Paul Oswald Ahnert (original) (raw)
Paul Oswald Ahnert (* 22. November 1897 in Chemnitz; † 27. Februar 1989 in Sonneberg) war ein deutscher Astronom. Er ist unter Fach- und Amateurastronomen weithin bekannt als Herausgeber des astronomischen Jahrbuchs Kalender für Sternfreunde, kurz auch der Ahnert genannt. Sein hauptsächliches Forschungsgebiet waren die veränderlichen Sterne. Im Rahmen der Sonneberger Himmelsüberwachung – einem Langzeit-Forschungsprojekt zur Beobachtung und fotografischen Überwachung veränderlicher Sterne – war er an vielen Entdeckungen der Sternwarte Sonneberg beteiligt. Auch seine Beobachtungsreihen zur Sonnenfleckenstatistik sind von wissenschaftlichem Wert.
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| dbo:abstract | Paul Oswald Ahnert (* 22. November 1897 in Chemnitz; † 27. Februar 1989 in Sonneberg) war ein deutscher Astronom. Er ist unter Fach- und Amateurastronomen weithin bekannt als Herausgeber des astronomischen Jahrbuchs Kalender für Sternfreunde, kurz auch der Ahnert genannt. Sein hauptsächliches Forschungsgebiet waren die veränderlichen Sterne. Im Rahmen der Sonneberger Himmelsüberwachung – einem Langzeit-Forschungsprojekt zur Beobachtung und fotografischen Überwachung veränderlicher Sterne – war er an vielen Entdeckungen der Sternwarte Sonneberg beteiligt. Auch seine Beobachtungsreihen zur Sonnenfleckenstatistik sind von wissenschaftlichem Wert. (de) Paul Oswald Ahnert (Chemnitz, 22 de noviembre de 1897 - Sonneberg, 27 de febrero de 1989) fue un astrónomo alemán. Hizo fama en Alemania por publicar el Kalender für Sternenfreunde, un calendario de eventos astronómicos, desde 1948 hasta 1988. (es) Paul Oswald Ahnert (22 November 1897 – 27 February 1989) was a German astronomer. He first became famous in Germany for publishing the "Kalender für Sternfreunde" from 1948 until 1988, an annual calendar of astronomical events. The minor planet 3181 Ahnert is named in his honor. Ahnert was born in Chemnitz, Kingdom of Saxony. During the First World War he served as an ordinary German field-soldier. After the war he became a member of the Social Democratic Party of Germany (SPD) and was a committed opponent of the rise of militarism and right wing revanchism in Germany. Between 1919 and 1933 he worked as an elementary school teacher. In addition to this he was an ambitious amateur astronomer and in 1923 his first article was published in the scientific journal Astronomische Nachrichten (AN 219 (1923), 165–170). He reported about long period variables he had observed from his private observatory. When Adolf Hitler became Chancellor in 1933 the Nazi regime removed Paul Ahnert from his post. He was arrested and imprisoned for a few months in a concentration camp. Released from imprisonment he had to earn his living by doing occasional jobs. But in 1938 he had a lucky escape for his real profession. Cuno Hoffmeister invited him to the Sonneberg Observatory, where he worked during the Second World War as a computer (performing calculations) and assistant observer in a long term sky patrol and field survey program. After the war he met the astronomer Eva Rohlfs at Sonneberg Observatory and married her in 1952. His second marriage lasted only two years, because Eva died in 1954 in age of 41. During the 1950s Paul Ahnert advanced from an assistant observer to an astronomer with international reputation, who made important observations of variable stars and solar activity. He received an honorary doctor in astrophysics at the University of Jena in 1957. His name became well known in Germany, when he started to edit the "Kalender für Sternfreunde", an annual calendar of astronomical events. The first volume was printed in 1949. Paul Ahnert edited it for over 40 years until he retired from this task, aged 90, and passed the work to younger hands. Paul Ahnert died in age of 91 in Sonneberg (Free State Thuringia). (en) Paul Oswald Ahnert (22 novembre 1897 – 27 février 1989) est un astronome allemand. Il devient connu en Allemagne en publiant "Kalender für Sternenfreunde" de 1948 à 1988, un calendrier annuel d'événements astronomiques. À l'observatoire de Sonneberg, il rencontre l'astronome Eva Ahnert-Rohlfs qu'il épouse en 1952. L'astéroïde (3181) Ahnert est nommé en son honneur. (fr) Paul Oswald Ahnert (Chemnitz, 22 novembre 1897 – Sonneberg, 27 febbraio 1989) è stato un astronomo tedesco. Divenne famoso nel suo paese per la pubblicazione del "Kalender für Sternenfreunde", un calendario annuale di eventi astronomici. Durante la prima guerra mondiale fu soldato semplice nell'esercito tedesco. Dopo la guerra divenne membro del Partito Socialdemocratico di Germania, SPD, opponendosi alla nascita del militarismo e al sentimento di rivalsa sostenuto dalla destra tedesca. Tra il 1919 e il 1933 lavorò come maestro elementare. Inoltre fu un notevole astronomo amatoriale, e nel 1923 pubblicò