Star Spectral Types in Euclid

Distribution of stellar spectral classes across Euclid. Yellow (G or F) stars dominate because black holes exclusively spawn in yellow systems, making them a cataloguing target.

Predicted by the Oracle

Share of 1 000 000 synthetic systems of Euclid, computed from addresses alone.

Yellow 65.6% · 655 829 systems
Purple 11.7% · 116 870 systems
Red 7.6% · 75 941 systems
Blue 7.6% · 75 908 systems
Green 7.5% · 75 452 systems

Surveyed by humans

Systems actually catalogued in Euclid, with their counts.

Yellow 90.6% 48592 systems
Green 2.3% 1223 systems
Purple 2.7% 1467 systems
Red 2.2% 1150 systems
Blue 2.2% 1179 systems

Yellow

Class G 49.3% · 26456 Class F 41.3% · 22136

Green

Class E 2.3% · 1223

Purple

Class X 1.9% · 1019 Class Y 0.8% · 448

Red

Class K 1.7% · 894 Class M 0.5% · 256

Blue

Class B 1.6% · 873 Class O 0.6% · 306
⬅ Return home ⬆ Back to top