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Summary

Description
English: Scatter plot of super-Earth characteristics in context showing the mass, m, and radius, r, for
 
transiting Super-Earths, (black dots),

compared with those of

 
Solar System planets (gray circles), and
 
other transiting exoplanets (gray dots)

along with

 
the distribution, n (light gray bar chart), of minimum masses (see "important note" below) of transiting and non-transiting exoplanets,

detected through 2014-04-19.

Scales indicate (log10 of) planetary mass, m, expressed as Earth masses (bottom) and Jupiter masses (top); planetary radius, r, expressed in Earth radii (left) and Jupiter radii (right); and counts n (gray ticks on right).

References lines are provided for approximate mass-radius relationships[1] for selected planetary compositions:

 
H2O - hypothetical pure water (ice) planet; any planet above this line has a significant H/He envelope;
 
75% H2O (+ 3% Fe; 22% MgSiO3) - water world;
 
67% Fe (+ 32.5% MgSiO3) - rocky terrestrial;
 
Fe - hypothetical pure iron planet, exoplanets below this line are not likely.

Exoplanet data is from the Open Exoplanet Catalogue,[2] version 4945b99. The figure shows all planets up to 10 MJ (omitting 59 more massive planets), and transiting planets up to 18 RE (omitting an additional 17 with m ≤ 10 MJ but r > 18 RE). PSR B1257+12 b (with m < 10-4 MJ), lies off to the left of the graph, and is also omitted.

Important note: This figure is intended to serve as a catalog of generally accepted candidate exoplanets using the distribution of some of their basic properties related to detection. No attempt has been made to characterize the degree of confidence (which varies widely) in the existence of a given planet or its properties. Nor is any attempt made to convey systematic errors associated with a particular method. In particular, the indicated mass, m, for an exoplanet characterized using radial velocity is the minimum mass (so that the actual distribution of masses for non-transiting planets may be shifted and "smeared" significantly to the right).

  1. ↑ Seager, S.; M. Kuchner, C. A. Hier-Majumder and B. Militzer (2007). "Mass-radius relationships for solid exoplanets". The Astrophysical Journal 669: 1279-1297. DOI:10.1086/521346. Retrieved on 2014-04-18.
  2. ↑ Open Exoplanet Catalogue (2014-04-19). Retrieved on 2014-04-19.
Date
Source Own work
Author Aldaron, a.k.a. Aldaron
Other versions
  • Exoplanet discoveries, by year; color-coded by discovery method
    Exoplanet discoveries, by year; color-coded by discovery method
  • Scatter plot of exoplanet period and mass data; color-coded by discovery method
    Scatter plot of exoplanet period and mass data; color-coded by discovery method

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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inception

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Date/TimeThumbnailDimensionsUserComment
current12:46, 25 April 2014Thumbnail for version as of 12:46, 25 April 2014800 × 947 (69 KB)AldaronTidy labels.
12:53, 19 April 2014Thumbnail for version as of 12:53, 19 April 2014800 × 947 (68 KB)AldaronOEC catalog version 4945b99 — Update with corrections to KOI-55 b mass (using old toolchain still).
14:22, 23 January 2014Thumbnail for version as of 14:22, 23 January 2014800 × 947 (67 KB)AldaronOEC catalog version a6ef981 — Update with corrections to KOI-55 b mass (using old toolchain still).
16:08, 3 January 2014Thumbnail for version as of 16:08, 3 January 2014800 × 947 (68 KB)AldaronOEC catalog version 1f0f1dc — Refresh (using old toolchain still).
18:53, 11 October 2013Thumbnail for version as of 18:53, 11 October 2013800 × 947 (68 KB)AldaronUpdate with latest information from Open Exoplanets Catalog.
15:40, 15 January 2013Thumbnail for version as of 15:40, 15 January 2013800 × 947 (62 KB)AldaronUpdate after migration to OEC and addition of data through 2012.
23:33, 17 August 2011Thumbnail for version as of 23:33, 17 August 2011800 × 937 (45 KB)MahahahaneapneapCompressed
21:10, 21 July 2011Thumbnail for version as of 21:10, 21 July 2011800 × 937 (59 KB)AldaronAddition of 91 Aqr b, alf Ari b, CD-35 2722 b, CFBDS 1458 b, CHXR 73 b, CoRoT-16 b, 17 b, 18 b, 19 b, 20 b, 21 b, 23 b, DH Tau b, GJ 176 b, GJ 3634 b, Gl 785 b, GSC 06214-00210 b, HAT-P-26 b, HAT-P-27/WASP-40 b, HAT-P-28 b, HAT-P-29 b, HAT-P-30/WASP-51 b
20:07, 3 October 2010Thumbnail for version as of 20:07, 3 October 2010800 × 938 (46 KB)AldaronAddition of Gliese 581 f & g. Updates of MOA-2007-BLG-192-L b, WASP-29 b, HAT-P-13 b, HAT-P-14 b, HW Vir b, HW Vir c, HD 148156, Kepler-9 b, Kepler-9 c, HD 156411 b, HD 28254 b, HD 290327 b, HD 43197 b, HD 44219 b, HD 6718 b, HD 8535 b.
02:47, 29 August 2010Thumbnail for version as of 02:47, 29 August 2010800 × 938 (46 KB)AldaronAddition of Kepler 9 b & c, CoRoT 8 & 10 - 14 b, Gliese 876 e, HAT-P 15-25 b & 17 , HD 10180 c-h, 1RXS1609 b, 24 Sex b & c, 2M J044144 b, WASP 21, 22, 14-26, 28, 29, 31, 33, 36 & 37 b, HD, HD 102956 b, HD 109246 b, HD 145457 b, HD 200964 b & c, HD 38801 b
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