ZASPE: A Code to Measure Stellar Atmospheric Parameters and their Covariance from Spectra
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DOI: 10.1093/mnras/stx144
Abstract: We describe the Zonal Atmospheric Stellar Parameters Estimator (ZASPE), a new algorithm, and its associated code, for determining precise stellar atmospheric parameters and their uncertainties from high resolution echelle spectra of FGK-type stars. ZASPE estimates… read more here.
Keywords: synthetic spectra; zaspe code; atmospheric parameters; stellar atmospheric ... See more keywords
The kinematics of σ-drop bulges from spectral synthesis modelling of a hydrodynamical simulation
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DOI: 10.1093/mnras/stx172
Abstract: A minimum in stellar velocity dispersion is often observed in the central regions of disc galaxies. To investigate the origin of this feature, known as a {\sigma}-drop, we analyse the stellar kinematics of a high-resolution… read more here.
Keywords: drop; hydrodynamical simulation; synthetic spectra; kinematics ... See more keywords
Synthetic spectra of energetic core-collapse supernovae and the early spectra of SN 2007bi and SN 1999as
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DOI: 10.1093/mnras/stz262
Abstract: SN 2007bi and SN 1999as are among the first superluminous supernovae discovered. SN 2007bi was suggested to be powered by the radioactive decay of a large amount (5-10 M) of 56Ni. SN 1999as has a… read more here.
Keywords: collapse supernovae; energetic core; synthetic spectra; 2007bi 1999as ... See more keywords
Synthetic spectra generated by boundary equilibrium generative adversarial networks and their applications with consensus algorithms.
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DOI: 10.1364/oe.390070
Abstract: One of the major restrictions in spectroscopic analysis is the limited number of calibrations, especially for biological samples. Meanwhile, there is a lack of effective algorithms to simulate synthetic spectra from the real spectra of… read more here.
Keywords: generative adversarial; spectra generated; boundary equilibrium; synthetic spectra ... See more keywords