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45-407: The municipality of Lagkadas was formed at the 2011 local government reform by the merger of the following 7 former municipalities, that became municipal units: The municipality of Langadas has an area of 1,222.65 km, the municipal unit Lagkadas has an area of 197.411 km, and the community Lagkadas has an area of 31.761 km. Lagkadas is well known for the famous thermal spa Lagkadas has

90-502: A Danish frigate anchored at the port of Piraeus. Vouris was responsible for purchasing and selecting the correct instruments for the newly founded Observatory. He chose a 7.5-inch dialyte refracting telescope (19-cm aperture , 190cm focal length, f/10) made by Simon Plössl of Vienna, Austria. The second telescope was made by Christoph Starke of the Imperial Polytechnical University, Vienna. The device

135-607: A continental climate with significant temperature variations between winter and summer. On the 3rd of August 2021 the official meteorological station of the National Observatory of Athens in Lagkadas registered 47.1°C. Many inhabitants are descendants of Greek refugees from the village of Kosti in Bulgaria. The historical evolution of the population of Lagadas town is as follows: North of Lagkadas passes

180-757: A decade at the institution, he was promoted to assistant astronomer in 1927. One year later in 1928 with the recommendation of Professor Eginitis Plakidis continued his studies for two years in Greenwich, Cambridge, Paris, Strasbourg, and Heidelberg. While in Cambridge he collaborated with professor Sir Arthur Eddington on a paper in 1929 entitled Irregularities of the Period of Long-Period Variable Stars . He became well known for his work on long-period variable stars and frequently collaborated with professor Sir Arthur Eddington throughout his life. Plakidis became

225-599: A donation for scientific development in Greece . Vouris became the first director of the Athens Observatory and was also involved in the construction of its first building. He chose the instruments for the new observatory. The first building, known as Sinas building , was based on a project presented by Eduard Schaubert and designed by the Danish architect Theophil Hansen , it was the first building erected by

270-422: A well-known astronomer and continued his work in the field of observational astrophysics. He published many papers in famous astronomical journals. In 1931, he was proclaimed Doctor of Mathematics and was nominated regular astronomer of NOA. Around this period, Jean Focas became an assistant at the observatory after Plakidis' recommendation. In 1935, after the death of Eginitis, Plakidis was elected Professor at

315-664: Is a traditional neighbourhood in the old city of Athens , Greece , northwest of the Acropolis , and surrounded by the archaeological sites of the Agora , Keramikos and Pnyx . The name refers to the Temple of Hephaestus , which was mistakenly known as Thiseion , in reference to Theseus , the mythical king of Athens. The area is famous for its many pedestrian streets, Acropolis views, archaeological sites, churches, synagogues, cafés, open terraces and cultural meeting points. Thiseio

360-664: Is located in Penteli , Kryoneri Astronomical Station is in the Northern Peloponnese region, on the top of Mount Kyllini and finally, the fourth and largest research infrastructure is the Chelmos Observatory located on top of mount Chelmos , near Kalavryta , southern Greece . Greek-Austrian astronomer Georgios Konstantinos Vouris studied astronomy at the Vienna Observatory under

405-472: Is served by the nearby Thiseio metro station is connected to the other neighbourhoods of the old city of Athens through a network of pedestrian streets passing across the major archaeological sites. Here is a list of residential streets in the Thiseio area: Thiseio is surrounded by hills, heights and historical sites which are within a walking distance. The Ancient Agora of Athens , Stoa of Attalos ,

450-704: Is the oldest research foundation in Greece. The Observatory was the first scientific research institute built after Greece became independent in 1829, and one of the oldest research institutes in Southern Europe . It was built around the same period as the United States Naval Observatory . World-renowned Greek-Austrian astronomer Georgios Konstantinos Vouris lobbied to create the National Observatory of Athens in

495-504: The Acropolis . There are numerous small and friendly boutique shops, restaurants, cafés where people readily are welcomed and invited to socialize at leisure; all set in a quiet enclave and frequented by both tourists and locals alike. As one of the many entertainment centers of the city of Athens, Thiseio is rich in history and culture. It has museums, galleries, the two synagogues of Athens, exhibition centers and open-air theatres and cinemas. The National Observatory of Athens handles

