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spectra

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A SIGNIFICANT INCREASE IN DETECTION OF HIGH-RESOLUTION EMISSION SPECTRA USING A THREE-DIMENSIONAL ATMOSPHERIC MODEL OF A HOT JUPITER

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(AGENPARL) – GARCHING (GERMANY), sab 23 gennaio 2021 First Author: Beltz, HayleyInstruments: CRIRESProgramIDs: 186.C-0289BibCode: 2021AJ….161….1B High-resolution spectroscopy has opened the way for new, detailed study of exoplanet atmospheres. There is evidence that this technique can be sensitive to the complex, three-dimensional (3D) atmospheric structure of these planets. In this work,......
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MEASURING THE EFFECT OF PROGENITOR METALLICITY ON TYPE IA SUPERNOVA DISTANCE ESTIMATES

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(AGENPARL) – LOW EARTH ORBIT, gio 21 gennaio 2021 Measuring the Effect of Progenitor Metallicity on Type Ia Supernova Distance EstimatesHST Proposal 16238 Ryan Foley (publications @ ADS)University of California – Santa Cruz Cycle: 28Category: Large Scale Structure of the UniverseProposal type: GOStatus: implementation HST Proposal Information: about this proposal......
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THE WIDEST BROADBAND TRANSMISSION SPECTRUM (0.38-1.71 μM) OF HD 189733B FROM GROUND-BASED CHROMATIC ROSSITER-MCLAUGHLIN OBSERVATIONS

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(AGENPARL) – GARCHING (GERMANY), mer 20 gennaio 2021 First Author: Oshagh, M.Instruments: HARPSProgramIDs: 079.C-0828, 072.C-0488, 079.C-0127BibCode: 2020A&A…643A..64O Multiband photometric transit observations (spectro-photometric) have been used mostly so far to retrieve broadband transmission spectra of transiting exoplanets in order to study their atmospheres. An alternative method was proposed, and has only......
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ESTIMATING THE ULTRAVIOLET EMISSION OF M DWARFS WITH EXOPLANETS FROM CA II AND Hα

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(AGENPARL) – GARCHING (GERMANY), sab 16 gennaio 2021 First Author: Melbourne, KatherineInstruments: HARPS, UVESProgramIDs: 075.C-0202, 075.C-0321, 076.C-0010, 076.C-0155, 077.C-0012, 077.C-0364, 079.C-0046, 080.D-0151, 081.D-0190, 082.C-0218, 082.C-0718, 082.D-0953, 085.C-0019, 086.D-0062, 088.C-0506, 088.C-0662, 089.C-0207, 089.C-0497, 089.C-0732, 089.C-0904, 090.C-0421, 091.C-0034, 092.C-0721, 093.C-0343, 093.C-0409, 095.C-0437, 095.C-0551, 095.C-0718, 095.D-0291, 096.C-0258, 096.C-0460, 096.C-0876, 097.C-0390, 098.C-0366, 099.C-0205, 099.C-0225,......
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STELLAR POPULATION ASTROPHYSICS (SPA) WITH TNG. THE OLD OPEN CLUSTERS COLLINDER 350, GULLIVER 51, NGC 7044, AND RUPRECHT 171

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(AGENPARL) – GARCHING (GERMANY), ven 15 gennaio 2021 First Author: Casali, G.Instruments: FLAMES, GIRAFFE, UVESProgramIDs: 188.B-3002, 193.B-0936BibCode: 2020A&A…643A..12C Context. Open clusters are excellent tracers of the chemical evolution of the Galactic disc. The spatial distribution of their elemental abundances, through the analysis of high-quality and high-resolution spectra, provides insight into......
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BENCHMARK STARS, BENCHMARK SPECTROGRAPHS. DETAILED SPECTROSCOPIC COMPARISON OF ESPRESSO, PEPSI, AND HARPS DATA FOR GAIA BENCHMARK STARS

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(AGENPARL) – GARCHING (GERMANY), gio 14 gennaio 2021 First Author: Adibekyan, V.Instruments: ESPRESSO, HARPSProgramIDs: 192.C-0852, 196.C-1006, 198.C-0836, 60.A-9036, 074.C-0012, 081.C-0802, 082.C-0315, 082.C-0427, 091.C-0936, 094.C-0797, 0100.D-0444, 072.C-0488, 073.D-0590, 078.D-0492, 080.D-0347, 084.C-0229, 088.C-0513, 090.C-0849, 096.C-0053, 0102.D-0185, 0103.D-0118, 0104.D-0362BibCode: 2020A&A…642A.182A Context. Gaia benchmark stars are selected to be calibration stars for different spectroscopic......
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USURPER: UNIT-SPHERE REPRESENTATION PERIODOGRAM FOR FULL SPECTRA

Redazione
(AGENPARL) – GARCHING (GERMANY), lun 11 gennaio 2021 First Author: Binnenfeld, A.Instruments: HARPSProgramIDs: 079.D-0118BibCode: 2020A&A…642A.146B We introduce an extension of the periodogram concept to time-resolved spectroscopy. USuRPER, the unit-sphere representation periodogram, is a novel technique that opens new horizons in the analysis of astronomical spectra. It can be used to......
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WOBBLE: A DATA-DRIVEN ANALYSIS TECHNIQUE FOR TIME-SERIES STELLAR SPECTRA

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(AGENPARL) – GARCHING (GERMANY), dom 10 gennaio 2021 First Author: Bedell, MeganInstruments: HARPSProgramIDs: 60.A-9700, 072.C-0488, 089.C-0497, 091.C-0271, 099.C-0880, 183.C-0437, 191.C-0505BibCode: 2019AJ….158..164B In recent years, dedicated extreme precision radial velocity (RV) spectrographs have produced vast quantities of high-resolution, high-signal-to-noise (S/N) time-series spectra for bright stars. These data contain valuable information for......
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PIC: A DATA REDUCTION ALGORITHM FOR INTEGRAL FIELD SPECTROGRAPHS. APPLICATION TO THE SPHERE INSTRUMENT

Redazione
(AGENPARL) – GARCHING (GERMANY), dom 10 gennaio 2021 First Author: Berdeu, AnthonyInstruments: SPHEREProgramIDs: 60.A-9357, 60.A-9372, 095.C-0298, 097.C-0865BibCode: 2020A&A…635A..90B Context. The improvement of large size detectors permitted the development of integral field spectrographs (IFSs) in astronomy. Spectral information for each spatial element of a two-dimensional field of view is obtained thanks......
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LEVERAGING HST WITH MUSE: II. NA-ABUNDANCE VARIATIONS IN INTERMEDIATE AGE STAR CLUSTERS

Redazione
(AGENPARL) – GARCHING (GERMANY), sab 09 gennaio 2021 First Author: Martocchia, S.Instruments: MUSEProgramIDs: 0104.D-0257BibCode: 2020MNRAS.499.1200M Ancient (>10-=Gyr) globular clusters (GCs) show chemical abundance variations in the form of patterns among certain elements, e.g. N correlates with Na and anticorrelates with O. Recently, N abundance spreads have also been observed in......

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