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Gaia is a space observatory of the European Space Agency (ESA), launched in 2013 and expected to operate until Spring 2025. The spacecraft is designed for astrometry: measuring the positions, distances and motions of stars with unprecedented precision, [6] [7] and the positions of exoplanets by measuring attributes about the stars they orbit such as their apparent magnitude and color. [8]
The Gaia catalogues are star catalogues created using the results obtained by Gaia space telescope. The catalogues are released in stages that will contain increasing amounts of information; the early releases also miss some stars, especially fainter stars located in dense star fields. [1] Data from every data release can be accessed at the ...
Gaia BH1 (Gaia DR3 4373465352415301632) is a binary system consisting of a G-type main-sequence star and a likely stellar-mass black hole, located about 1,560 light-years (478 pc) away from the Solar System in the constellation of Ophiuchus. [4]
Mission consists of two spacecraft, which were the first spacecraft to reach Earth–Moon Lagrangian points. Both moved through Earth–Moon Lagrangian points, and are now in lunar orbit. [34] [35] WIND: Sun–Earth L 2: NASA: Arrived at L 2 in November 2003 and departed April 2004. Gaia Space Observatory: Sun–Earth L 2: ESA: Launched 19 ...
The Gaia catalogues are based on observations made by the Gaia space telescope. They are released in stages that contain increasing amounts of information; the early releases also miss some stars, especially fainter stars located in dense star fields. [34] Data from every data release can be accessed at the Gaia archive. [35]
From parallax measurements by the Gaia spacecraft, it is located 53 ly (16 pc) from Earth. In 2019, it was discovered that the star has two exoplanets: a possibly rocky, hot sub-Neptune-sized exoplanet named HD 21749 b; and an Earth-sized exoplanet named HD 21749 c. These exoplanets were discovered by the TESS spacecraft.
L 98-59 (TOI-175, TIC 307210830) is a bright M dwarf star, located in the constellation of Volans, at a distance of 10.608 parsecs (34.60 light-years), as measured by the Gaia spacecraft. [ 4 ] Broadband photometry shows that it is an M3 dwarf star with three confirmed terrestrial-sized planets in transit, which were announced in March 2019 by ...
The Gaia Data Processing and Analysis Consortium (DPAC) is a group of over 400 European scientists and software engineers formed with the objective to design, develop and execute the data processing system for ESA's ambitious Gaia space astrometry mission. It was formally formed in June 2006 by European scientists, with the initial goal of ...