Valongo Observatory
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The Valongo Observatory (Observatório do Valongo) is the astronomical observatory of the Universidade Federal do Rio de Janeiro. It was established in 1881 in the downtown of Rio de Janeiro. It houses various astronomical and scientific instruments including three telescopes.
History
The Valongo astronomical observatory was established in Rio de Janeiro in 1881 originally for training the students of the Rio de Janeiro Polytechnic School.[1] In the 20th century, it was part of various universities, before it became part of the Federal University of Rio de Janeiro in the 1960s.[1][2] The observatory initially housed scientific instrument used to train university students, and later engaged in scientific work.[1]
Instruments
The observatory holds various instruments and telescopes used for positional astronomy such as the measurement of astronomical objects, and tracking transient astronomical events, and astrophotography. Most of the observatory’s instruments date back to the late 19th and early 20th centuries. Among the major equipment is an equatorial refracting telescope, manufactured by Cooke & Sons, and a refractor made by Brazilian instrument maker José Hermida Pazos in 1880. It also houses a Coudé reflector telescope made by Zeiss.[1][3][4]
Apart from the telescopes, it houses other instruments such as sextants, theodolites, prisms, diffraction gratings, spectroscopy equipment and photographic equipment. It also maintains timekeeping instruments such as chronographs, pendulum clocks, and marine chronometers for determining sidereal. Various instruments were often used in conjunction, such as telescopes paired with chronographs and micrometers for scientific use.[1][3]
See also
References
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- ^ a b c d e Page Module:Citation/CS1/styles.css has no content."The historical instruments from Valongo Observatory, Federal University of Rio de Janeiro". Humboldt University. Retrieved 1 June 2025.
- ^ Page Module:Citation/CS1/styles.css has no content."Valongo observatory". Nature. Retrieved 1 June 2025.
- ^ a b Page Module:Citation/CS1/styles.css has no content.G Wolfschmidt, ed. (2008). The Cultural Heritage of Astronomical Observatories: From Classical Astronomy to Modern Astrophysics. ICOMOS Symposium (Report). Hamburg. p. 129.
- ^ Page Module:Citation/CS1/styles.css has no content.Machado, L. E. (February 1986). "The Astrographs of the Valongo Observatory (ufrj) and the Astrometry Program at Campinas, SXO Paulo Brazil". Revista Mexicana de Astronomia y Astrofisica. 12 (441).
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