Carl Wilhelm Wirtz (24 August 1876 in Krefeld – 18 February 1939 in Hamburg) was an astronomer who studied astronomy at Bonn University (1895-1898) obtaining his doctorate there [1] after which he spent his time between the Kiel Observatory in Germany and the Observatory of Strasbourg, France.

Carl Wirtz, the astronomer, measured magnitudes and positions of nebulae, and made many observations of Solar System objects. He was among the first to study the redshift‐magnitude and redshift‐diameter diagrams of nebulae (galaxies), which is why Allan Sandage, the pupil and successor of Edwin Hubble , called Wirtz “the European Hubble ...

卡尔·威廉·威尔茨（Carl Wilhelm Wirtz） （1876年8月24日在克雷菲尔德- 1939年2月18日在汉堡）是一位天文学家，他在德国的基尔天文台（ 526 ）和法国斯特拉斯堡的天文台之间度过了时光。

A brief sketch of Wirtz's contributions in cosmology and extragalactic research is given: the velocity - distance relation, the galaxy luminosity function, galaxy pho- tometry, segregation in clusters, and intergalactic extinction.

2024年11月14日 · Abstract: In the year 1924, a paper by Carl Wirtz appeared in Astronomische Nachrichten, entitled 'De Sitter's cosmology and the radial motion of spiral galaxies'. This paper and its author remained largely unnoticed by the community, but it seems to be the first cosmological interpretation of the redshift of galaxies as a time dilation effect ...

Carl Wilhelm Wirtz was an astronomer who spent his time between Germany and the Observatory of Strasbourg. As already Vesto Slipher in 1912, Wirtz in 1918 observed a systematic redshift of nebulae, which was difficult to interpret in terms of a cosmological model in which the Universe is filled more or less uniformly with stars and nebulae.

Carl Wilhelm Wirtz (24 August 1876 in Krefeld - 18 February 1939 in Hamburg) was an astronomer who worked at observatories in Germany and at the Strasbourg Observatory. He systematically observed the redshift of nebulae, which in his time was difficult to interpret in terms of the cosmology of the time, according to which the universe would ...

Carl Wilhelm Wirtz (* 24. August 1876 in Krefeld; † 18. Februar 1939 in Hamburg) war ein deutscher Astronom. Er ist vor allem für seine statistischen Untersuchungen über Nebel (= Spiralnebel, Galaxien) in Erinnerung. Wirtz nahm nach seinem Studium eine Stelle als Assistent an der Kuffner-Sternwarte in Wien an.

2024年9月27日 · Carl Wilhelm Wirtz (24 August 1876 in Krefeld 18 February 1939 in Hamburg) was an astronomer who spent his time between Germany and the Observatory of Strasbourg. As already Vesto Slipher in 1912, Wirtz in 1918 observed a systematic redshift of nebulae, which was difficult to interpret in terms of

The compilation of this early data base became a link to modern observational cosmology, largely due to Carl Wirtz's early work on nebular proper motions, followed by his introduction of correlations between radial velocities and nebular distance indicators in his most productive period in the nineteen-twenties.