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File:Exoplanet Period-Mass Scatter.png

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English: Scatter plot of mass, m, and semimajor axis, a, for exoplanet discoveries through 2014-09-23, indicating the discovery method using distinct colors:
 
radial velocity (dark blue)
 
transit (dark green)
 
timing (dark purple)
 
direct imaging (dark red)
 
microlensing (dark orange)
 
Solar System planets for reference

Estimates (see "important note" below) of m and a are indicated with circles.

Scales indicate (log10 of) mass, m, expressed as Jupiter masses (left) and Earth masses (right); and (log10 of) semimajor axis, a, expressed in AU (bottom), and the corresponding period, p for a planet orbiting a Sun-mass star, expressed in Earth years.

Reference lines are provided as a rough measure of the difficulty of detecting exoplanets using radial velocity and transits. Dashed lines trace the combinations of m and a values that produce the indicated radial velocity semi-amplitude K for a planet orbiting a solar-mass star (assuming m << M). Dashed lines trace the m (for Jupiter-density) and a values where the geometric probability, P, of transit for a solar-radius star (assuming a circular orbit, so that e and ω can be ignored) is the indicated value (less than the indicated proportion of all planets to the right of a given line will have transiting orbits).

Exoplanet data is from the Open Exoplanet Catalogue,[1] version 811d352, including some (mostly from the Kepler mission) whose semi major axes are computed from period data. The figure excludes 4 planets with semimajor axes outside the range of the figure and 1 (PSR B1257+12 b) with a mass lower than the range of the figure.

Important note: This figure is intended to serve as a visualization of the 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 distrubiton of masses for non-transiting planets may be shifted and "smeared" significantly upward).

  1. ↑ Open Exoplanet Catalogue (2014-09-23). Retrieved on 2014-09-23.
Date
Source Own work, based on a figure by E.A.L. and used with permission
Author Aldaron, a.k.a. Aldaron
Other versions
Other versions
  • A version with selected planets labeled
    A version with selected planets labeled
  • All discovery methods, color coded and animated by year of discovery
    All discovery methods, color coded and animated by year of discovery
  • Exoplanets in the Kepler Mission's field of view
    Exoplanets in the Kepler Mission's field of view
Graphs for individual methods

Licensing:

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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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Date/TimeThumbnailDimensionsUserComment
current22:10, 26 September 2016Thumbnail for version as of 22:10, 26 September 20161,600 × 1,920 (141 KB)Cmdrjameson (talk | contribs)Compressed with pngout. Reduced by 148kB (51% decrease).
23:31, 23 September 2014Thumbnail for version as of 23:31, 23 September 20141,600 × 1,920 (290 KB)Aldaron (talk | contribs)OEC catalog version 811d352
13:28, 2 January 2014Thumbnail for version as of 13:28, 2 January 20141,600 × 1,920 (295 KB)Aldaron (talk | contribs)OEC catalog version 1f0f1dc — First full upload of period-mass figures using Open Exoplanet Catalogue as sole data source. Numerous additions and modifications to data since last update.
23:33, 17 August 2011Thumbnail for version as of 23:33, 17 August 2011800 × 945 (50 KB)Mahahahaneapneap (talk | contribs)Compressed
19:55, 3 October 2010Thumbnail for version as of 19:55, 3 October 2010800 × 945 (74 KB)Aldaron (talk | contribs)Addition 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.
02:21, 29 August 2010Thumbnail for version as of 02:21, 29 August 2010800 × 945 (74 KB)Aldaron (talk | contribs)Addition 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
04:12, 20 March 2010Thumbnail for version as of 04:12, 20 March 2010800 × 945 (73 KB)Aldaron (talk | contribs)Addition of HD 4313 b, HD 95089 b, HD 181342 b, HD 206610 b, HD 180902 b, HD 136418 b, HD 212771 b, Gl 179 b, HD 126614 b, HD 13931 b and HD 34445 b.
23:01, 17 March 2010Thumbnail for version as of 23:01, 17 March 2010800 × 945 (72 KB)Aldaron (talk | contribs)Addition of CoRoT-9 b; updates to WASP-12 b.
14:14, 14 March 2010Thumbnail for version as of 14:14, 14 March 2010800 × 945 (72 KB)Aldaron (talk | contribs)Addition of HAT-P-14 b; updates to 47 Ursae Majoris b, c, and d.
04:07, 7 March 2010Thumbnail for version as of 04:07, 7 March 2010800 × 945 (72 KB)Aldaron (talk | contribs)Addition of 47 Ursae Majoris d; updates to HD 38529 b & c, and HD 80606 b.
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