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Stockholm Observatory
The Stockholm Observatory ( sv, Stockholms observatorium, 050) is an astronomical observatory and institution in Stockholm, Sweden, founded in the 18th century and today part of Stockholm University. In 1931, the new Stockholm Observatory ( sv, Saltsjöbaden Observatory, 052), nicknamed "Saltis", was inaugurated on the Karlsbaderberget at Saltsjöbaden, near Stockholm, and operated until 2001. There are records of daily weather observations from the observatory going back to 1754. The Stockholm Observatory site at Saltsjöbaden was established with a 40-inch (102 cm) reflecting telescope from Grubb, built in 1931. Also of historical interest is a double telescope by Grubb, the 24/20-inch refractor, with has one 24-inch aperture another 20-inch on the same mount established in 1931. The old observatory is in modern times a museum (Observatory Museum) and because it is on a hill is known for a good view of city of Stockholm from the dome, and it also has some sculptures an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IAU Code
This is a list of observatory codes (IAU codes or MPC codes) published by the Minor Planet Center. For a detailed description, ''see observations of small Solar System bodies Observations of minor planets as well as comets and natural satellites of the Solar System are made by astronomical observatories all over the world and reported to the Minor Planet Center (MPC), a service of the International Astronomical Unio ...''. List References * {{DEFAULTSORT:Observatory codes * Astronomy-related lists Technology-related lists ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Largest Optical Telescopes In The 19th Century
List of largest optical telescopes in the 19th century, are listings of what were, for the time period of the 19th century large optical telescopes. See List of largest optical telescopes in the 20th century for the 1900s. The list includes various refractor and reflector that were active some time between about 1799 to 1901. The main reflecting technology early on, speculum metal reflected some 2/3 of light, and also had higher maintenance due to tarnishing. Another technology were the 2-element refractors, which were extensively used in 19th century observatories despite their small apertures compared to the largest metal mirror, and later glass telescopes. The technology for silver-coated glass mirrors was developed in the mid-19th century, but was slow to catch on. A major technology advance of this time was the development of astrophotography, and some telescopes were tailored to this application. Also, a wide variety of scientific instruments were developed, such as for spec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Largest Optical Telescopes In The 20th Century
The following is a list of the largest optical telescopes in the 20th century, paying special attention to the diameter of the mirror or lens of the telescope's objective, or aperture. Aperture rank currently goes approximately by the usable physical aperture size and not by aperture synthesis, although interferometers attained some of the highest angular resolutions at visible and infrared wavelengths compared to traditional telescopes. Diverging methods of construction and use for reflecting telescopes in that area make comparing synthesized aperture irregular. For instance, Keck I or II alone has less angular resolution than the Keck Interferometer (Keck I & II together), however, the Keck Interferometer is used for a much narrower range of type of observations. Ultimately, a valid comparison between two telescopes must take into consideration more specifications, when a general measurement becomes obtuse. Aperture of the primary mirror alone can be poor measure of a reflective ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aina Elvius
Aina Margareta Elvius (1917-2019) was a Swedish astronomer. She was professor of astronomy at Stockholm University and director of the Stockholm Observatory. She was known for her work on polarized light from galaxies and on the nuclei of active galaxies. She was the second Swedish woman to be elected to the Royal Swedish Academy of Sciences. Biography Aina Elvius was born on 26 June 1917. In 1945, she finished her master's degree in mathematics, physics, chemistry and astronomy. In 1948, she began her polarimetric studies of galaxies using Öhman's Polarography and in 1951 she published her first polarization study of the spiral galaxy M63. She was later invited by John Scotville Hall to work at the Lowell Observatory, where she made a series of observations of the polarization of light from galaxies and from nebulae in the Milky Way. She defended her doctoral thesis at Stockholm University College in 1956. In the same year, she became an associate professor of astronomy at S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Observatory Codes
This is a list of observatory codes (IAU codes or MPC codes) published by the Minor Planet Center. For a detailed description, ''see observations of small Solar System bodies Observations of minor planets as well as comets and natural satellites of the Solar System are made by astronomical observatories all over the world and reported to the Minor Planet Center (MPC), a service of the International Astronomical Unio ...''. List References * {{DEFAULTSORT:Observatory codes * Astronomy-related lists Technology-related lists ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Architecture Of Stockholm
The architecture of Stockholm has a history that dates back to the 13th century, possibly even earlier. According to some sources, there might have been a simple defense structure, perhaps a small castle, on the northeast part of the island Stadsholmen. Buildings in Stockholm are characterized by their unique location between Lake Mälaren and the Baltic Sea. The Hanseatic League during the great period of industrialization saw a strong desire to modernize the city. The design of most major buildings shows foreign influences. During the 17th century and 18th century, foreign architects were recruited to build the city and in recent periods Swedish architects often drew inspiration from their tours to Europe, and in the 20th century particularly, the United States. Foreign trends tended to arrive later in Sweden and were adapted to Swedish tradition and taste. Neoclassicism became the Swedish Gustavian style, and the classicism of the 1920s, including Art Deco, became a separat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mira
Mira (), designation Omicron Ceti (ο Ceti, abbreviated Omicron Cet, ο Cet), is a red-giant star estimated to be 200–400 light-years from the Sun in the constellation Cetus. ο Ceti is a binary stellar system, consisting of a variable red giant (Mira A) along with a white dwarf companion (Mira B). Mira A is a pulsating variable star and was the first non-supernova variable star discovered, with the possible exception of Algol. It is the prototype of the Mira variables. Nomenclature ο Ceti ( Latinised to ''Omicron Ceti'') is the star's Bayer designation. It was named Mira (Latin for 'wonderful' or 'astonishing') by Johannes Hevelius in his ''Historiola Mirae Stellae'' (1662). In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) to catalog and standardize proper names for stars. The WGSN's first bulletin of July 2016 included a table of the first two batches of names approved by the WGSN, which included Mira for this star. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ResearchGate
ResearchGate is a European commercial social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators. According to a 2014 study by ''Nature'' and a 2016 article in ''Times Higher Education'', it is the largest academic social network in terms of active users, although other services have more registered users, and a 2015–2016 survey suggests that almost as many academics have Google Scholar profiles. While reading articles does not require registration, people who wish to become site members need to have an email address at a recognized institution or to be manually confirmed as a published researcher in order to sign up for an account. Members of the site each have a user profile and can upload research output including papers, data, chapters, negative results, patents, research proposals, methods, presentations, and software source code. Users may also follow the activities of other users and engage in discussions with th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2013 09 21 Saltsjöbaden Stockholms Observatorium
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