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MODELLING THE SOLAR TWIN 18 SCORPII

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(AGENPARL) – GARCHING (GERMANY), lun 25 gennaio 2021 First Author: Bazot, M.Instruments: HARPSProgramIDs: 183.D-0729BibCode: 2018A&A…619A.172B Context. Solar twins are objects of great interest in that they allow us to understand better how stellar evolution and structure are affected by variations of the stellar mass, age and chemical composition in the......
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RADIATION-PRESSURE-DRIVEN SUB-KEPLERIAN ROTATION OF THE DISC AROUND THE AGB STAR L<SUB>2</SUB> PUP

Redazione
(AGENPARL) – GARCHING (GERMANY), lun 25 gennaio 2021 First Author: Haworth, Thomas J.Instruments: ALMA_Band_9, ALMA_BandsProgramIDs: 2011.0.00277.SBibCode: 2018MNRAS.473..317H We study the sub-Keplerian rotation and dust content of the circumstellar material around the asymptotic giant branch (AGB) star L2 Puppis. We find that the thermal pressure gradient alone cannot explain the observed......
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LYMAN CONTINUUM ESCAPE FRACTION FROM LOW-MASS STARBURSTS AT Z = 1.3

Redazione
(AGENPARL) – GARCHING (GERMANY), dom 24 gennaio 2021 First Author: Alavi, AnahitaInstruments: VIMOSProgramIDs: 168.A-0485BibCode: 2020ApJ…904…59A We present a new constraint on the Lyman continuum (LyC) escape fraction at $zsim 1.3$ . We obtain deep, high sensitivity far-UV imaging with the Advanced Camera for Surveys Solar Blind Channel on the Hubble......
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EVOLUTION OF C IV ABSORBERS. I. THE COSMIC INCIDENCE

Redazione
(AGENPARL) – GARCHING (GERMANY), dom 24 gennaio 2021 First Author: Hasan, FarhanulInstruments: UVESProgramIDs: 60.A-9022, 66.A-0624, 69.A-0613, 70.A-0031, 073.B-0787, 074.A-0473, 075.A-0617, 076.A-0376, 083.A-0733, 166.A-0106, 185.A-0745, 267.B-5698BibCode: 2020ApJ…904…44H We present a large high-resolution study of the distribution and evolution of C IV absorbers, including the weakest population with equivalent widths ${W}_{r}lt 0.3,mathring{rm......
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UBIQUITOUS MOLECULAR OUTFLOWS IN Z > 4 MASSIVE, DUSTY GALAXIES. I. SAMPLE OVERVIEW AND CLUMPY STRUCTURE IN MOLECULAR OUTFLOWS ON 500 PC SCALES

Redazione
(AGENPARL) – GARCHING (GERMANY), sab 23 gennaio 2021 First Author: Spilker, Justin S.Instruments: ALMA_Band_7, ALMA_Band_8, ALMA_BandsProgramIDs: 2015.1.00942.S, 2016.1.00089.S, 2016.1.01499.S, 2018.1.00191.S, 2019.1.00253.SBibCode: 2020ApJ…905…85S Massive galaxy-scale outflows of gas are one of the most commonly invoked mechanisms to regulate the growth and evolution of galaxies throughout the universe. While the gas in......
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A WARM MOLECULAR RING IN AG CAR: COMPOSING THE MASS-LOSS PUZZLE

Redazione
(AGENPARL) – GARCHING (GERMANY), sab 23 gennaio 2021 First Author: Bordiu, C.Instruments: ALMA_Band_6, ALMA_Bands, Decomm.Inst., SHFIProgramIDs: unknownID, 2019.1.01056.S, 094.D-0598BibCode: 2021MNRAS.500.5500B We present APEX observations of CO J = 3 → 2 and ALMA observations of CO J = 2 → 1, 13CO J = 2 → 1, and continuum towards......
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YOUNG STELLAR POPULATION GRADIENTS IN CENTRAL CLUSTER GALAXIES FROM NUV AND OPTICAL SPECTROSCOPY

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(AGENPARL) – GARCHING (GERMANY), sab 23 gennaio 2021 First Author: Salvador-Rusiñol, N.Instruments: XSHOOTERProgramIDs: 094.B-0747, 097.B-0229, 092.B-0378BibCode: 2021MNRAS.500.3368S Central cluster galaxies are the largest and most massive galaxies in the Universe. Although they host very old stellar populations, several studies found the existence of blue cores in some BCGs indicating ongoing......
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THE CGM AT COSMIC NOON WITH KCWI: OUTFLOWS FROM A STAR-FORMING GALAXY AT Z = 2.071

Redazione
(AGENPARL) – GARCHING (GERMANY), sab 23 gennaio 2021 First Author: Nielsen, Nikole M.Instruments: UVESProgramIDs: 079.A-0656, 081.A-0478BibCode: 2020ApJ…904..164N We present the first results from our “CGM at Cosmic Noon with KCWI” program to study gas flows in the circumgalactic medium (CGM) at z = 2─3. Combining the power of a high-resolution......
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DISENTANGLING THE MULTIPHASE CIRCUMGALACTIC MEDIUM SHARED BETWEEN A DWARF AND A MASSIVE STAR-FORMING GALAXY AT Z∼0.4

Redazione
(AGENPARL) – GARCHING (GERMANY), sab 23 gennaio 2021 First Author: Nateghi, HastiInstruments: UVESProgramIDs: 075.A-0841BibCode: 2021MNRAS.500.3987N The multiphase circumgalactic medium (CGM) arises within the complex environment around a galaxy, or collection of galaxies, and possibly originates from a wide range of physical mechanisms. In this paper, we attempt to disentangle the......
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MG II AND FE II FLUXES OF LUMINOUS QUASARS AT Z ∼ 2.7 AND THE EVALUATION OF THE BALDWIN EFFECT IN THE FLUX-TO-ABUNDANCE CONVERSION METHOD FOR QUASARS

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(AGENPARL) – GARCHING (GERMANY), sab 23 gennaio 2021 First Author: Sameshima, HiroakiInstruments: SpecialNTTProgramIDs: 0100.B-0939BibCode: 2020ApJ…904..162S To investigate the chemical abundance of broad-line region clouds in quasars at high redshifts, we performed near-infrared spectroscopy of six luminous quasars at z ∼ 2.7 with the WINERED spectrograph mounted on the New Technology......

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