# Theta Cephei

> binary star system in the constellation Cepheus

**Wikidata**: [Q3232653](https://www.wikidata.org/wiki/Q3232653)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Theta_Cephei)  
**Source**: https://4ort.xyz/entity/theta-cephei


## References

1. SB9: The ninth catalogue of spectroscopic binary orbits
2. SIMBAD
3. A study of the bright A stars. I. A catalogue of spectral classifications
4. Freebase Data Dumps. 2013
5. Catalogue of Stellar Photometry in Johnson's 11-color system
6. Gaia Early Data Release 3
7. Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations
8. Microturbulence and abundances in Am stars: inferences concerning metallicism
9. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
10. Gaia Data Release 2
11. The effective temperature scale of FGK stars. I. Determination of temperatures and angular diameters with the infrared flux method