il suo primo articolo nella rivista scientifica Astronomische Nachrichten, riguardante le variabili a lungo periodo che aveva studiato dal suo osservatorio privato. Quando Hitler divenne Cancelliere nel 1933, il regime nazista rimosse Ahnert dal suo incarico. Fu arrestato ed imprigionato per alcuni mesi in un campo di concentramento. Dopo il rilascio, dovette guadagnarsi da vivere con lavori occasionali. Nel 1938 ebbe un colpo di fortuna; infatti Cuno Hoffmeister lo invitò all'Osservatorio Sonneberg, dove lavorò durante la seconda guerra mondiale come assistente osservatore in una ricerca a lungo termine e a un programma di osservazioni di campo. Dopo la guerra incontrò l'astronoma Eva Rohlfs a Sonneberg, e la sposò nel 1952. Il matrimonio durò soltanto due anni, perché Eva morì nel 1954 a 41 anni. Durante gli anni cinquanta Ahnert divenne un astronomo di fama internazionale, e fece importanti osservazioni sulle stelle variabili e sull'attività solare. Ricevette un dottorato onorario in astrofisica all'Università di Jena nel 1957. Il suo nome divenne noto in Germania quando iniziò a pubblicare il calendario astronomico, il cui primo volume fu stampato nel 1949, e che continuò ad uscire per oltre 40 anni, fino a che Anhert non si ritirò, ormai novantenne, lasciando il lavoro in mani più giovani. Morì a 91 anni. L'asteroide 3181 Ahnert porta il suo nome. (it) Paul Oswald Ahnert (ur. 22 listopada 1897 w Chemnitz, zm. 27 lutego 1989 w Sonneberg) – niemiecki astronom. Zdobył w swoim kraju rozgłos dzięki publikowaniu w latach 1948 – 1988 rocznego kalendarza wydarzeń astronomicznych („Kalender für Sternenfreunde”). Walczył w I wojnie światowej, po dojściu Hitlera do władzy w 1933 roku został uwięziony w obozie koncentracyjnym. Po zwolnieniu utrzymywał się przy życiu z dorywczych prac, aż do 1938 roku, gdy inny astronom, Cuno Hoffmeister zaprosił go do pracy w obserwatorium w Sonneberg. W 1952 ożenił się z poznaną w Sonnebergu astronom . Na jego cześć nazwano asteroidę (3181) Ahnert. (pl) |
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| rdfs:comment | Paul Oswald Ahnert (* 22. November 1897 in Chemnitz; † 27. Februar 1989 in Sonneberg) war ein deutscher Astronom. Er ist unter Fach- und Amateurastronomen weithin bekannt als Herausgeber des astronomischen Jahrbuchs Kalender für Sternfreunde, kurz auch der Ahnert genannt. Sein hauptsächliches Forschungsgebiet waren die veränderlichen Sterne. Im Rahmen der Sonneberger Himmelsüberwachung – einem Langzeit-Forschungsprojekt zur Beobachtung und fotografischen Überwachung veränderlicher Sterne – war er an vielen Entdeckungen der Sternwarte Sonneberg beteiligt. Auch seine Beobachtungsreihen zur Sonnenfleckenstatistik sind von wissenschaftlichem Wert. (de) Paul Oswald Ahnert (Chemnitz, 22 de noviembre de 1897 - Sonneberg, 27 de febrero de 1989) fue un astrónomo alemán. Hizo fama en Alemania por publicar el Kalender für Sternenfreunde, un calendario de eventos astronómicos, desde 1948 hasta 1988. (es) Paul Oswald Ahnert (22 novembre 1897 – 27 février 1989) est un astronome allemand. Il devient connu en Allemagne en publiant "Kalender für Sternenfreunde" de 1948 à 1988, un calendrier annuel d'événements astronomiques. À l'observatoire de Sonneberg, il rencontre l'astronome Eva Ahnert-Rohlfs qu'il épouse en 1952. L'astéroïde (3181) Ahnert est nommé en son honneur. (fr) Paul Oswald Ahnert (22 November 1897 – 27 February 1989) was a German astronomer. He first became famous in Germany for publishing the "Kalender für Sternfreunde" from 1948 until 1988, an annual calendar of astronomical events. The minor planet 3181 Ahnert is named in his honor. (en) Paul Oswald Ahnert (Chemnitz, 22 novembre 1897 – Sonneberg, 27 febbraio 1989) è stato un astronomo tedesco. Divenne famoso nel suo paese per la pubblicazione del "Kalender für Sternenfreunde", un calendario annuale di eventi astronomici. Dopo la guerra incontrò l'astronoma Eva Rohlfs a Sonneberg, e la sposò nel 1952. Il matrimonio durò soltanto due anni, perché Eva morì nel 1954 a 41 anni. Durante gli anni cinquanta Ahnert divenne un astronomo di fama internazionale, e fece importanti osservazioni sulle stelle variabili e sull'attività solare. L'asteroide 3181 Ahnert porta il suo nome. (it) Paul Oswald Ahnert (ur. 22 listopada 1897 w Chemnitz, zm. 27 lutego 1989 w Sonneberg) – niemiecki astronom. Zdobył w swoim kraju rozgłos dzięki publikowaniu w latach 1948 – 1988 rocznego kalendarza wydarzeń astronomicznych („Kalender für Sternenfreunde”). Walczył w I wojnie światowej, po dojściu Hitlera do władzy w 1933 roku został uwięziony w obozie koncentracyjnym. Po zwolnieniu utrzymywał się przy życiu z dorywczych prac, aż do 1938 roku, gdy inny astronom, Cuno Hoffmeister zaprosił go do pracy w obserwatorium w Sonneberg. W 1952 ożenił się z poznaną w Sonnebergu astronom . (pl) |
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