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pro vyhledávání: '"Anna Wittje"'
Autor:
Qinxun Li, Martin Kilbinger, Wentao Luo, Kai Wang, Huiyuan Wang, Anna Wittje, Hendrik Hildebrandt, Ludovic Van Waerbeke, Michael J. Hudson, Samuel Farrens, Tobías I. Liaudat, Huiling Liu, Ziwen Zhang, Qingqing Wang, Elisa Russier, Axel Guinot, Lucie Baumont, Fabian Hervas Peters, Thomas de Boer, Jiaqi Wang, Alan McConnachie, Jean-Charles Cuillandre, Sébastien Fabbro
Publikováno v:
The Astrophysical Journal Letters, Vol 969, Iss 2, p L25 (2024)
This Letter presents, for the first time, direct constraints on the black hole–halo mass relation using weak gravitational-lensing measurements. We construct type I and type II active galactic nucleus (AGN) samples from the Sloan Digital Sky Survey
Externí odkaz:
https://doaj.org/article/03b90714ef5e4e34a70a24fb0160c605
Autor:
Pablo Renard, Malgorzata Siudek, Martin B Eriksen, Laura Cabayol, Zheng Cai, Jorge Carretero, Ricard Casas, Francisco J Castander, Enrique Fernandez, Juan García-Bellido, Enrique Gaztanaga, Henk Hoekstra, Benjamin Joachimi, Ramon Miquel, David Navarro-Girones, Cristóbal Padilla, Eusebio Sanchez, Santiago Serrano, Pau Tallada-Crespí, Juan De Vicente, Anna Wittje, Angus H Wright
Publikováno v:
Astrophysics of Galaxies
Monthly Notices of the Royal Astronomical Society, 515(1), 146-166
Monthly Notices of the Royal Astronomical Society, 515(1), 146-166
The D4000 spectral break index is one of the most important features in the visible spectrum, as it is a proxy for stellar ages and is also used in galaxy classification. However, its direct measurement has always been reserved to spectroscopy. Here,