# List of stars with resolved images

The following is a list of stars with resolved images, that is, stars whose images have been resolved beyond a point source. Aside from the Sun, observed from Earth, stars are exceedingly small in apparent size, requiring the use of special high-resolution equipment and techniques to image. For example, Betelgeuse, the first star other than the Sun to be resolved, has an angular diameter of only 50milliarcseconds (mas).

## List

List of stars with resolved images :
| Star | Image | Diameter | Diameter | Distance (ly) | First imager | Year | Notes |
| Star | Image | Angular (mas) | Geometric (Sun = 1) | Distance (ly) | First imager | Year | Notes |
| Sun | | 2000000 | 1 | 0.0000158 | Louis Fizeau and Léon Foucault | 1845 | |
| Altair α Aql | | 3.2 | 1.66±0.01 (polar) 2.02±0.01 (equator) | 16.77±0.08 | CHARA array – MIRC | 2006 | |
| Rasalhague α Oph A | | 1.62±0.03 | 2.39±0.01 (polar) 2.87±0.02 (equator) | 48.6±0.8 | CHARA array – MIRC | 2006 | |
| Alderamin α Cep | | 1.35±0.02 (polar) 1.75±0.03 (equator) | 2.20±0.04 (polar) 2.74±0.04 (equator) | 48.8±0.36 | CHARA array – MIRC | 2006 | |
| Caph β Cas | | 1.70±0.04 | 3.1±0.1 (polar) 3.8±0.1 (equator) | 54.7±0.3 | CHARA array – MIRC | 2007 | |
| Regulus α Leo Aa | | 1.24±0.02 | 3.2±0.1 (polar) 4.2±0.1 (equator) | 79.3±0.7 | CHARA array – MIRC | 2008 | |
| Algol β Per Aa1 | | 0.88±0.05 | 4.13 | 93±2 | CHARA array – MIRC | 2006 | stationary object in the animation |
| β Per Aa2 | | 1.12±0.07 | 3 | 93±2 | CHARA array – MIRC | 2006 | orbiting object in the animation |
| β Per Ab | | 0.56±0.10 | 0.9 | 93±2 | | | Observed radius of Algol Ab is an instrumental artifact, caused by bandwidth smearing. Actual radius is 1.73 ± 0.33 R$_☉$. |
| Alkaid η UMa | | 0.834±0.060 | 2.86±0.21 | 103.9±0.8 | CHARA array | 2012 | |
| Markab α Peg | | 1.052±0.066 | 4.62±0.29 | 133±1 | CHARA array | 2012 | |
| Elnath β Tau | | 1.09±0.076 | 4.82±0.34 | 134±2 | CHARA array | 2012 | |
| SU Per | | 3.53±0.09 | 1044+31 −21–1139+34 −23 | 7,250$^{+470}$ $_{−420}$ | CHARA array | 2015 | |
| σ Gem A | | 2.425 | 10.1±0.4 | 126±2 | CHARA array/MIRC | 2011 | The star contains starspots on its surface |
| ζ And Aa | | 2.502±0.008 | 15.0±0.8 (polar) | 189±3 | CFHT | 1996 | First direct imaging of starspots on a star outside the Solar System. |
| R Dor | | 57±5 | 370±50 | 204±9 | New Technology Telescope | 1993 | 2nd largest known star by apparent diameter in Earth's sky, after the Sun. |
| Mira ο Cet A | | 28.9–34.9 | 332–402 | 420 | Hubble – FOC | 1997 | |
| Polaris α UMi Aa | | 3.143±0.027 | 46.27±0.42 | 446±1 | CHARA array | 2024 | |
| T Lep | | 5.8 15 for molecular layer | 100 | 500 | Very Large Telescope – VLTI/AMBER | 2009 | |
| π$^1$ Gru | | 21 | 370 | 535 | Very Large Telescope – VLTI/PIONIER | 2017 | First directly observed granulation patterns on a star's surface outside the Solar System. |
| Antares α Sco A | | 41.3±0.1 | 680 | 553 | Very Large Telescope – VLTI/AMBER | 2017 | |
| Betelgeuse α Ori | | 50 | 640–764 | 643±146 | Hubble – GHRS | 1995 | First star with a resolved image outside the Solar System. |
| Sheliak β Lyr Aa | | 0.46 | 6 | 960±50 | CHARA array – MIRC | 2007 | Both Aa1 and Aa2 are visible in the animation. |
| R Scl | | 8.9±0.3 | 355±55 | 1180±140 | Very Large Telescope – AMBER | 2017 | |
| θ$^1$ Ori C | | 0.2 | 10.6±1.5 | 1400 | Very Large Telescope – AMBER | 2009 | In the image, the right inset is θ$^1$ Ori C and the left inset is θ$^1$ Ori F. |
| θ$^1$ Ori F | | | | | Very Large Telescope – VLTI/GRAVITY | 2016 | In the image, the right inset is θ$^1$ Ori C and the left inset is θ$^1$ Ori F. |
| ε Aur | | 2.22±0.10 | 143–358 | 2000–4800 | CHARA array – MIRC | 2009 | Supergiant with an eclipsing companion surrounded by a massive, opaque debris disk |
| AZ Cyg | | 4.05±0.01 | 911+57 −50 | 6820+420 −380 | CHARA array – MIRC | 2011 | |
| ρ Cas | | 2.09±0.02 | 564-700 | 8150±1630 | CHARA array | 2024 | |
| RW Cep | | 2.45 | 1100±44 | 11000+4600 −2600–22000+5200 −3300 | CHARA array – MIRC-X and MYSTIC | 2022 | Hypergiant star currently undergoing a great dimming event |
| HR 5171 Aa | | 4.1±0.8 | 1060–1160 | 11740±1630 | Very Large Telescope – VLTI/PIONIER | 2014 | Eclipsing and potential contact binary yellow hypergiant |
| WOH G64 | | | 800 | ca. 160 000 | Very Large Telescope – VLTI/GRAVITY | 2024 | Star is in the Large Magellanic Cloud. First resolved image of star outside of the Milky Way. |