MINERVA-Australis
MINERVA-Australis bụ ụlọ nyocha mbara ala, [1] nke Queensland" id="mwCQ" rel="mw:WikiLink" title="University of Southern Queensland">Mahadum nke Southern Queensland, na Queensland, Australia na-arụ ọrụ. Ụlọ ọrụ ahụ dị na USQ's Mount Kent Observatory, ma hụ Ìhè mbụ na nkeji iri na ise nke afọ 2018. [2] rụchara ọrụ nke ụlọ ọrụ ahụ n'etiti afọ 2019, a malitekwara ụlọ ọrụ ahụ na 23 Julaị 2019. [1]
Ụlọ ọrụ ahụ na-agbaso ihe nlereanya ọhụrụ nke mbụ e debere na Miniature Exoplanet Radial Velocity Array (MINERVA) nke ugwu, [3] ụlọ ọrụ exoplanet nke dị na US Fred Lawrence Whipple Observatory na Mt. Hopkins, Arizona. A na-eji MINERVA-Australis eme ihe iji nyochaa ma gosipụta ihe ndị dịpụrụ adịpụ nke NASA's Transiting Exoplanet Survey Satellite (TESS), nke a malitere n'ọnwa Eprel, 2018.
Onye isi nchọpụta nke ọrụ ahụ bụ onye na-enyocha mbara igwe USQ Rob Wittenmyer, onye na-eduga otu ndị mmekọ si n'ụlọ ọrụ dị iche iche n'ụwa niile (UNSW Australia; Mahadum Nanjing; Mahadim California, Riverside; MIT; Mahadum George Mason; Mahaduma Louisville; Mahadem Texas na Austin; Mahadin Florida).
Ihe mgbaru ọsọ sayensị[dezie | dezie ebe o si]
Ọrụ bụ isi nke MINERVA-Australis bụ ịkwado nchọpụta nke ụgbọ mbara igwe NASA TESS, na-enye nyocha na njirimara nke mbara ala ndị a chọpụtara ọhụrụ. N'oge a na-enye ya ọrụ, a na-eji ụlọ ọrụ ahụ achụso ebumnuche nke ohere, na ịrụ ọrụ na-agbatị ntọala nke mmemme Anglo-Australian Planet Search. MINERVA-Australis na-enye ndị na-eme nchọpụta ohere inweta nyocha ọsọ ọsọ nke radial maka kpakpando ndị a na-achọ, na-eme ka a tụọ oke mbara ala ndị ụgbọ mbara igwe TESS chọpụtara ozugbo, ma gosipụta n'oge na-adịbeghị anya n'ịdị mma nke radial ọsọ nke ihe dịka 1 m / s.
Na mgbakwunye na inye nyocha ọsọ ọsọ dị elu, MINERVA-Australis ga-enyekwa nyocha photometric dị elu. Nke a bụ iji mee ka ọ dịrị ndị na-esote mbara ala TESS mfe (karịsịa ndị dị na mpaghara TESS si gaa n'ihu). Ọ pụkwara ime ka a hụ ihe omume nzuzo na ihe ndị ọzọ na-agafe agafe nke ohere.
N'oge a na-enye ya ọrụ, nchọpụta ndị MINERVA-Australis mere nyere aka na nchọpụta nke mbara ala 13 ọhụrụ, na-arụkọ ọrụ na ndị nchọpụta na ụlọ ọrụ dị iche iche gburugburu ụwa.
Ụlọ ọrụ ahụ[dezie | dezie ebe o si]
MINERVA-Australis ugbu a nwere telivishọn PlaneWave CDK700 anọ, [4] (CDK700 ise dị maka oge July 2019 - April 2020, mgbe telivishۆن CDK700 nyere onyinye na-echere maka ọrụ ọzọ ịmalite). Telescopes 0.7 m ndị a nwere ọdụ ụgbọ mmiri abụọ, na-enye ohere iji nke ọ bụla mee ihe maka ma ọ bụ spectroscopic ma ọ bụ photometric. Telescope [5] bụla na-anọdụ n'ime ụlọ elu Astrohaven nke ya, [1] nke a na-ekesa n'ihe dị ka ọkara gburugburu ụlọ ọrụ ahụ.
A ga-arụ ọrụ photometric site na iji igwefoto Andor, [6] na 2k x 2k CCDs na-enwu gbaa azụ na 15 μm pixels. Igwefoto ndị a na-enye ebe ọhụụ dị irè > 20'.
A na-ejikọta telivishọn ndị ahụ site na eriri anya na spectrograph, R = 75,000 echelle, na-ekpuchi wavelengths 480 - 630nm, nke KiwiStar Optics mepụtara. Spectrograph na-eji calibration n'otu oge na eriri dị iche. Tupu afọ 2020, a na-enye akara n'otu oge site na oriọna Thorium-Argon. N'ihi ogologo oge na ìhè dị ala nke na-agbasa n'otu oge a na-enye isi iyi nke calibration ugbu a site na oriọna dị larịị nke Tungsten na-enwu ọkụ azụ nke mkpụrụ ndụ iodine. Nke a bụ ụzọ dị iche na usoro 'iodine cell' nke na-agafe ìhè kpakpando site na mkpụrụ ndụ iodine.
Hụkwa[dezie | dezie ebe o si]
- Ndepụta nke onyokomita nke Australia
Edensibia[dezie | dezie ebe o si]
- ↑ Details of funding for the MINERVA-Australis project, from the Australian Research Council.. Archived from the original on 2 August 2017. Retrieved on 4 December 2017.
- ↑ We have lift-off: USQ at forefront of planet discoveries. University of Southern Queensland (23 July 2019). Archived from the original on 23 July 2019. Retrieved on 22 September 2019.
- ↑ The homepage for MINERVA, a dedicated northern hemisphere exoplanet observatory.
- ↑ Technical specifications for the PlaneWave CDK700 telescopes, four of which make up the MINERVA-Australis telescope array.. Archived from the original on 2014-05-17. Retrieved on 2023-12-12.
- ↑ Details of Astrohaven's 12' domes. MINERVA-Australis uses four of the slightly larger, 12.5', domes to house its four telescopes. Archived from the original on 2018-10-27. Retrieved on 2023-12-12.
- ↑ Details of the Andor iKon-L 936 camera, to be used by MINERVA-Australis.