description HD 192263 b Overview
HD 192263 b is a giant exoplanet orbiting the K-type star HD 192263. It completes one orbit in roughly 24 days and was identified through variations in the star's radial velocity. The planet was announced in 2000, but its interpretation was complicated because stellar activity produced a signal that initially resembled the effect of an orbiting planet. The case illustrates why radial-velocity detections require activity checks, especially for active stars.
help HD 192263 b FAQ
What is HD 192263 b?
HD 192263 b is a giant exoplanet orbiting the K-type star HD 192263. It completes an orbit in roughly 24 days.
How was HD 192263 b detected?
The planet was identified through variations in its star's radial velocity. This method infers a planet from the small motion caused by its gravity.
When was HD 192263 b announced?
HD 192263 b was announced in 2000. Its interpretation received extra scrutiny because activity on the star could also create apparent radial-velocity changes.
Why was stellar activity important for HD 192263 b?
Starspots and other forms of stellar activity can imitate the motion expected from an orbiting planet. For HD 192263 b, that activity complicated the interpretation of the original signal.
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