Measuring Radial Velocity with Amateur Equipment

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SUMMARY

Measuring the radial velocity of stars with large exoplanets using amateur equipment is not feasible. Amateur telescopes are primarily designed for imaging rather than spectral analysis, which is essential for accurate radial velocity measurements. The process of obtaining radial velocity from a spectrum is complex and typically yields low-precision results. Professional techniques developed over the past two decades are necessary for achieving the high precision required to detect exoplanets.

PREREQUISITES
  • Understanding of radial velocity and its significance in exoplanet detection
  • Familiarity with spectroscopy and its application in astronomy
  • Knowledge of the limitations of amateur astronomical equipment
  • Awareness of professional techniques for high-precision radial velocity measurements
NEXT STEPS
  • Research advanced spectroscopy techniques used in professional astronomy
  • Explore high-precision radial velocity measurement methods
  • Learn about the capabilities and limitations of amateur telescopes
  • Investigate recent advancements in exoplanet detection technologies
USEFUL FOR

Astronomy enthusiasts, amateur astronomers, and anyone interested in the challenges of exoplanet detection using non-professional equipment.

Drakkith
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Would it be possible to measure the radial velocity of stars with large exoplanets using amateur equipment?
 
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Drakkith said:
Would it be possible to measure the radial velocity of stars with large exoplanets using amateur equipment?

Probably not. Amateur equipment is designed for images, not spectra. Beyond that, getting a RV from a spectrum is tricky and generally gives low-precision results. Only in the past couple of decades have professional techniques emerged that have allowed high-precision RVs needed to detect planets.
 

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