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540-603: The Areopagus height are spectacular, especially by night. The historical churches of Agia Marina , the church of Agii Assomati, the church of Agios Athanasios Kourkouris and many others are situated in Thiseio. Also, situated in Thiseio are the two synagogues of modern Athens, Etz Chaim or Romaniote Synagogue and the Sepharadi Beth Shalom , the Holocaust Memorial of Athens as well as

585-804: The Julian calendar with the Gregorian calendar making it the country's new standard. He founded the Academy of Athens and organized the University of Thessaloniki . Stavros Plakidis attended the School of Physics and Mathematics at the University of Athens and graduated in 1915 one of his professors included Demetrios Eginitis. Plakidis became an assistant at the Observatory in 1915. After over

630-919: The Nazis . After the war, the Astronomical Observatory was divided into three departments: the Astronomical, the Meteorological, and the Geodynamical. The large 25 in. (63 cm) Newall refractor , Thomas Cooke , made for Robert Stirling Newall in 1869, was donated in 1890, by his son Hugh Newall , to the University Observatory of Cambridge enabling Hugh Newall to make observations at the university. In 1955, because of Professor Plakidis's long collaboration on long-period variable stars with Sir Arthur Eddington

675-520: The Observatory of Paris . These results were presented in his work Beiträge zur physikalischen Geographie von Griechenland (1864) . Schmidt showed a significant interest in the field of seismology . With the help of volunteers, he recorded more than 3,000 earthquakes and published his work entitled Studien über Erdbeben (1875). He observed the Santorini volcano eruption in 1866 and published

720-498: The Publications of the Observatory of Athens . During the 25 years of his work at the Athens Observatory, he performed more than 70,000 observations of variable stars and discovered several periodic variables and two Novae stars. Most of the results were published in the journal Astronomische Nachrichten . For many years, J. Schmidt studied the planets Mars and Jupiter and drew the changes on their surfaces. He observed

765-473: The Temple of Hephaestus and Kerameikos Archaeological Museum can be entered from Thiseio; all others: the National Observatory of Athens , Acropolis of Athens , Philopappos Monument , Mouseion Hill , Pnyx , which is considered the birthplace of Democracy and the Mount Lycabettus can be easily reached or viewed from Thiseio. The panoramic views of them and their natural surroundings from

810-598: The University of Athens and at the same time was nominated Supervisor of the Astronomical Department of NOA. In two years the NOA changed two Directors, firstly professor Nikolaos Kritikos was nominated, then Elias Mariolopoulos . In 1937, the Director of NOA Georgios Chors was nominated. Stavros Plakidis made many efforts to move the observations far from the city center. In 1936, he begin lobbying to move

855-949: The 11th of September 1890; while it started its operation in 1858 at a different location in Thiseio . The official site of the National Observatory of Athens (in Greek ) The official site of the National Observatory of Athens (in English ) The Central Premises in Google Maps The Penteli's Astronomical Station in Google Maps A short history of the National Observatory of Athens and its instruments (in Greek ) 37°58′24.2″N 23°43′5.6″E  /  37.973389°N 23.718222°E  / 37.973389; 23.718222 Thiseio Thiseio or Thissio ( Greek : Θησείο , pronounced [θiˈsio] )

900-597: The Athens Meridian Circle and his research was used by American astronomer James Melville Gilliss . In 1855, Vouris became ill and moved back to retire in Vienna, where he died on January 2, 1860. Prof. Ioannis Papadakis , full Professor of Mathematics, since August 17, 1854, at the University of Athens was chosen as an interim Director. In December 1858 the nomination for the new permanent director took place, on December 4 Johann Friedrich Julius Schmidt

945-574: The Athens observatory, later in life, he acquired a Ph.D. in the field of astronomy in Paris, and two craters are named after him for his extraordinary contribution to the field, one of the craters is the Focas (lunar crater) . Currently, the National Observatory of Athens operates in four distinct locations: the National Observatory of Athens main branch operates in Thiseio , Penteli Astronomical Station

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990-547: The Egnatia Odos (junction 24) connecting it with Thessaloniki. Lagkadas is connected to Thessaloniki by line 83 of OASTH (public buses). This Central Macedonia location article is a stub . You can help Misplaced Pages by expanding it . National Observatory of Athens The National Observatory of Athens ( NOA ; Greek : Εθνικό Αστεροσκοπείο Αθηνών ) is a research institute in Athens , Greece . Founded in 1842, it

