Comparison with stellar parameters from SDSS spectra
Stellar parameters for Pop II A-type stars from IUE spectra and new-odf ATLAS9 model atmospheres
... 2. Comparison of fluxes F λ computed from new-ODF models (full thick line) and old-ODF models (dashed line) for different metallicities ...the parameters for no α-enhanced models and for models ...
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Library of high-resolution spectra and database of stellar parameters of F, G, K and M stars
... Fe, Na, Mg, Al, Si, Ca, Sc, Ti, V, Cr, Mn, Co, and Ni - EW method in a line-by-line basis with ARES code ( Sousa et al. 2007 ). - Line lists and atomic parameters from ( Neves et al. 2009; González ...
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SWEET Cat update and FASMA A new minimization procedure for stellar parameters using high quality spectra
... atmospheric parameters were derived in the same way as for HD ...data from FIES with a resolving power of 67 000, and with a S / N for this star of ...new parameters we obtain a slightly higher ...
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CiteSeerX — Empirical distributions of galactic λ spin parameters from the SDSS
... 3 PROBABILITY DISTRIBUTIONS Having a way of estimating λ, we now need to define the op- timal sample to use. As already mentioned, requiring as large as possible a volume limited sample makes the SDSS an ideal ...
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SDSS IV MaNGA: stellar population gradients as a function of galaxy environment
... formation from the literature predict age gradients in early-type galaxies to be generally flat and independent of galaxy mass or environment, which agrees well with the findings of this ...direct ...
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SDSS IV MaNGA: stellar population gradients as a function of galaxy environment
... formation from the literature predict age gra- dients in early-type galaxies to be generally flat and independent of galaxy mass or environment, which agrees well with the findings of this ...direct ...
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SDSS IV MaNGA: properties of galaxies with kinematically decoupled stellar and gaseous components
... stars from MaNGA ...physical parameters, ...gas from a gas-rich dwarf or cosmic web, the cancellation of angular momentum from gas–gas collisions between the pre-existing gas and the accreted ...
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SDSS-IV MaNGA: properties of galaxies with kinematically decoupled stellar and gaseous components
... mean stellar ages, star formation histories (SFHs), dust extinctions and stellar velocity dispersions for galaxies from the Baryon Oscillation Spectroscopic Survey ...the stellar population ...
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SDSS IV MaStar : a large and comprehensive empirical stellar spectral library—first release
... of Spectra We usually take three or four exposures on each night for a ...the spectra from multiple exposures together to form these stacked per-visit ...the spectra from multiple ...
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Post-common envelope binaries from SDSS - XV. Accurate stellar parameters for a cool 0.4 M⊙ white dwarf and a 0.16 M⊙ M dwarf in a 3 h eclipsing binary
... . (5) 6.5 Intrinsic data uncertainties The acquisition of high-precision absolute photometry on the LT in service mode is somewhat difficult to achieve. Each observing block individually covered only a third of the ...
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A Machine Learning Method to Infer Fundamental Stellar Parameters from Photometric Light Curves
... fundamental stellar parameters (Teff , log g, and [Fe/H]) using photometric-brightness variations and color ...constructed from a systematic spectroscopic survey of variables with ...∼9000 ...
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Label Transfer from APOGEE to LAMOST: Precise Stellar Parameters for 450,000 LAMOST Giants
... values from LAMOST spectra, and this may not be the best measurement possible with The ...frame from the ...DIBs from the ...measured from these spectra using a data-driven ...
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The GALAH survey: accurate radial velocities and library of observed stellar template spectra
... southern stellar spectroscopic ...of stellar parameters and abundances of 23 elements for 342 682 stars (Buder et ...observed spectra, but also because convective motions in stellar ...
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Automatic Kalman-filter-based wavelet shrinkage denoising of 1D stellar spectra
... 1D stellar spectra based on wavelet shrink- age followed by adaptive Kalman ...these parameters are chosen by ‘trial and error’, which can be strongly dependent on the properties of the data being ...
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Stellar masses and disk properties of Lupus young stellar objects traced by velocity-aligned stacked ALMA 13CO and C18O spectra
... deviates from the ...measured parameters in model 4 are con- sistent with the inputs within the 1σ uncertainties, and in model 7, only the measured PA significantly deviates from the inputs, while ...
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A Gaia Data Release 2 catalogue of white dwarfs and a comparison with SDSS
... note that it may be justified or even necessary to use further cuts on Gaia quality flags or reddening when employing the atmospheric parameters for subsamples of our catalogue. We do not yet have spectral types ...
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Constraining stellar physics from red-giant stars in binaries – stellar rotation, mixing processes and stellar activity
... individual spectra (Figure 2) show that average-absorption line pro- files of the primary and secondary components are equal in hight in the composite ...fundamental parameters of both stars are quite ...
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SDSS IV MaNGA: star formation cessation in low redshift galaxies I: dependence on stellar mass and structural properties
... SFH parameters such as F burst , the fraction of stellar mass formed in ...spectroscopy from SDSS, thus probing the stellar populations only within the central 1 – 2 kpc of a ...
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Summary of IAU GA SpS 5 II: Stellar and Wind Parameters
... CRIRES spectra of a few B stars, again pointing that results consistent with the optical are found (Nieva et ...star from infrared photometry and ...
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Stellar Metallicity Gradients in SDSS Galaxies
... the SDSS and SDSS-II has been provided by the Alfred ...The SDSS Web Site is http://www.sdss.org/ . The SDSS is managed by the Astrophysical Research Consortium for the Participating ...
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