Search Results - "Borissova, Jura"
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Accretion Funnel Reconfiguration during an Outburst in a Young Stellar Object: EX Lupi
Published in The Astrophysical journal (01-06-2024)“…EX Lupi, a low-mass young stellar object, went into an accretion-driven outburst in 2022 March. The outburst caused a sudden phase change of ∼112° ± 5° in…”
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Pre-main-sequence Brackett Emitters in the APOGEE DR17 Catalog: Line Strengths and Physical Properties of Accretion Columns
Published in The Astrophysical journal (01-01-2023)“…Abstract Very young ( t ≲ 10 Myr) stars possess strong magnetic fields that channel ionized gas from the interiors of their circumstellar disks to the surface…”
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Massive Stars in the SDSS-IV/APOGEE SURVEY. I. OB Stars
Published in The Astrophysical journal (01-03-2018)“…In this work, we make use of DR14 APOGEE spectroscopic data to study a sample of 92 known OB stars. We developed a near-infrared semi-empirical spectral…”
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Variable stars around selected open clusters in the VVV area: Young Stellar Objects
Published in EPJ Web of Conferences (01-01-2017)“…Time-varying phenomena are one of the most substantial sources of astrophysical information, and led to many fundamental discoveries in modern astronomy. We…”
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Journal Article Conference Proceeding -
5
Metallicity relations in LMC and SMC from the slope of red giant branch stars in globular clusters
Published in The European physical journal. ST, Special topics (25-06-2024)Get full text
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Correction to: Metallicity relations in LMC and SMC from the slope of red giant branch stars in globular cluster
Published in The European physical journal. ST, Special topics (18-07-2024)Get full text
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7
Variable stars in the Galactic center, as revealed by the VVV Survey
Published in EPJ Web of Conferences (01-01-2017)“…A variability search has been performed in the Galactic center, using the nearinfrared images from the Vista Variables in the Vía Láctea (VVV) Survey. Light…”
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Journal Article Conference Proceeding -
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Kinematic Evidence for an Old Stellar Halo in the Large Magellanic Cloud
Published in Science (American Association for the Advancement of Science) (12-09-2003)“…The oldest and most metal-poor Milky Way stars form a kinematically hot halo, which motivates the two major formation scenarios for our galaxy: extended…”
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APOGEE Net: An Expanded Spectral Model of Both Low-mass and High-mass Stars
Published in The Astronomical journal (01-04-2022)“…Abstract We train a convolutional neural network, APOGEE Net, to predict T eff , log g , and, for some stars, [Fe/H], based on the APOGEE spectra. This is the…”
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10
Variable Stars in Sagittarius Globular Clusters. I. Arp 2
Published in Publications of the Astronomical Society of the Pacific (01-05-2019)“…We present new photometry and analysis of the twelve variable stars (nine RR Lyrae (RRL), three SX Phoenicis (SX Phe)) belonging to the Sagittarius globular…”
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Massive Stars in the SDSS-IV-APOGEE Survey: Wolf-Rayet Stars of the WN Type
Published in The Astrophysical journal (10-03-2020)“…In this paper, we describe the results obtained in our study of Galactic Wolf-Rayet stars of the WN type, using the APOGEE2 spectrographs. The APOGEE2 WN star…”
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12
Chemical Abundances of the Highly Obscured Galactic Globular Clusters 2MASS GC02 and Mercer 5
Published in Publications of the Astronomical Society of the Pacific (01-04-2015)“…We present the first high spectral resolution abundance analysis of two newly discovered Galactic globular clusters, namely, Mercer 5 and 2MASS GC02, residing…”
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THE TIME DOMAIN SPECTROSCOPIC SURVEY: VARIABLE SELECTION AND ANTICIPATED RESULTS
Published in The Astrophysical journal (20-06-2015)“…ABSTRACT We present the selection algorithm and anticipated results for the Time Domain Spectroscopic Survey (TDSS). TDSS is an Sloan Digital Sky Survey…”
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Variable Stars in Sagittarius Globular Clusters. I. Arp 2
Published in Publications of the Astronomical Society of the Pacific (01-05-2019)“…We present new photometry and analysis of the twelve variable stars (nine RR Lyrae (RRL), three SX Phoenicis (SX Phe)) belonging to the Sagittarius globular…”
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15
Assessing the Stellar Population and the Environment of an H ii Region on the Far Side of the Galaxy
Published in The Astrophysical journal (01-04-2021)“…Abstract We have investigated the stellar and interstellar content of the distant star formation region IRAS 17591-2228 (WISE H ii region GAL 007.47+0.06). It…”
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Massive Stars in the SDSS-IV/APOGEE-2 Survey. II. OB-stars in the W345 Complexes
Published in The Astrophysical journal (01-03-2019)“…In this work, we have applied a semi-empirical spectral classification method for OB-stars using the APOGEE spectrograph to a sample of candidates in the…”
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17
Metallicity relations in LMC and SMC from the slope of Red Giant Branch stars in globular clusters
Published 14-06-2024“…Red giants are an excellent tool for probing the history of star formation and subsequent metallicity evolution in the galaxies. The well-defined red giant…”
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A multiwavelength view on the dusty Wolf–Rayet star WR 48a
Published in Monthly notices of the Royal Astronomical Society (01-12-2014)“…We present results from the first attempts to derive various physical characteristics of the dusty Wolf-Rayet (WR) star WR 48a based on a multiwavelength view…”
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DENIS J081730.0-615520: AN OVERLOOKED MID-T DWARF IN THE SOLAR NEIGHBORHOOD
Published in The Astrophysical journal (2010)Get full text
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NEW EVIDENCE SUPPORTING MEMBERSHIP FOR TW NOR IN LYNGÅ 6 AND THE CENTAURUS SPIRAL ARM
Published in The Astrophysical journal (2011)Get full text
Journal Article