R Doradus

R Doradus is a red giant star; the star with the second largest appearance size after the Sun. It is 370 times larger than the Sun.^[1] It is located in the constellation Dorado.

R Doradus Media

R Doradus in infrared, New Technology Telescope (ESO) picture
A visual band light curve for R Doradus, adapted from Bedding et al. (1998)
R Doradus is the star of greatest telescopic width (has the highest "angular dimension") as viewed from earth, other than the Sun. It is a red giant, angularly close to Alpha Reticulum.

References

↑ Carter, B. S.; Barton, J. R.; Marson, R. G.; Robertson, J. G.; von der Lühe, O.; Zijlstra, A. A.; Bedding, T. R. (21 April 1997). "The angular diameter of R Doradus: a nearby Mira-like star". Monthly Notices of the Royal Astronomical Society. 286 (4): 957–962. doi:10.1093/mnras/286.4.957 – via academic.oup.com.

This short article about science can be made longer. You can help Wikipedia by adding to it.

[1] Carter, B. S.; Barton, J. R.; Marson, R. G.; Robertson, J. G.; von der Lühe, O.; Zijlstra, A. A.; Bedding, T. R. (21 April 1997). "The angular diameter of R Doradus: a nearby Mira-like star". Monthly Notices of the Royal Astronomical Society. 286 (4): 957–962. doi:10.1093/mnras/286.4.957 – via academic.oup.com.

[1]