Zobrazeno 1 - 10
of 173
pro vyhledávání: '"Norbert Christlieb"'
Publikováno v:
The Astrophysical Journal, Vol 946, Iss 2, p 99 (2023)
We explore the chemodynamical properties of a sample of very metal-poor (VMP) stars selected from the Hamburg/ESO survey, matched with Gaia EDR3, in the phase space identified by the three integrals of motion ( L _z , E , I _3 ). Disk and halo orbits
Externí odkaz:
https://doaj.org/article/028bbbbf3f364d91b06df836c092a905
We explore the chemo-dynamical properties of a sample of very metal-poor (VMP) stars selected from the Hamburg/ESO survey, matched with Gaia EDR3, in the phase-space identified by the three integrals of motion ($L_z$, $E$, $I_3$). Disk and halo orbit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a824e89e0c51bf274c74b791b8155c27
http://arxiv.org/abs/2212.08294
http://arxiv.org/abs/2212.08294
Autor:
Roelof de Jong, Olga Bellido-Tirado, Joar . Brynnel, Aida Ezzati Amini, Steffen Frey, Christine Füßlein, Miklos Gäbler, Domenico Giannone, Diana Johl, Silke Kuba, Ulrike Lemke, Genoveva Micheva, Allar Saviauk, Matthias Steinmetz, Jakob C. Walcher, Roland Winkler, Karin Lind, Jonathan Loveday, Sofia Feltzing, Richard McMahon, Vincenzo Mainieri, Jean-François Pirard, Thomas Bensby, Maria Bergemann, Cristina Chiappini, Norbert Christlieb, Maria-Rosa Cioni, Johan Comparat, Simon Driver, Isobel Hook, Mike Irwin, Jean-Paul Kneib, Jochen Liske, Andrea Merloni, Ivan Minchev, Johan Richard, Else Starkenburg, Mark Sullivan, Clare Worley, Wolfgang Gaessler, Florance Laurent, Johan Pragt, Alban Remillieux, Florian Rothmaier, Scott Smedley, Ingo Stilz, Nicholas Walton, David M. Alexander, Ross Church, Scott Croom, Luke J. Davies, Caroline Heneka, Nikolay Kacharov, Jörg Knoche, Georges Kordopatis, Mirko Krumpe, Sarah Martell, Peder Norberg, Ingrid Pelisoli, Sanjib Sharma, Jesper Storm, Elmo Tempel
Publikováno v:
Ground-based and Airborne Instrumentation for Astronomy IX.
4MOST is a new high-multiplex, wide-field spectroscopic survey facility under construction for ESO's 4m-VISTA telescope at Paranal, Chile. Its key specifications are: a large field of view of 4.4 square degrees, a high multiplex fibre positioner base
Autor:
Wako Aoki, Haining Li, Tadafumi Matsuno, Qianfan Xing, Yuqin Chen, Norbert Christlieb, Satoshi Honda, Miho N. Ishigaki, Jianrong Shi, Takuma Suda, Nozomu Tominaga, Hong-Liang Yan, Jingkun Zhao, Gang Zhao
Publikováno v:
Astrophysical Journal, 931(2):146. IOP PUBLISHING LTD
The chemical abundances of very metal-poor stars provide important constraints on the nucleosynthesis of the first generation of stars and early chemical evolution of the Galaxy. We have obtained high-resolution spectra with the Subaru Telescope for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6406d27b25e5a5699ba4e5ac18962cb5
Autor:
Stefano Cristiani, Juan Manuel Alcalá, Alencar Silvia, Serj Balashev, Nate Bastian, Beatriz Barbuy, Battino Umberto, Ariadna Calcines Rosario, Giorgio Calderone, Pamela Cambianica, Roberta Carini, Brad Carter, Santi Cassisi, Bruno Castilho, Gabriele Cescutti, Norbert Christlieb, Roberto Cirami, Igor Coretti, Ryan J. Cooke, Stefano Covino, Gabriele Cremonese, Katia Cunha, Guido Cupani, André da Silva, Vincenzo De Caprio, Annalisa De Cia, Hans Dekker, Valerio D'Elia, Gayandhi de Silva, Marcos P. Diaz, Paolo Di Marcantonio, Domenico D'Auria, Valentina D'Odorico, Alan Fitzsimmons, Heitor Ernandes, Chris Evans, Mariagrazia Franchini, Matteo Genoni, Boris Gänsicke, Riano Escate Giribaldi, Clemens D. Gneiding, Andrea Grazian, Camilla Juul Hansen, Fiorangela La Forgia, Marco Landoni, Monica Lazzarin, David Lunney, Walter J. Maciel, Wagner Marcolino, Marcella Marconi, Alessandra Migliorini, Chris Miller, Pasquier Noterdaeme, Cyrielle Opitom, Giorgio Pariani, Bogumil Pilecki, Silvia Piranomonte, Andreas Quirrenbach, Edoardo Maria Alberto Redaelli, Claudio Pereira, Sofia Randich, Silvia Rossi, Ruben Sanchez-Janssen, Walter Seifert, Rodolfo Smiljanic, Colin Snodgrass, Ingo Stilz, Julian Stürmer, Eros Vanzella, Paolo Ventura, Orlando Verducci, Chris Waring, Stephen Watson, Martyn Wells, Duncan Wright, Tayyaba Zafar, Alessio Zanutta
Publikováno v:
(2022). Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX. : SPIE, pp. 121840A, SPIE Proceedings, Vol.12184
