{{short description|Finnish astronomer}} {{Infobox scientist | name = Mikko Tuomi | honorific_suffix = | image = | caption = | birth_name = | birth_date = {{birth date and age|1979|6|17|df=y}} | birth_place = Espoo, Finland<ref name=seurafi>{{cite web|url=https://seura.fi/viihde/julkkikset/elamaa-avaruudessa-mikko-tuomi-loysi-planeetan/|title=Elämää avaruudessa? Mikko Tuomi löysi planeetan|date=February 10, 2017|accessdate=February 21, 2020|author=Milla Ollikainen|language=fi}}</ref> | citizenship = Finland | death_date = | death_place = | education = | alma_mater = University of Turku (Ph.D.) | doctoral_advisor = Harry Lehto <br /> Esko Valtaoja | thesis_title = Multidata inverse problems and Bayesian solution methods in astronomy | thesis_url = https://www.utupub.fi/bitstream/handle/10024/92318/AnnalesAI470Tuomi.pdf?sequence=2&isAllowed=y | thesis_year = 2013 | workplaces = University of Turku<br />University of Hertfordshire | doctoral_students = | known_for = | spouse = | children = | awards = | signature = | website = | fields = Astronomy | module = | party = Left Alliance }}
'''Mikko Tuomi''' (born 17 June 1979) is a Finnish astronomer most known for his contributions to the discovery of the exoplanet Proxima Centauri b together with other scientists at the University of Hertfordshire. Other exoplanets to whose discovery or study Tuomi has contributed include HD 40307,<ref name="tuomi12">{{cite journal |doi=10.1051/0004-6361/201220268 |last1=Tuomi |first1=Mikko |last2=Anglada-Escudé |first2=Guillem |last3=Gerlach |first3=Enrico |last4=Jones |first4=Hugh R. A. |last5=Reiners |first5=Ansgar |last6=Rivera |first6=Eugenio J. |last7=Vogt |first7=Steven S. |last8=Butler |first8=R. Paul |title=Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307 |journal=Astronomy & Astrophysics |date=17 December 2012 |volume=549 |pages=A48 |arxiv=1211.1617 |bibcode=2013A&A...549A..48T }}</ref> HD 154857 c,<ref name="Wittenmyer">[https://arxiv.org/abs/1401.5525 The Anglo-Australian Planet Search. XXIII. Two New Jupiter Analogs]: Robert A. Wittenmyer, Jonathan Horner, C.G. Tinney, R.P. Butler, H.R.A. Jones, Mikko Tuomi, G.S. Salter, B.D. Carter, F. Elliott Koch, S.J. O'Toole, J. Bailey, D. Wright</ref> Kapteyn c,<ref>Guillem Anglada-Escudé, Pamela Arriagada, Mikko Tuomi, Mathias Zechmeister, James S. Jenkins, Aviv Ofir, Stefan Dreizler, Enrico Gerlach, Chris J. Marvin, Ansgar Reiners, Sandra V. Jeffers, R. Paul Butler, Steven S. Vogt, Pedro J. Amado, Cristina Rodríguez-López, Zaira M. Berdiñas, Julian Morin, Jeff D. Crane, Stephen A. Shectman, Ian B. Thompson, Matías Díaz, Eugenio Rivera, Luis F. Sarmiento, Hugh R.A. Jones, [https://arxiv.org/abs/1406.0818, Two planets around Kapteyn's star : a cold and a temperate super-Earth orbiting the nearest halo red-dwarf]. (Cornell University 3 June 2014).</ref> Gliese 682 c,<ref>Mikko Tuomi, Hugh R. A. Jones, John R. Barnes, Guillem Anglada-Escudé, James S. Jenkins, [https://arxiv.org/abs/1403.0430 Bayesian search for low-mass planets around nearby M dwarfs. Estimates for occurrence rate based on global detectability statistics] (Submitted on 3 Mar 2014).</ref> HD 154857,<ref name="Wittenmyer"/> Gliese 221,<ref>[https://arxiv.org/abs/1401.4000 A new cold sub-Saturnian candidate planet orbiting GJ 221]: Mikko Tuomi, January 16, 2014</ref> Gliese 581 g<ref>{{cite journal |arxiv=1102.3314 |author1=Mikko Tuomi |title=Bayesian re-analysis of the radial velocities of Gliese 581. Evidence in favour of only four planetary companions |year=2011 |doi=10.1051/0004-6361/201015995 |volume=528 |journal=Astronomy & Astrophysics |page=L5 |bibcode=2011A&A...528L...5T}}</ref> and the planetary system orbiting Tau Ceti.<ref name="Tuomi2012preprint">{{cite journal| last=Tuomi| first=M.| display-authors=etal |title=Signals embedded in the radial velocity noise: Periodic variations in the Tau Ceti velocities|journal=Astronomy & Astrophysics| issue=preprint| url=http://www.aanda.org/articles/aa/full_html/2013/03/aa20509-12/aa20509-12.html| arxiv=1212.4277| bibcode = 2012yCat..35510079T |doi = 10.1051/0004-6361/201220509| volume=551| page=A79| date=March 2013}}</ref>
