| S Cephei | |
| Appmag V: | 6.6 - 12.5 |
| Epoch: | J2000 |
| Distance: | 488.950 parsecs |
S Cephei (S Cep), also designated as HD 206362, is a carbon star and Mira-type variable in the constellation Cepheus. Based on the measurement of its annual parallax by the Gaia satellite, the star is approximately ∼1,590 ly (∼487 pc) away from Earth.
The Gaia satellite shows anomalies in the proper motion of S Cephei compared to its long-term proper motion. These anomalies could indicate the presence of an orbiting companion such as a red dwarf or a brown dwarf.[1]
S Cephei is a carbon star of spectral type C7.3e. It is also a Mira-type variable star whose apparent magnitude varies from 6.6 to 12.5 in the form of a pulsation over a period of 484 days. Its variability was discovered by Karl Hencke in 1858.[2]