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Compact Galaxies with Active Star Formation from the SDSS Data Release 16: Star-Formation Rates Based on the Luminosities of Forbidden Emission Lines in the Optical Range
AbstractWe obtained equations for determining the star-formation rate in local compact star-forming galaxies from the SDSS Data Release 16 using...
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Star Structure and Star Development
In this rather extensive chapter, we put together the basic equations for calculating the principal structure of stars. However, it must be...
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Turbulence and magnetic fields in star formation
Molecular clouds are prime locations to study the process of star formation. These clouds contain filamentary structures and cores, which are crucial...
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Activity Cycles of the Star FK Com
AbstractWe present the results of our photometric observations of the chromospherically active star FK Com (prototype of its group of stars) acquired...
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Understanding Current Star Formation Processes in Galaxies at Different Redshifts
We have studied in detail the properties of local active star-forming galaxies from the UCM survey, and in particular their star-formation histories....
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RETRACTED ARTICLE: Cosmic baby and the detection of a new compact star – the “Triaxial Star”: a possibility
The “Triaxial Star”, first proposed by S. Chandrasekhar in 1969, has not yet been detected. The recently detected Cosmic Baby, i.e., Swift...
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Star-Forming Regions
Since the 1980s, the Einstein Observatory has shown that the Young Stellar Objects (YSOs) emit X-rays with luminosities, in the 0.3–8 keV bandpass,...
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Extrasolar Planets and Star-Planet Interaction
Exoplanets, i.e., planets orbiting the stars other than the Sun, can be studied across the whole electromagnetic spectrum. In the context of X-ray...
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Adaptive Optics and Star Formation
In this contribution I will briefly review the growing impact adaptive optics is having on the field of star formation. The volume of interesting...
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Star Formation in Lenticular Galaxies with MaNGaL Mapper
AbstractWe present results of studying star-forming rings in six lenticular galaxies obtained with the narrow-band photometry in the H
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Spottedness Activity of the Young Star HIP 94235 from the Moving Group AB Doradus
Based on high-precision data from the archive of the TESS space mission, a study is made of the photometric variability of the brightness of HIP...
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Turbulence modelling in neutron star merger simulations
Observations of neutron star mergers have the potential to unveil detailed physics of matter and gravity in regimes inaccessible by other...
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Compact Galaxies with Active Star Formation from the SDSS DR14: Star-Formation Rates Derived from Combinations of Luminosities in Different Wavelength Ranges
AbstractPhysical characteristics of a large sample of compact galaxies with active star formation from the SDSS DR14 are derived. The sample includes...
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Neutrino Emission of Neutron-Star Superbursts
AbstractSuperbursts of neutron stars are rare but powerful events explained by the explosive burning of carbon in the deep layers of the outer...
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Constraining the Star Formation History with Photometric Redshifts
Large scale structures can bias global measurements, such as the star formation history, due to over and under densities in the field at a given...
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KIC 2142183 as a FK Com Star Candidate
AbstractThe star KIC 2142183, which was previously noted as a rapidly rotating giant with flare activity, was studied based on the analysis of...
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Evolution of Powerful H2O Maser Flares in the Active Star Formation Region W51
AbstractResults of a study of powerful H 2 O maser flares in the W51 region from observations (monitoring) in 2009–2022 with the 22-m radio telescope...
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Activity of the Star TOI-784 and Loss of Atmospheric Mass by Its Planet
The properties of the planetary system TOI-784, in which an earth-like planet orbits a low-activity star of solar type, are examined. Archived V-band...
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A large-scale magnetic field produced by a solar-like dynamo in binary neutron star mergers
The merger of two neutron stars launches a relativistic jet, which must be driven by a strong large-scale magnetic field. However, the...
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Dependence of the Results of Nucleosynthesis on the Equation of State for Neutron-Star Matter
AbstractThe results of calculations of nucleosynthesis of heavy elements during the explosion of a low-mass neutron star are presented. The low-mass...