== Publications == Mikko Tuomi has contributed to many cosmologist research articles including: * "A Super-Earth in the Habitable Zone"<ref>{{Cite journal|last1=Wittenmyer|first1=Robert A.|last2=Tuomi|first2=Mikko|last3=Butler|first3=R. P.|last4=Jones|first4=H. R. A.|last5=Anglada-Escude|first5=Guillem|last6=Horner|first6=Jonathan|last7=Tinney|first7=C. G.|last8=Marshall|first8=J. P.|last9=Carter|first9=B. D.|date=2014-06-21|title=GJ 832c: A Super-Earth in the Habitable Zone|url=https://www.researchgate.net/publication/263352191|volume=791|issue=2|doi=10.1088/0004-637X/791/2/114|issn=0004-637X|bibcode=2014ApJ...791..114W|journal=The Astrophysical Journal|page=114|arxiv = 1406.5587 }}</ref> * "Two planets around Kapteyn's star: A cold and a temperate super-Earth orbiting the nearest halo red dwarf"<ref>{{Cite journal|last1=Anglada-Escude|first1=G.|last2=Arriagada|first2=P.|last3=Tuomi|first3=M.|last4=Zechmeister|first4=M.|last5=Jenkins|first5=J. S.|last6=Ofir|first6=A.|last7=Dreizler|first7=S.|last8=Gerlach|first8=E.|last9=Marvin|first9=C. J.|date=2014-06-03|title=Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf|url=https://www.researchgate.net/publication/262840914|journal=Monthly Notices of the Royal Astronomical Society: Letters|volume=443|issue=1|pages=L89–L93|doi=10.1093/mnrasl/slu076|doi-access=free |issn=1745-3925|arxiv = 1406.0818 |bibcode = 2014MNRAS.443L..89A }}</ref> * "Bayesian search for low-mass planets around nearby M. draws. Estimates for occurrence rate based on global detestability statistics"<ref>{{Cite journal|last1=Tuomi|first1=M.|last2=Jones|first2=H. R. A.|last3=Barnes|first3=J. R.|last4=Anglada-Escude|first4=G.|last5=Jenkins|first5=J. S.|date=2014-03-03|title=Bayesian search for low-mass planets around nearby M dwarfs - estimates for occurrence rate based on global detectability statistics|url=https://www.researchgate.net/publication/260483215|journal=Monthly Notices of the Royal Astronomical Society|volume=441|issue=2|pages=1545–1569|doi=10.1093/mnras/stu358|doi-access=free |issn=0035-8711|arxiv = 1403.0430 |bibcode = 2014MNRAS.441.1545T }}</ref> * "A dynamically-packed planetary system around GJ667C with three super-Earths in its habitable zone"<ref>{{Cite journal|last1=Anglada-Escudé|first1=Guillem|last2=Tuomi|first2=Mikko|last3=Gerlach|first3=Enrico|last4=Barnes|first4=Rory|last5=Heller|first5=René|last6=Jenkins|first6=James S.|last7=Wende|first7=Sebastian|last8=Vogt|first8=Steven S.|last9=Butler|first9=R. Paul|date=2013-06-25|title=A dynamically-packed planetary system around GJ 667C with three super-Earths in its habitable zone|url=https://www.researchgate.net/publication/241689403|journal=Astronomy & Astrophysics|volume=556|doi=10.1051/0004-6361/201321331|issn=0004-6361|page=A126|arxiv = 1306.6074 |bibcode = 2013A&A...556A.126A }}</ref>
== Discoveries == Mikko Tuomi helped discover the Proxima Centauri b planet by observing the gravitational tug of Proxima Centauri's star, Proxima Centauri.<ref name=":0">{{Cite web|url=http://www.huffingtonpost.com/dr-sten-odenwald/proxima-centauri-b-earths_b_11705746.html|title=Proxima Centauri b: Earth-sized? Earth-like? Or Habitable?|last1=Astronomer|first1=Dr Sten Odenwald|last2=Consortium|first2=NASA Heliophysics Education|date=2016-08-26|website=The Huffington Post|access-date=2016-08-28}}</ref>
== Political career == Tuomi participated in the concurrent 2025 Finnish municipal elections and 2025 Finnish county elections in the Turku constituency as a member of the Left Alliance.<ref>{{cite web|url=https://www.mtvuutiset.fi/vaalikone/101/vaalipiiri/317/ehdokkaat/8598|title=Vaalikone - Mikko Tuomi|publisher=MTVuutiset|language=fi}}</ref> He received 132 and 113 votes respectively.<ref>{{cite web|url=https://vaalit.yle.fi/kv2025/tulospalvelu/fi/municipalities/853/candidates/?caid=360|title=Mikko Tuomi kuntavaaleissa 2025|publisher=YLE|language=fi}}</ref><ref>{{cite web|url=https://vaalit.yle.fi/av2025/tulospalvelu/fi/electoral-districts/5/candidates/?caid=2622|title=Mikko Tuomi aluevaaleissa 2025|publisher=YLE|language=fi}}</ref>
== See also == * Exoplanetology * List of potentially habitable exoplanets * Proxima Centauri
== References ==
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{{DEFAULTSORT:Tuomi, Mikko}} Category:Finnish astronomers Category:Finnish politicians Category:Living people Category:1979 births