TÜBİTAK National Observatory ( tr, TÜBİTAK Ulusal Gozlemevi, TUG) is a ground-based astronomical observatory operated by the TUG Institute of the Scientific and Technological Research Council of Turkey (TUBITAK). Established in 1991, it is located at an altitude of in Bakırtepe, around west-southwest of

Antalya Antalya () is the List of largest cities and towns in Turkey, fifth-most populous city in Turkey as well as the capital of Antalya Province. Located on Anatolia's southwest coast bordered by the Taurus Mountains, Antalya is the largest Turkish cit ...

in southern

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

. There are five telescopes installed in Bakırtepe: * RTT150 - Russian-Turkish 1.5-m Telescope (formerly AZT-22) (2001) * T100 (ACE RC1.0) - 1.0 m

Ritchey–Chrétien telescope A Ritchey–Chrétien telescope (RCT or simply RC) is a specialized variant of the Cassegrain telescope that has a hyperbolic primary mirror and a hyperbolic secondary mirror designed to eliminate off-axis optical errors (coma). The RCT has a wi ...

(2009) * T60 (OMI RC06) - 0.6 m Ritchey–Chrétien telescope (2008) * YT40 ( Meade LX200GPS) - 0.4 m Schmidt–Cassegrain telescope (2006) * ROTSEIIID

Robotic Optical Transient Search Experiment The Robotic Optical Transient Search Experiment (ROTSE) is a multi-telescope experiment designed to observe the optical afterglow of gamma-ray bursts. The experiment currently consists of four telescopes located in Australia, Namibia, Turkey, and ...

Discoveries

Scientists led by a Turkish astronomer from

Ankara University Ankara University ( tr, Ankara Üniversitesi) is a public university in Ankara, the capital city of Turkey. It was the first higher education institution founded in Turkey after the formation of the republic in 1923. The university has 40 vocat ...

discovered an

exoplanet An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917 but was not recognized as such. The first confirmation of detection occurred in 1992. A different planet, init ...

orbiting the giant star HD 208897, which is located at a distance of some 210

light year A light-year, alternatively spelled light year, is a large unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometers (), or 5.88 trillion miles ().One trillion here is taken to be 1012 ...

s from the Earth. The exoplanet has a minimum mass of 1.4 Jupiter masses, and rotates its parent star from about 1.05 AU () away in every 353 days on a nearly circular orbit. The discovery is the result of a ten-year-long research work of precise

radial-velocity method Doppler spectroscopy (also known as the radial-velocity method, or colloquially, the wobble method) is an indirect method for finding extrasolar planets and brown dwarfs from radial-velocity measurements via observation of Doppler shifts in t ...

carried out by using the Coude Echelle Spectrograph (CES) installed on the 1.5-meter Russian-Turkish Telescope (RTT150). Follow-up observations at the

Okayama Astrophysical Observatory The (NAOJ) is an astronomical research organisation comprising several facilities in Japan, as well as an observatory in Hawaii and Chile. It was established in 1988 as an amalgamation of three existing research organizations - the Tokyo Astro ...

(OAO) in Japan and the

Ankara University Kreiken Observatory The Ankara University Observatory (AUG) ( tr, Ankara Üniversitesi Gözlemevi), is a ground-based astronomical observatory operated by the Astronomy and Space Sciences Department at Ankara University's Faculty of Science. Established in 1959 by ...

(AUKR) confirmed the discovery, which was made public on August 6, 2017.

References

Astronomical observatories in Turkey National Observatory Buildings and structures in Antalya Province 1991 establishments in Turkey Robotic telescopes {{observatory-stub