Search Results - "Bizyaev, Dmitry"
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SDSS-IV MaNGA: stellar angular momentum of about 2300 galaxies: unveiling the bimodality of massive galaxy properties
Published in Monthly notices of the Royal Astronomical Society (11-07-2018)“…Abstract We measure $\lambda _{R_{\rm e}}$, a proxy for galaxy specific stellar angular momentum within one effective radius, and the ellipticity, ε, for about…”
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SDSS. IV. MaNGA: The Impact of the Acquisition of Gas with Opposite Angular Momentum on the Evolution of Galaxies
Published in The Astronomical journal (01-11-2024)“…Abstract A gaseous counterrotating galaxy is a galaxy containing a gas component with opposite angular momentum to the main stellar disk. The counterrotating…”
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SDSS-IV MaNGA: the impact of diffuse ionized gas on emission-line ratios, interpretation of diagnostic diagrams and gas metallicity measurements
Published in Monthly notices of the Royal Astronomical Society (21-04-2017)“…Abstract Diffuse ionized gas (DIG) is prevalent in star-forming galaxies. Using a sample of 365 nearly face-on star-forming galaxies observed by Mapping Nearby…”
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SDSS-IV MaNGA: evidence of the importance of AGN feedback in low-mass galaxies
Published in Monthly notices of the Royal Astronomical Society (01-05-2018)“…Abstract We present new evidence for AGN feedback in a subset of 69 quenched low-mass galaxies (M⋆ ≲ 5 × 109 M⊙, Mr > −19) selected from the first 2 yr of the…”
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SDSS-IV MaNGA: the spatially resolved stellar initial mass function in ∼400 early-type galaxies
Published in Monthly notices of the Royal Astronomical Society (01-07-2018)“…Abstract Mapping Nearby Galaxies at Apache Point Observatory provides the opportunity to make precise spatially resolved measurements of the IMF slope in…”
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SDSS-IV MaNGA – the spatially resolved transition from star formation to quiescence
Published in Monthly notices of the Royal Astronomical Society (21-04-2017)“…Abstract Using spatially resolved spectroscopy from SDSS-IV MaNGA we have demonstrated that low ionization emission-line regions (LIERs) in local galaxies…”
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Do galaxy global relationships emerge from local ones? The SDSS IV MaNGA surface mass density–metallicity relation
Published in Monthly notices of the Royal Astronomical Society (11-12-2016)“…We present the stellar surface mass density versus gas metallicity (Σ*-Z) relation for more than 500 000 spatially resolved star-forming resolution elements…”
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SDSS IV MaNGA: the global and local stellar mass assemby histories of galaxies
Published in Monthly notices of the Royal Astronomical Society (11-12-2016)“…Using the fossil record method implemented through Pipe3D, we reconstruct the global and radial stellar mass growth histories (MGHs) of a large sample of…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: Initial C iv Lag Results from Four Years of Data
Published in The Astrophysical journal (10-12-2019)“…We present reverberation-mapping (RM) lags and black hole mass measurements using the C ivλ1549 broad emission line from a sample of 348 quasars monitored as a…”
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SDSS-IV MaNGA: Inside-out versus Outside-in Quenching of Galaxies in Different Local Environments
Published in The Astrophysical journal (10-02-2019)“…The large Integral Field Spectroscopy surveys have allowed the classification of ionizing sources of emission lines on sub-kiloparsec scales. In this work, we…”
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A Cosmic Void Catalog of SDSS DR12 BOSS Galaxies
Published in The Astrophysical journal (01-02-2017)“…We present a cosmic void catalog using the large-scale structure galaxy catalog from the Baryon Oscillation Spectroscopic Survey (BOSS). This galaxy catalog is…”
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SDSS-IV MaNGA: Galaxy Pair Fraction and Correlated Active Galactic Nuclei
Published in The Astrophysical journal (01-04-2018)“…We have identified 105 galaxy pairs at z ∼ 0.04 with the MaNGA integral-field spectroscopic data. The pairs have projected separations between 1 and 30 kpc,…”
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Stellar masses of SDSS-III/BOSS galaxies at z ∼ 0.5 and constraints to galaxy formation models
Published in Monthly notices of the Royal Astronomical Society (11-11-2013)“…We calculate stellar masses for ∼400 000 massive luminous galaxies at redshift ∼0.2-0.7 using the first two years of data from the Baryon Oscillation…”
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SEGUE-2: Old Milky Way Stars Near and Far
Published in The Astrophysical journal. Supplement series (01-04-2022)“…Abstract The Sloan Extension for Galactic Understanding and Exploration 2 (SEGUE-2) obtained 128,288 low-resolution spectra ( R ∼ 1800) of 118,958 unique stars…”
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What drives the velocity dispersion of ionized gas in star-forming galaxies?
Published in Monthly notices of the Royal Astronomical Society (01-07-2019)“…Abstract We analyse the intrinsic velocity dispersion properties of 648 star-forming galaxies observed by the Mapping Nearby Galaxies at Apache Point…”
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A Tale of Two Disks: Mapping the Milky Way with the Final Data Release of APOGEE
Published in The Astrophysical journal (01-09-2023)“…Abstract We present new maps of the Milky Way disk showing the distribution of metallicity ([Fe/H]), α -element abundances ([Mg/Fe]), and stellar age, using a…”
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The impact of merging on the origin of kinematically misaligned and counter-rotating galaxies in MaNGA
Published in Monthly notices of the Royal Astronomical Society (01-02-2021)“…ABSTRACT Galaxy mergers and interactions are expected to play a significant role leading to offsets between gas and stellar motions in galaxies. Herein, we…”
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The Chemodynamics of the Stellar Populations in M31 from APOGEE Integrated-light Spectroscopy
Published in The Astrophysical journal (01-07-2023)“…Abstract We present an analysis of nearly 1000 near-infrared, integrated-light spectra from APOGEE in the inner ∼7 kpc of M31. We utilize full-spectrum fitting…”
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APOGEE KINEMATICS. I. OVERVIEW OF THE KINEMATICS OF THE GALACTIC BULGE AS MAPPED BY APOGEE
Published in The Astrophysical journal (01-03-2016)“…ABSTRACT We present the stellar kinematics across the Galactic bulge and into the disk at positive longitudes from the SDSS-III APOGEE spectroscopic survey of…”
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P-MaNGA: GRADIENTS IN RECENT STAR FORMATION HISTORIES AS DIAGNOSTICS FOR GALAXY GROWTH AND DEATH
Published in The Astrophysical journal (10-05-2015)“…ABSTRACT We present an analysis of the data produced by the MaNGA prototype run (P-MaNGA), aiming to test how the radial gradients in recent star formation…”
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