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Panchromatic calibration of Ca II triplet luminosity dependence

Dias, Bruno; Parisi, Maria Celeste (EDP Sciences, 2020-10)

The line strength of the near-infrared Ca II triplet (CaT) lines are a proxy for measuring metallicity from integrated and individual stellar spectra of bright red giant stars. In the latter case it is a mandatory step to ...

The antenna DSA 3 and its potential use for Radio Astronomy

Benaglia, Paula; Casco, N.; Cichowolski, Silvina; Cillis, Analia Nilda; Garcia, Beatriz Elena; Ravignani, D.; Reynoso, Estela Marta; de la Vega, G. (Asociacion Argentina de Astronomia, 2011-10)

The European Space Agency (ESA) will inaugurate its third Deep Space Antenna (DSA 3) by the end of 2012. DSA 3 will be located in Argentina near the city of Malarg"ue in the Mendoza province. While the instrument will ...

The Giant Radio Array for Neutrino Detection

Martineau Huynh, Olivier; Bustamante, Mauricio; Carvalho, Washington; Charrier, Didier; De Jong, Sijbrand; D. de Vries, Krijn; Fang, Ke; Feng, Zhaoyang; Finley, Chad; Gou, Quanbu; Gu, Junhua; Hu, Hongbo; Kotera, Kumiko; Le Coz, Sandra; Medina, Maria Clementina; Murase, Kohta; Niess, Valentin; Oikonomou, Foteini; Timmermans, Charles; Wang, Zhen; Wu, Xiangping; Zhang, Yi; The GRAND collaboration (EDP Sciences, 2017)

The Giant Radio Array for Neutrino Detection (GRAND) is a planned arrayof ~2x10^{5} radio antennas deployed over ∼ 200 000 km^2 in a mountainous site. It aims primarly at detecting high-energy neutrinos via the observation ...

A new method to generate dust with astrophysical properties

Hansen, J. F.; Van Breugel, W.; Bringa, Eduardo Marcial; Eberly, B.; Graham, G. A.; Remington, Bruce A.; Taylor, E. A.; Tielens, A. G. (Iop Publishing, 2011-05-25)

To model the size distribution and composition of interstellar and interplanetary dust grains, and their effect on a wide range of phenomena, it is vital to understand the mechanism of dust-shock interaction. We demonstrate ...

Mapping low- and high-density clouds in astrophysical nebulae by imaging forbidden line emission

STEINER, J. E.; MENEZES, R. B.; RICCI, T. V.; OLIVEIRA, A. S. (WILEY-BLACKWELL PUBLISHING, INC, 2009)

Emission line ratios have been essential for determining physical parameters such as gas temperature and density in astrophysical gaseous nebulae. With the advent of panoramic spectroscopic devices, images of regions with ...

Monte Carlo design studies for the Cherenkov Telescope Array

Medina, Maria Clementina; CTA Consortium (Elsevier Science, 2013-03)

The Cherenkov Telescopes Array (CTA) is planned as the future instrument for very-high-energy (VHE) gamma-ray astronomy with a wide energy range of four orders of magnitude and an improvement in sensitivity compared to ...

Radiolysis and sputtering of carbon dioxide ice induced by swift Ti, Ni, and Xe ions

Mejia Guaman, Christian Fernando; Bender, M.; Severin, Daniel; Trautmann, Christina; Boduch, Philippe; Bordalo, Vinicius; Domaracka, Alicja; Lv, Xueyang; Martinez, Rafael; Rothard, Hermann (2015)

Solid carbon dioxide (CO2) is found in several bodies of the solar system, the interstellar medium (ISM) and young stellar objects, where it is exposed to cosmic and stellar wind radiation. Here, the chemical and physical ...

Characterizing the astrometric precision limit for moving targets observed with digital-array detectors

Bouquillon, S.; Méndez Bussard, René Alejandro; Altmann, M.; Carlucci, T.; Barache, C.; Taris, F.; Andrei, A. H.; Smart, R. (EDP Sciences, 2017)

Aims. We investigate the maximum astrometric precision that can be reached on moving targets observed with digital-sensor arrays, and provide an estimate for its ultimate lower limit based on the Cramer-Rao bound. Methods. ...

Euclid: constraining dark energy coupled to electromagnetism using astrophysical and laboratory data

Martinelli, M.; Martins, C. J. A. P.; Nesseris, S.; Tutusaus, I.; Blanchard, A.; Camera, S.; Carbone, C.; Casas, S.; Pettorino, V.; Sakr, Z.; Yankelevich, V.; Sapone, Domenico; Amara, A.; Auricchio, N.; Bodendorf, C.; Bonino, D.; Branchini, E.; Capobianco, V.; Carretero, J.; Castellano, M.; Cavuoti, S.; Cimatti, A.; Cledassou, R.; Corcione, L.; Costille, A.; Degaudenzi, H.; Douspis, M.; Dubath, F.; Dusini, S.; Ealet, A.; Ferriol, S.; Frailis, M.; Franceschi, E.; Garilli, B.; Giocoli, C.; Grazian, A.; Grupp, F.; Haugan, S.V.H.; Holmes, W.; Hormuth, F.; Jahnke, K.; Kiessling, A.; Kümmel, M.; Kunz, M.; Kurki Suonio, H.; Ligori, S.; Lilje, P. B.; Lloro, I.; Mansutti, O.; Marggraf, O.; Markovic, K.; Massey, R.; Meneghetti, M.; Meylan, G.; Moscardini, L.; Niemi, S. M.; Padilla, C.; Paltani, S.; Pasian, F.; Pedersen, K.; Pires, S.; Poncet, M.; Popa, L.; Raison, F.; Rebolo, R.; Rhodes, J.; Roncarelli, M.; Rossetti, E.; Saglia, R.; Secroun, A.; Seidel, G.; Serrano, S.; Sirignano, C.; Sirri, G.; Starck, J. L.; Tavagnacco, D.; Taylor, A. N.; Tereno, I.; Toledo Moreo, R.; Valenziano, L.; Wang, Y.; Zamorani, G.; Zoubian, J.; Baldi, M.; Brescia, M.; Congedo, G.; Conversi, L.; Copin, Y.; Fabbian, G.; Farinelli, R.; Medinaceli, E.; Mei, S.; Polenta, G.; Romelli, E.; Vassallo, T. (EDP Sciences, 2021)

In physically realistic, scalar-field-based dynamical dark energy models (including, e.g., quintessence), one naturally expects the scalar field to couple to the rest of the model's degrees of freedom. In particular, a ...

Discovery of a warm, dusty giant planet around HIP 65426

Chauvin, G.; Desidera, S.; Lagrange, Anne Marie; Vigan, A. (EDP Sciences, 2017)

Aims. The SHINE program is a high-contrast near-infrared survey of 600 young, nearby stars aimed at searching for and characterizing new planetary systems using VLT/SPHERE's unprecedented high-contrast and high-angular-resolution ...

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