1035-479: The Meteorological and the Seismological Institutes. Eginitis worked diligently to find funding for the new institute. He received credit from the University and restored the observatory building and updated the equipment. Because of the economic situation in Greece, government aid was very limited but Eginitis organized a national committee that collected considerable funding and donations from

1080-499: The ancient Synagogue in the Agora of Athens inside the archaeological site. Beautifully restored neoclassical homes, small streets and many architectural landmarks and archaeological sites make Thiseio one of the most cultural, picturesque, distinguished and peaceful neighbourhoods of Athens and one of the most beautiful viewpoints of Acropolis. Due to Thiseio’s position, adjacently to other traditional and historical neighbourhoods and

1125-474: The astronomical station to Penteli and in 1937 it began to function but because of World War II , the equipment including three refractors, Bardou 6 in., Secretan 4.4 in., Zeiss 3 in., the Watts theodolite, the photo-visual refractor, Zeiss 4.4 in. with solar and lunar cameras, Herschel and Colzi prisms, were moved to the laboratory of astronomy belonging to the university or to the national observatory hidden from

1170-517: The bright comet of 1860 and two years later discovered a periodic comet. The clear sky allowed him to make thousands of observations of meteors. He also had the opportunity to observe a number of solar eclipses of the Moon. The Topographical Chart of the Moon (Chaptre der Gebirge des Mondes) published in Berlin , is his main work. In an area of two meters diameter, consisting of 25 parts and representing

1215-401: The field of astronomy and created a catalog for the complete determination of 1000 stars peculiar to Greece and the position of the Athens Observatory while also determining the geographic coordinates of the Observatory, which formed the basis for the mapping of Greece. Vouris did significant research on the movement of Sirius , Neptune , and Mars . He made specific observations of Mars with

1260-451: The field starting from Georgios Konstantinos Vouris 's catalog for the complete determination of 1000 stars observed from Greece relative to the position of the Athens observatory. The second director Ioannis Papadakis used the facility to observe the Moons of Jupiter and Johann Friedrich Julius Schmidt German-born Greek astronomer conducted countless observations and created a Moon map of

1305-412: The following three institutes: The National Observatory of Athens operates in four locations: The National Observatory of Athens handles the most antique meteorological station in Greece and one of the oldest in Southern Europe . The station is located at the center of Athens , in the Thiseio neighbourhood (Hill of Nymphs). The A class Meteorological station has been located at the same position from

1350-564: The fund from the Sinas family that paid Schmidt's salary was no longer paying the Observatory directory. Regrettably, Kokkidis volunteered his time for no payment but had very limited possibilities for administrative and scientific activity. The astronomer was able to write articles in the field of astronomy and expand the existing weather stations adding ones in Corfu , Zakynthos , and Larissa . He continued regular meridian circle observations for

1395-576: The instrument was donated to the Penteli National Observatory . In 1999 the names of the four institutes of NOA were updated as follows: In 2003 the Institute of Astroparticle Physics "NESTOR" became the fifth institute of NOA. After a major reform in the structure of all research institutes in Greece in 2012, two of the institutes of NOA were merged and one (NESTOR) moved under another administrative unit. Currently NOA has

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1440-401: The local Greek community. The Thiseio site of the Observatory was expanded, a neighboring area was purchased and three new buildings were erected with the newly raised funding. State-of-the-art new instruments were ordered and installed at NOA, a 16 cm meridian circle and a 40 cm refractor. Another telescope, a 20 cm reflector was donated by K. Ionidis. Eginitis reorganized

1485-416: The lunar surface from the Athens observatory. After Schmidt, Demetrios Kokkidis briefly directed the observatory and expanded the existing weather stations adding Corfu, Zakynthos, and Larissa. By the early 1900s, Astronomer Demetrios Eginitis observed the rare phenomenon known as Halley's Comet from the Athens observatory and wrote about it in his article entitled Sur la Comète de Halley . By

