emigration from Russia and Kazakhstan. Reveals the causes of emigration, periods, dynamics.
Roman Seytkaliev
doaj +1 more source
O Brasil e as Questões do Kosovo e da Crimeia
Revista Neiba, 2019 A independência do Kosovo apoiada pelos EUA e a anexação da Crimeia pela Rússia são acontecimentos de natureza e implicações similares que ilustram as tensões entre princípios normativos de respeito à soberania dos Estados e a segurança coletiva ...
Gustavo Oliveira Teles de Menezes
doaj +1 more source
The Gaia-ESO Survey: asymmetric expansion of the Lagoon Nebula cluster NGC 6530 from GES and Gaia DR2 [PDF]
Monthly notices of the Royal Astronomical Society, 2019 The combination of precise radial velocities from multi-object spectroscopy and highly accurate proper motions from Gaia DR2 opens up the possibility for detailed 3D kinematic studies of young star forming regions and clusters.
N. Wright +27 more
semanticscholar +1 more source
The Gaia-ESO Survey: Age spread in the star forming region NGC 6530 from the HR diagram and gravity indicators [PDF]
Astronomy & Astrophysics, 2019 Context. In very young clusters, stellar age distribution is empirical proof of the duration of star cluster formation and thus it gives indications of the physical mechanisms involved in the star formation process. Determining the amount of interstellar
L. Prisinzano +35 more
semanticscholar +1 more source
As ameaças da Nova Direita na Europa: um balanço das eleições europeias de 2019
Revista Neiba, 2019 Este é um artigo escrito a muitas mãos, fruto de um esforço de pesquisa sobre o crescimento de partidos políticos que carregam retóricas populistas de direita, e busca apresentar um balanço sobre sua performance em eleições europeias no ano de 2019 ...
Ana Paula Balthazar Tostes +6 more
doaj +1 more source
Wide-area photometric and astrometric (Gaia DR2) study of the young cluster NGC 6530 [PDF]
Astronomy & Astrophysics, 2018 Context. NGC 6530 is a young cluster, with a complex morphology and star-formation history. We present a statistical study of its global properties, using a new, large list of candidate members down to masses of 0.2−0.4 M⊙ and Gaia DR2 astrometry.
F. Damiani +3 more
semanticscholar +1 more source
Kinematic signatures of cluster formation from cool collapse in the Lagoon Nebula cluster NGC 6530 [PDF]
Monthly notices of the Royal Astronomical Society, 2019 We examine the mass dependence of the velocity dispersion of stars in the young cluster NGC 6530 to better understand how it formed. Using a large sample of members we find that the proper motion velocity dispersion increases with stellar mass.
N. Wright, R. Parker
semanticscholar +1 more source
The Destiny of the Open Cluster NGC 6530: Past and Future
Astronomical JournalStudying the structures of open clusters is crucial for understanding stellar evolution and galactic dynamics. Based on Gaia DR3 data, we apply the hierarchical clustering algorithm to the young open cluster NGC 6530 and group its members into five ...
Delong 德龙 Jia 贾 +3 more
semanticscholar +1 more source
Gaia DR3 Data of Very Young Open Cluster NGC 6530: Distance and Evolutionary Stage of Selected Stars
Research Notes of the AASGaia EDR3 and Gaia DR3 data of selected stars in the very young (1.5 million years old) open cluster NGC 6530 are presented. All the selected stars have very accurate Gaia DR3 distances.
Mudumba Parthasarathy
semanticscholar +1 more source
Open clusters: III. Fundamental parameters of B stars in NGC 6087, NGC 6250, NGC 6383 and NGC 6530. B type stars with circumstellar envelopes [PDF]
, 2017 Context. Stellar physical properties of star clusters are poorly known. Aims. Our goals are to perform a spectrophotometric study of the B star population in open clusters to derive accurate stellar parameters, search for the presence of circumstellar ...
Y. Aidelman +7 more
semanticscholar +1 more source