C
C. J. Walcher
Researcher at Leibniz Institute for Astrophysics Potsdam
Publications - 78
Citations - 5944
C. J. Walcher is an academic researcher from Leibniz Institute for Astrophysics Potsdam. The author has contributed to research in topics: Galaxy & Star formation. The author has an hindex of 37, co-authored 74 publications receiving 5287 citations.
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Testing gravity on large scales. The skewness of the galaxy distribution at z~1
Christian Marinoni,Luigi Guzzo,A. Cappi,O. Le Fèvre,A. Mazure,B. Meneux,Agnieszka Pollo,A. Iovino,H. J. McCracken,Roberto Scaramella,S. de la Torre,J. M. Virey,D. Bottini,Bianca Garilli,V. Le Brun,D. Maccagni,J. P. Picat,M. Scodeggio,Laurence Tresse,Giampaolo Vettolani,A. Zanichelli,C. Adami,Stéphane Arnouts,S. Bardelli,M. Bolzonella,M. Bolzonella,Stephane Charlot,Stephane Charlot,Paolo Ciliegi,Thierry Contini,Sylvie Foucaud,P. Franzetti,I. Gavignaud,I. Gavignaud,O. Ilbert,F. Lamareille,F. Lamareille,Bruno Marano,G. Mathez,R. Merighi,Stéphane Paltani,R. Pello,Lucia Pozzetti,M. Radovich,Daniela Vergani,G. Zamorani,E. Zucca,Ummi Abbas,M. Bondi,Angela Bongiorno,Angela Bongiorno,Jarle Brinchmann,Jarle Brinchmann,A. Buzzi,Olga Cucciati,L. de Ravel,L. Gregorini,Yannick Mellier,Paola Merluzzi,Enrique Pérez-Montero,P. Taxil,S. Temporin,C. J. Walcher +62 more
TL;DR: In this article, the authors study the evolution of the low-order moments of the galaxy overdensity distribution over the redshift interval 0.7
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ISM metallicity variations across spiral arms in disk galaxies. The impact of local enrichment and gas migration in the presence of a radial metallicity gradient
Sergey Khoperskov,E. E. Sivkova,Anna S. Saburova,Eugene Vasiliev,Boris Shustov,Ivan Minchev,C. J. Walcher +6 more
TL;DR: In this article , a set of chemodynamical simulations of the Milky Way-like spiral galaxies was used to quantify the impact of gas radial motions in the presence of a pre-existing radial metallicity gradient and the local ISM enrichment on both global and local variations of the mean ISM metalicity in the vicinity of the spiral arms.
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Insights on the stellar mass-metallicity relation from the CALIFA survey
R. M. González Delgado,R. Cid Fernandes,R. García-Benito,Enrique Pérez,A. L. de Amorim,C. Cortijo-Ferrero,E. A. D. Lacerda,R. López Fernández,Sebastián F. Sánchez,Sebastián F. Sánchez,N. Vale Asari,João Alves,Joss Bland-Hawthorn,Lluís Galbany,Anna Gallazzi,Anna Gallazzi,B. Husemann,B. Husemann,S. Bekeraite,Bruno Jungwiert,Angel R. Lopez-Sanchez,A. de Lorenzo-Cáceres,R. A. Marino,D. Mast,Mercedes Mollá,A. del Olmo,Patricia Sanchez-Blazquez,G. van de Ven,José M. Vílchez,C. J. Walcher,Lutz Wisotzki,Bodo L. Ziegler +31 more
TL;DR: In this paper, the authors used spatially and temporally resolved maps of stellar population properties of 300 galaxies from the CALIFA integral field survey to investigate how the stellar metallicity (Z*) relates to the total stellar mass (M*) and the local mass surface density ($\mu$*) in both spheroidal and disk dominated galaxies.
Journal ArticleDOI
The SAMI Galaxy Survey: The Link Between [$\alpha$/Fe] and Kinematic Morphology
Peter J. Watson,Roger L. Davies,Jan M. M. van de Sande,Sarah Brough,Scott M. Croom,Francesco D'Eugenio,Karl Glazebrook,Brent Groves,'A. R. L'opez-S'anchez,Nicholas Scott,Sam P. Vaughan,C. J. Walcher,Joss Bland-Hawthorn,Julia J. Bryant,Michael Goodwin,Jon Lawrence,Nuria P. F. Lorente,Matt S. Owers,Samuel N. Richards +18 more
TL;DR: In this paper , the authors explore a sample of 1492 galaxies with measurements of the mean stellar population properties and the spin parameter proxy, 𝜆 𝑅 e , drawn from the SAMI Galaxy Survey.
Testing gravity on large scales. The skewness of the galaxy distribution at z~1
Christian Marinoni,Luigi Guzzo,A. Cappi,O. Le Fèvre,A. Mazure,B. Meneux,Agnieszka Pollo,A. Iovino,H. J. McCracken,Roberto Scaramella,S. de la Torre,J. M. Virey,D. Bottini,Bianca Garilli,V. Le Brun,D. Maccagni,J. P. Picat,M. Scodeggio,Laurence Tresse,Giampaolo Vettolani,A. Zanichelli,C. Adami,Stéphane Arnouts,S. Bardelli,M. Bolzonella,M. Bolzonella,Stephane Charlot,Stephane Charlot,Paolo Ciliegi,Thierry Contini,Sylvie Foucaud,P. Franzetti,I. Gavignaud,I. Gavignaud,O. Ilbert,F. Lamareille,F. Lamareille,Bruno Marano,G. Mathez,R. Merighi,Stéphane Paltani,R. Pello,Lucia Pozzetti,M. Radovich,Daniela Vergani,G. Zamorani,E. Zucca,Ummi Abbas,M. Bondi,Angela Bongiorno,Angela Bongiorno,Jarle Brinchmann,Jarle Brinchmann,A. Buzzi,Olga Cucciati,L. de Ravel,L. Gregorini,Yannick Mellier,Paola Merluzzi,Enrique Pérez-Montero,P. Taxil,S. Temporin,C. J. Walcher +62 more
TL;DR: In this article, the authors studied the evolution of the low-order moments of the galaxy overdensity distribution over the redshift interval 0.7 and showed that the distribution of the overdensity is linear in the number of stars in the galaxy.