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CoRoT-18b is a transiting hot Jupiter exoplanet found by the CoRoT space telescope in 2011. It orbits CoRoT-18 in the constellation of Monoceros. It is a G9V star with an effective temperature of 5,440 K (5,170 °C; 9,330 °F), a mass of 0.95 M_☉, a radius of 1.00 R_☉, and a near-solar metallicity. Its age is unknown. A 2021 study utilizing the Rossiter–McLaughlin effect has determined the planetary orbit is probably aligned with the rotational axis of the star, with a misalignment equal to -10±20°.

References

1. "Notes on CoRoT-18 b". Extrasolar Planets Encyclopaedia. Retrieved February 25, 2019.
2. "COROT-18 Planets in the system". Retrieved February 25, 2019.
3. Hébrard, G.; et al. (2011), "Transiting exoplanets from the CoRoT space mission", Astronomy & Astrophysics, 533: A130, arXiv:1107.2032, doi:10.1051/0004-6361/201117192
4. "NEW WORLDS ATLAS CoRoT-18 b". Retrieved February 25, 2019.
5. Albrecht, Simon; Winn, Joshua N.; Johnson, John A.; Howard, Andrew W.; Marcy, Geoffrey W.; Butler, R. Paul; Arriagada, Pamela; Crane, Jeffrey D.; Shectman, Stephen A.; Thompson, Ian B.; Hirano, Teruyuki; Bakos, Gaspar; Hartman, Joel D. (2012), "Obliquities of Hot Jupiter Host Stars: Evidence for Tidal Interactions and Primordial Misalignments", The Astrophysical Journal, 757: 18, arXiv:1206.6105, Bibcode:2012ApJ...757...18A, doi:10.1088/0004-637X/757/1/18, S2CID 17174530

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v t e Constellation of Monoceros
List of stars in Monoceros Monoceros in Chinese astronomy Monocerotids Monoceros Ring
Stars	Bayer α β γ δ ε ζ Flamsteed 1 2 3 6 7 9 10 12 13 14 16 17 18 19 20 21 23 24 25 27 28 77 Ori 78 Ori Variable R S (15) T U V RU RW SV TU UX VV VY AO AR AU AX BE BN BT BX CL CS CV CW DD FU GI IM PZ V372 V396 V474 V505 V569 V577 V578 V582 V588 V589 V590 V592 V614 V616 V638 V640 V641 V644 V653 V682 V684 V689 V694 V695 V696 V700 V715 V721 V723 V728 V731 V739 V743 V750 V753 V827 V838 V926 HR 2150 2154 2179 2205 2224 2234 2237 2267 2270 2280 2292 2300 2313 2317 2321 2324 2325 2328 2333 2342 2347 2355 2367 2370 2375 2378 2381 2386 2395 2406 2409 2418 2426 2430 2440 2458 2461 2467 2469 2474 2479 2502 2508 2514 2521 2530 2543 2551 2555 2570 2572 2577 2582 2584 2589 2599 2606 2610 2613 2624 2627 2636 2639 2647 2655 2656 2663 2676 2694 2731 2732 2739 2752 2765 2806 2807 2811 2833 2865 2866 2867 2876 2883 2920 2958 3014 3047 3054 3072 3150 3172 3174 3189 HD 42132 44179 44219 45090 45166 45215 45652 (Lusitânia) 46149 46150 46202 46223 46375 46966 48099 50064 50138 50281 52265 (Citalá) 65938 66428 Other A0620-00 AFGL 961 CoRoT-1 CoRoT-4 CoRoT-5 CoRoT-7 CoRoT-12 CoRoT-13 CoRoT-14 CoRoT-15 CoRoT-18 CoRoT-19 CoRoT-20 CoRoT-21 CoRoT-24 Gliese 282 Monoceros R2 IRS 3 NGC 2264 IRS 1 Ross 614 Scholz's SCR 0640−0552 UGPS J0652+0324 UGPS J0722−0540
Exoplanets CoRoT-1b CoRoT-4b CoRoT-5b CoRoT-7b CoRoT-7c CoRoT-7d CoRoT-12b CoRoT-13b CoRoT-14b CoRoT-15b CoRoT-18b CoRoT-19b CoRoT-20b CoRoT-20c CoRoT-21b CoRoT-24b CoRoT-24c HD 44219 b HD 45652 b (Viriato) HD 46375 b HD 52265 b (Cayahuanca)
Star clusters	NGC 2232 2244 2264 2301 2349 2353 2506 Other Messier 50 Christmas Tree Cluster Snowflake Cluster
Nebulae	NGC 2170 2261 2264 2346 Other Cone Nebula Fox Fur Nebula IC 447 IC 2177 Red Rectangle Nebula Rosette Nebula
Galaxies	NGC 2494 Other PKS 0805-07
Category

• Exoplanet stubs
• Hot Jupiters
• Transiting exoplanets
• Exoplanets discovered in 2011
• Exoplanets discovered by CoRoT