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The IAU's names for exoplanets – and on most occasions their host stars – are chosen by the Executive Committee Working Group (ECWG) on Public Naming of Planets and Planetary Satellites, a group working parallel with the Working Group on Star Names (WGSN). [1] Proper names of stars chosen by the ECWG are explicitly recognised by the WGSN. [1]
Name Temperature Mass (M ⊕ or M J) Notes References OGLE-2005-BLG-390Lb-223 °C (50 K) 5.5 M 🜨 The coldest known exoplanet, with a temperature lower than the melting points of oxygen and nitrogen. [a] [4] OGLE-2005-BLG-071L b-218 °C: 3.8 M J [5] PSR B1620-26 b-201.2 °C: 2.5 M J: One of the oldest exoplanets known, with an age of 12.7 ...
For exoplanets orbiting a single star, the name is normally formed by taking the name of its parent star and adding a lowercase letter. A provisional IAU-sanctioned standard exists to accommodate the naming of planets that orbit two stars, which are known as circumbinary planets. A limited number of exoplanets have IAU-sanctioned proper names.
These are lists of planets.A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation is the nebular hypothesis, which posits that an interstellar cloud collapses out of a nebula to create a young protostar orbited by a protoplanetary disk.
This is a partial list of named minor planets, containing all those starting with the letter S, as of 1 July 2024. It is ordered in a case-insensitive, alphabetical manner and contains a total of 2,306 entries. Grey minor planets have no article and redirect to the list of minor planets instead (see List of minor planets § Main index).
Pages in category "Exoplanets with proper names" The following 158 pages are in this category, out of 158 total. This list may not reflect recent changes. ...
This page was last edited on 18 November 2024, at 02:01 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Named minor planet Provisional This minor planet was named for... Ref · Catalog 102617 Allium: 1999 VC 23: Allium is a plant that has been used worldwide for millennia. Among a multitude of varieties, A. sativum is the common cultivated sort and can be found almost yearlong, but in spring, in Gnosca and surrounding areas, people harvest and eat the delicious A. ursinum.