1530-431: The major archaeological sites, pedestrian-only streets join them. Therefore, Athenians go for a leisurely walk around Thissio and enjoy cultural events and promenades along narrow serpentine-like paths which twist their way through historical sites. Apostolou Pavlou is a pedestrianized street which meets Dionysiou Areopagitou Street to form the main pedestrian zone around the archaeological site of Agora from Thiseio to

1575-492: The meteorological network, adding about a hundred new stations and creating a seismological service. He also organized the addition of a catalog entitled Annales de l'Observatoire National d’Athènes . Eginitis played a significant role in the political and academic life in Greece. He was Minister of Education in 1917 and in 1926. Eginitis introduced the Eastern European Time Zone in Greece and replaced

1620-399: The middle of the 20th century Stavros Plakidis continued the legacy of Greek astronomy at the observatory writing countless research papers and continuing his lifelong research on variable stars. Eginitis and Plakidis allowed a young twenty-two-year-old astronomer named Jean Focas to assist them at the observatory. The young astronomer had no education in the field. After many years at

1665-587: The newly founded state. He persuaded wealthy Greek-Austrian banker Georgios Sinas to pay for the new massive observatory. The Austrian-born Greek King found out the news and awarded Georgios Sinas's son the Order of the Redeemer . The King also selected the architects for the building under Georgios Konstantinos Vouris 's supervision. He chose Eduard Schaubert and Theophil Hansen. The Athens observatory since its inception aided astronomers to conduct research in

1710-504: The purpose of recording time and observed solar spots . The Greek Greek Parliament passed a special law on June 19, 1890, making the Athens Observatory a government research facility. The name was changed to National Observatory of Athens abbreviated NOA. Because of the special law, Demetrios Eginitis was appointed Director of the NOA. In addition to the Astronomical Institute, two others Institutes were created,

1755-467: The study and three other studies on the volcanos ( Etna , Vesuvius , Stromboli ) in 1874. Julius Schmidt traveled to the ancient city of Troy and performed geographical and archeological studies. Demetrios Kokkidis undertook the Direction of the Observatory of Athens in 1884. Because of the financial situation of the Observatory (the funds of the Sinas family donation were already exhausted) and

1800-672: The supervision of Joseph Johann von Littrow . Vouris eventually moved to Greece. He became a professor at the newly founded University of Athens . He wanted to build an observatory in Greece. He lobbied Austrian banker Baron Georgios Sinas around 1840 with the help of the Austrian ambassador in Athens Prokesch-Osten . Georgios Sinas was the Greek ambassador in Vienna . Georgios Sinas expressed his intention to make

1845-449: The visible surface of the Moon , there are about 30,000 craters drawn as observed with the 7.5 inch Plössl telescope. He conducted a significant study of the crater Linne showing apparent morphological changes. Julius Schmidt reorganized the meteorological service of the Observatory of Athens. He performed meteorological observations in many places in Greece and regularly sent data to

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1890-413: The world-renowned architect. The cross-like neoclassic building has its sides oriented toward the four directions of the horizon. There is a small dome for a telescope in the center of the construction. The building was completed in 1846. Two years after the United States Naval Observatory was completed. The Observatory of Athens foundation ceremony was on June 26, 1842, the day of a Solar Eclipse, it

1935-603: Was a meridional telescope 3.7" large (94mm, f/15, diameter 1m). Vouris also purchased a timer and two pendulums along with five small telescopes and a complete line of meteorological equipment. They were the most advanced scientific instruments of the day. The observatory was fully operational and Georgios was the first director. He conducted scientific work in the field of astrophysics, astronomy, and geodesy publishing articles periodically in Astronomische Nachrichten . He became internationally renowned in

1980-592: Was a magnificent official event, and the King of Greece , members of the Government, and the Greek Church were all present. A large crowd of people filled up the vicinity of the location selected for the Observatory, a location on the hill of Nymphs at Thiseio , facing the Acropolis . Following the panegyric speech by professor Georgios K. Vouris , the foundation stone was set under musical sounds and cannonade by

2025-555: Was nominated, and on December 16 Julius Schmidt became the new director of Athens Observatory. Utilizing the Sina's family donation, Johann Friedrich Julius Schmidt repaired and maintained the instruments. He started to observe the Sun, Moon, planets, comets and variable stars. He enriched the Observatory's library with many scientific books and journals. Some of them were donated by other European observatories . Schmidt also started editing

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