In the era of Extremely Large Telescopes, the current generation of 8-10m facilities are likely to remain competitive at ground-UV wavelengths for the foreseeable future. The Cassegrain U-Band Efficient Spectrograph (CUBES) has been designed to provi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec5bd6e17e785a0ec5c23fa41dc557f6
https://hdl.handle.net/11577/3466858
https://hdl.handle.net/11577/3466858
Autor:
Rodolfo Smiljanic, G. Cupani, C. J. Hansen, A. Quirrenbach, S. Cristiani, M. Franchini, Beatriz Barbuy, H. Ernandes, Chris Evans, Norbert Christlieb, G. Cescutti, Bruno Castilho, P. Di Marcantonio
Alongside future observations with the new European Extremely Large Telescope (ELT), optimised instruments on the 8-10m generation of telescopes will still be competitive at 'ground UV' wavelengths (3000-4000 A). The near UV provides a wealth of uniq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e94ab6de523d30e17a598fcfc48ab459
http://arxiv.org/abs/2102.02205
http://arxiv.org/abs/2102.02205
Autor:
Samual C. Barden, Norbert Christlieb, Else Starkenburg, Jean-Paul Kneib, Wolfgang Gaessler, Thomas Bensby, Jörg Knoche, Johan Pragt, Johan Comparat, H. Önel, Man I. Lam, Johan Richard, Andreas Kelz, J. Walcher, Florian Rothmaier, Maria Bergemann, Roland Winkler, Isabella Cesarini, Amina Helmi, Clare Worley, Mike Irwin, Ingo Stilz, Mark Sullivan, Andrea Merloni, Domenico Giannone, Steffen Frey, Diana Johl, Jean-Francois Pirard, Maria-Rosa L. Cioni, Matthias Steinmetz, Genoveva Micheva, Simon P. Driver, Alban Remilleux, Vincenzo Mainieri, Joar Brynnel, Nicholas A. Walton, Roelof S. de Jong, Cristina Chiappini, Richard G. McMahon, Sofia Feltzing, Ivan Minchev, Scott Smedley, Olga Bellido-Tirado, Jochen Liske
Publikováno v:
Ground-based and Airborne Instrumentation for Astronomy VIII.
A status overview of 4MOST is presented, a new high-multiplex, wide-field spectroscopic survey facility under construction for ESO's VISTA telescope at Paranal. Its key specifications are: a large field of view of 4.4 deg2 and a high multiplex capabi
Autor:
Johan Comparat, Edward N. Taylor, Mirko Krumpe, E. Swann, Norbert Christlieb, C. J. Walcher, Radu S. Stoica, Georges Kordopatis, Sofia Feltzing, Andreas Koch, Peder Norberg, Cristina Chiappini, Jesper Storm, Boudewijn F. Roukema, T. Tuvikene, Jonathan Loveday, Maria-Rosa L. Cioni, Isobel Hook, Elmo Tempel, Jenny G. Sorce, R. S. de Jong, Thomas Bensby, Gregor Traven, Ivan Minchev, Moorits Mihkel Muru
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2020, 497 (4), pp.4626-4643. ⟨10.1093/mnras/staa2285⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2020, 497 (4), pp.4626-4643. ⟨10.1093/mnras/staa2285⟩
Monthly notices of the Royal Astronomical Society, 2020, Vol.497(4), pp.4626-4643 [Peer Reviewed Journal]
Monthly Notices of the Royal Astronomical Society, 2020, 497 (4), pp.4626-4643. ⟨10.1093/mnras/staa2285⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2020, 497 (4), pp.4626-4643. ⟨10.1093/mnras/staa2285⟩
Monthly notices of the Royal Astronomical Society, 2020, Vol.497(4), pp.4626-4643 [Peer Reviewed Journal]
Large multi-object spectroscopic surveys require automated algorithms to optimise their observing strategy. One of the most ambitious upcoming spectroscopic surveys is the 4MOST survey. The 4MOST survey facility is a fibre-fed spectroscopic instrumen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4a03636450d7662b484424a77bb3485
https://hal.science/hal-02908412
https://hal.science/hal-02908412
Autor:
Norbert Christlieb
Publikováno v:
Astronomische Nachrichten. 337:931-934
Autor:
Young Sun Lee, Jaehyon Rhee, Silvia Rossi, Ronald Wilhelm, Angeles Pérez-Villegas, Yuri Abuchaim, Hélio D. Perottoni, John E. Norris, Timothy C. Beers, Norbert Christlieb, Anna Frebel, Guilherme Limberg, Rafael M. Santucci, Michael S. Bessell, Sean G. Ryan, Vinicius M. Placco
Publikováno v:
The Astrophysical Journal. 907:10
We analyze the dynamical properties of $\sim$1500 very metal-poor (VMP; [Fe/H] $\lesssim -2.0$) halo stars, based primarily on medium-resolution spectroscopic data from the HK and Hamburg/ESO surveys. These data, collected over the past thirty years,