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HD 156411 b (also known as HIP 84787 b and officialled named Sumajmajta) is an extrasolar planet which orbits the G-type main sequence star HD 156411, located approximately 179 light years away in the constellation Ara. This planet has at least three-fourths the mass of Jupiter and about 2.6 years years to orbit the star at a semimajor axis of 1.81 AU. However, unlike most other known exoplanets, its eccentricity is not known, but it is typical that its inclination is not known. This planet was detected by HARPS on October 19, 2009, together with 29 other planets.

The planet HD 156411 b is named Sumajmajta. The name was selected in the NameExoWorlds campaign by Peru, during the 100th anniversary of the IAU. Sumaj Majta was one half of the couple involved in a tragic love story Way to the Sun by Abraham Valdelomar.

References

1. Naef, Dominique; Mayor, Michel; Lo Curto, Gaspare; Bouchy, François; Lovis, Christophe; Moutou, Claire; Benz, Willy; Pepe, Francesco; Queloz, Didier; Santos, Nuno C.; Ségransan, Damien; Udry, Stéphane; Bonfils, Xavier; Delfosse, Xavier; Forveille, Thierry; Hébrard, Guillaume; Mordasini, Christoph; Perrier, Christian; Boisse, Isabelle; Sosnowska, Danuta (2010). "The HARPS Search for Southern Extrasolar Planets XXIII. 8 Planetary Companions to Low-activity Solar-type Stars". Astronomy and Astrophysics. 523: A15. arXiv:1008.4600. Bibcode:2010A&A...523A..15N. doi:10.1051/0004-6361/200913616. S2CID 118845989.
2. "Approved names". NameExoworlds. Retrieved 2020-01-02.
3. "International Astronomical Union | IAU". www.iau.org. Retrieved 2020-01-02.

v t e Constellation of Ara
Ara in Chinese astronomy List of stars in Ara
Stars	Bayer α (Choo/Tchou) β γ δ ε ε ζ (Tseen Yin) η θ ι κ λ μ (Cervantes) ν (V539) ν π ρ ρ σ Variable R S OY V626 V821 V828 V829 V854 V862 V872 HR 6177 6187 6207 6236 6251 6253 6297 6300 6312 6323 6408 6416 (41 G.) 6423 6438 6477 6478 6483 6487 6513 6759 HD 152079 153201 154672 154857 156411 (Inquill) Other 2MASS J18082002−5104378 CXOU J164710.2−455216 Gliese 674 Gliese 676 IRAS 16594-4656 SAO 244567 SGR 1627−41 Westerlund 1-20 Westerlund 1 W26 Westerlund 1-75 Westerlund 1-237 Westerlund 1-243 XTE J1650−500
Exoplanets Gliese 674 b HD 154672 b HD 154857 b c HD 156411 b μ Arae b c d e
Star clusters	NGC 6193 6200 6204 6208 6250 6352 6362 6397 Other ESO 280-SC06 IC 4651 Westerlund 1
Nebulae	NGC 6188 6326 Other Stingray Nebula Water Lily Nebula
Galaxies	NGC 6215 6221 6300 6328
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• Exoplanets discovered in 2009
• Exoplanets detected by radial velocity
• Giant planets
• Ara (constellation)
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• Exoplanet stubs