File:Exoplanet Period-Mass Scatter Labeled.png

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Summary

Description	English: Scatter plot of mass, m, and semimajor axis, a, for exoplanet discoveries through 2014-09-23 with selected planets labeled, 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). ↑ Open Exoplanet Catalogue (2014-09-23). Retrieved on 2014-09-23.
Date	23 September 2014
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 All discovery methods, color coded All discovery methods, color coded and animated by year of discovery Exoplanets in the Kepler Mission's field of view Graphs for individual methods Direct imaging Microlensing Radial velocity Timing Transits Related graphs Exoplanet discoveries, by year; color-coded by discovery method Exoplanet mass-radius scatter plot, emphasizing super-Earths

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File history

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	Date/Time	Dimensions	User	Comment
current	22:21, 26 September 2016	1,600 × 1,920 (181 KB)	Cmdrjameson	Compressed with pngout. Reduced by 174kB (49% decrease).
	23:36, 23 September 2014	1,600 × 1,920 (356 KB)	Aldaron	OEC catalog version 811d352
	13:33, 2 January 2014	1,600 × 1,920 (370 KB)	Aldaron	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.
	19:55, 3 October 2010	800 × 945 (96 KB)	Aldaron	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.
	02:22, 29 August 2010	800 × 945 (96 KB)	Aldaron	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 2010	800 × 945 (91 KB)	Aldaron	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 2010	800 × 945 (90 KB)	Aldaron	Addition of CoRoT-9 b; updates to WASP-12 b.
	14:14, 14 March 2010	800 × 945 (89 KB)	Aldaron	Addition of HAT-P-14 b; updates to 47 Ursae Majoris b, c, and d.
	04:08, 7 March 2010	800 × 945 (89 KB)	Aldaron	Addition of 47 Ursae Majoris d; updates to HD 38529 b & c, and HD 80606 b.
	17:03, 27 January 2010	800 × 945 (89 KB)	Aldaron	Updates to Gliese 876 b, c, and d.