The Way to Detect Exoplanetary Systems and the Limitations of the Doppler Method

Research Article
Open access

The Way to Detect Exoplanetary Systems and the Limitations of the Doppler Method

Boyuan Tian 1*
  • 1 Beijing Bayi School (International Department) No.29 Suzhou Street, Haidian District, Beijing, Beijing 100080, China    
  • *corresponding author Boyuantian2022@163.com
TNS Vol.5
ISSN (Print): 2753-8826
ISSN (Online): 2753-8818
ISBN (Print): 978-1-915371-53-9
ISBN (Online): 978-1-915371-54-6

Abstract

According to current astronomical developments, Doppler and lensing methods are the two most important methods used by astronomers to detect extrasolar planetary systems. Unlike the lensing method, which requires the use of high-precision astronomical telescopes to measure stellar luminosity variations, the Doppler method can rely on simple stellar redshift phenomena and calculations to accurately predict the existence of extraterrestrial planets, their masses, orbital radii, and other basic characteristics. Therefore, Doppler's method will be the most widely used method to measure planetary systems. Based on the derivation of Kepler's third law, the formulas for calculating the masses and orbital distances of planets are discussed and a python program for easy calculation is presented. Also, the limitations of Doppler's method and possible calculation errors are collected, organized, and explained.

Keywords:

Exoplanets, Astrometry, Astrophysics

Tian,B. (2023). The Way to Detect Exoplanetary Systems and the Limitations of the Doppler Method. Theoretical and Natural Science,5,178-181.
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References

[1]. Nature, Michel Mayor and Didier Queloz,1995, p. 355

[2]. Guixin Li, Thomas Zentgraf & Shuang Zhang. (21 March 2016). Rotational Doppler effect in nonlinear optics. Nature Physics[online], 736.Available From: http://https://www.nature.com/articles/nphys3699.

[3]. Rick Chen, (Oct 31, 2018) NASA’s First Planet Hunter, the Kepler Space Telescope: 2009-2018, http://https://www.nasa.gov/kepler/missiontimeline, Oct 14, 2022

[4]. Mary A. Voytek, (October 13, 2022) Gaia Space Observatory, http://https://astrobiology.nasa.gov/missions/gaia-space-observatory/, Oct 14, 2022

[5]. Weixiong Xu. (Jul., 2016). Astrometric Detection of Exoplanets. ACTA ASTRONOMICA SINICA. 421.

Cite this article

Tian,B. (2023). The Way to Detect Exoplanetary Systems and the Limitations of the Doppler Method. Theoretical and Natural Science,5,178-181.

Data availability

The datasets used and/or analyzed during the current study will be available from the authors upon reasonable request.

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About volume

Volume title: Proceedings of the 2nd International Conference on Computing Innovation and Applied Physics (CONF-CIAP 2023)

ISBN：978-1-915371-53-9(Print) / 978-1-915371-54-6(Online)
Editor：Marwan Omar, Roman Bauer
Conference website: https://www.confciap.org/
Conference date: 25 March 2023
Series: Theoretical and Natural Science
Volume number: Vol.5
ISSN：2753-8818(Print) / 2753-8826(Online)

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References

[1]. Nature, Michel Mayor and Didier Queloz,1995, p. 355

[2]. Guixin Li, Thomas Zentgraf & Shuang Zhang. (21 March 2016). Rotational Doppler effect in nonlinear optics. Nature Physics[online], 736.Available From: http://https://www.nature.com/articles/nphys3699.

[3]. Rick Chen, (Oct 31, 2018) NASA’s First Planet Hunter, the Kepler Space Telescope: 2009-2018, http://https://www.nasa.gov/kepler/missiontimeline, Oct 14, 2022

[4]. Mary A. Voytek, (October 13, 2022) Gaia Space Observatory, http://https://astrobiology.nasa.gov/missions/gaia-space-observatory/, Oct 14, 2022

[5]. Weixiong Xu. (Jul., 2016). Astrometric Detection of Exoplanets. ACTA ASTRONOMICA SINICA. 421.

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