File:Exoplanet Period-Mass Scatter Discovery Method RV.png

Da testwiki.
Vai alla navigazione Vai alla ricerca
File originale (1 600 × 1 920 pixel, dimensione del file: 77 KB, tipo MIME: image/png)

Questo file proviene da Wikimedia Commons e può essere utilizzato da altri progetti. Di seguito viene mostrata la descrizione presente nella pagina di descrizione del file.

Dettagli

Descrizione
English: Scatter plot of mass, m, and semimajor axis, a, for exoplanet discoveries through 2014-09-23, indicating planets detected using radial velocity:
 
detected using radial velocity (black)
 
detected using other methods
 
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. 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).

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.
Data
Fonte Opera propria, based on a figure by E.A.L. and used with permission
Autore Aldaron, a.k.a. Aldaron
Altre versioni
Other versions
Graphs for individual methods

Licenza:

Public domain Io, detentore del copyright su quest'opera, la rilascio nel pubblico dominio. Questa norma si applica in tutto il mondo.
In alcuni paesi questo potrebbe non essere legalmente possibile. In tal caso:
Garantisco a chiunque il diritto di utilizzare quest'opera per qualsiasi scopo, senza alcuna condizione, a meno che tali condizioni siano richieste dalla legge.

Didascalie

Aggiungi una brevissima spiegazione di ciò che questo file rappresenta

Elementi ritratti in questo file

raffigura

Cronologia del file

Fare clic su un gruppo data/ora per vedere il file come si presentava nel momento indicato.

Data/OraMiniaturaDimensioniUtenteCommento
attuale23:10, 26 set 2016Miniatura della versione delle 23:10, 26 set 20161 600 × 1 920 (77 KB)wikimediacommons>CmdrjamesonCompressed with pngout. Reduced by 198kB (72% decrease).

La seguente pagina usa questo file: