Ondřejov Observatory

The Ondřejov Observatory (pronounced [ˈondr̝ɛjof]; Czech: Observatoř Ondřejov) is the principal observatory of the Astronomical Institute (Astronomický ústav) of the Academy of Sciences of the Czech Republic. It is located near the village of Ondřejov, 35 kilometres (22 miles) southeast of Prague, Czech Republic.[1] It has a 2-metre (6 ft 7 in) wide telescope, which is the largest in the Czech Republic.

Ondřejov Observatory
Historic cupola of the Ondřejov Observatory
OrganizationAstronomical Institute of Czech Academy of Sciences 
Observatory code 557 
LocationOndřejov, Prague-East District, Central Bohemian Region, , Czechia
Coordinates49°54′55″N 14°46′52″E
Altitude500 m (1,600 ft)
Established1898 
TelescopesOndřejov 0.65-m telescope
Ondřejov 2-m telescope
Ondřejov radio telescope 
Location of Ondřejov Observatory
Related media on Wikimedia Commons

History

The facility was constructed in 1898, by Czech amateur astronomer and entrepreneur Josef Jan Frič as a private observatory. On 28 October 1928, he donated the facility to the Czechoslovak state to celebrate the tenth anniversary of its independence.[2] The observatory, located at an altitude of 500 metres (1,600 ft), away from the air and light pollution of urban Prague, was administered by Charles University until the founding of the Czechoslovak Academy of Sciences in 1953, which from then on operated it as part of its Astronomical Institute in conjunction with other Czechoslovak observatories.

In 1967, a telescope measuring 2 metres (6 ft 7 in) in width was added to the observatory, which at that time was the 7th largest telescope in the world. Now it is the largest telescope in the Czech Republic and is in the second hundred in the world.[3]

It has been responsible, among other scientific achievements, for the discovery of numerous asteroids; more recent works of astronomers from Ondřejov include examination of the trajectory and origin of the Chelyabinsk meteor. More than 700 minor planets have been discovered at this observatory.[4] While most of these discoveries are officially credited to the astronomers who discovered them, a remaining 23 minor planets are directly credited to "Ondrejov" (the observatory itself) by the Minor Planet Center for the period 1997–2008.[5]

The main-belt asteroid 7204 Ondřejov, discovered by Petr Pravec in 1995, was named for the village where the observatory is located.[1]

Minor planets discovered: 23 [5]
see § List of discovered minor planets

List of discovered minor planets
31139 Garnavich25 September 1997list
37788 Suchan25 September 1997list
42924 Betlem2 October 1999list
42981 Jenniskens2 October 1999list
53285 Mojmír24 March 1999list
76713 Wudia6 May 2000list
82559 Emilbřezina28 July 2001list
(109353) 2001 QS15326 August 2001list
(113389) 2002 SF1728 September 2002list
(119113) 2001 OE7728 July 2001list
127196 Hanaceplechová16 April 2002list
(131423) 2001 OF7729 July 2001list
(138439) 2000 HD9826 April 2000list
(164782) 1999 DK416 February 1999list
(172097) 2002 EX1078 March 2002list
(216476) 1999 SC2223 September 1999list
(264493) 2001 PS5015 August 2001list
(281660) 2008 VQ135 November 2008list
(286148) 2001 TG21714 October 2001list
(316333) 2010 RP12319 September 2001list
(337680) 2001 TR20912 October 2001list
(352835) 2008 VR136 November 2008list
(362805) 2011 YZ42 December 1999list
  • Ten-meter solar flux monitor at Ondřejov.
  • 10-m radio telescope with Venus and Jupiter in the sky.
  • The dome of the 65-cm telescope.
  • The dome of the 2-m telescope.
  • Solar Telescope.
  • Solar Telescope with outer housing.
  • Horizontal Solar Spectrograph.
  • Central plain with former J. J. Frič house.
  • Robotic telescope BART.

See also

References
  1. Schmadel, Lutz D. (2007). "(7204) Ondřejov". Dictionary of Minor Planet Names – (7204) Ondřejov. Springer Berlin Heidelberg. p. 583. doi:10.1007/978-3-540-29925-7_6350. ISBN 978-3-540-00238-3.
  2. Dorschner, J., & Löffler, G., Astronomy, a Popular History, (New York City: Van Nostrand Reinhold, 1975).
  3. "Největší dalekohled v Česku vznikl před 50 lety se štěstím. Teď zkoumá vzdálený vesmír". Aktuálně.cz (in Czech). 23 August 2017.
  4. "Numbered asteroids discovered at Ondřejov". Ondřejov Obsrevatory. 1 March 2016. Retrieved 9 January 2017.
  5. "Minor Planet Discoverers (by number)". Minor Planet Center. 14 November 2016. Retrieved 29 November 2016.
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