| Issuer | Austria |
| Year | 2023 |
| Type | Non-circulating coin |
| Value | 20 Euros |
| Currency | Euro (2002-date) |
| Composition | Silver (.925) |
| Weight | 22.42 g |
| Dimensions | 34 mm |
| Thickness | |
| Shape and Technique | Round (irregular, Incuse / relief hemisphere at center) Milled, Coloured |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#3358 |
| Obverse description | The words ‘crust’ and ‘core’ are marked in German on the coin’s obverse. ‘Crab pulsar’ is the name of a neutron star that was created from a supernova in the year 1054, while ‘1,4 M ’ refers to the neutron star’s solar mass, ‘30rps’ to its rotation speed per second and ‘r~10km’ to its radius. |
| Obverse script | Latin |
| Obverse lettering | 2023 REPUBLIK OESTERREICH 20 EURO
KRUSTE KERN
r ~ 10 km
30rps 1,4 M ⊚
KREBSPULSAR (Translation: 2023 Republic of Austria 20 Euro Crust Core Radius ~ 10 kilometers 30 revolutions per second, 1.4 solar masses Crab Pulsar) |
| Reverse description | On the coin’s reverse, the neutron star bulges through a coloured imprint and a stylised representation of its magnetic field. |
| Reverse script | Latin |
| Reverse lettering | NEUTRONENSTERN (Translation: Neutron star) |
| Edge | Smooth |
| Mint | |
| Mintage | 2023 - Proof - 30 000 |
| Catalog ID | 1158732750 |
| Comments |
