# 70 Ophiuchi

> binary star system in the constellation Ophiuchus

**Wikidata**: [Q597037](https://www.wikidata.org/wiki/Q597037)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/70_Ophiuchi)  
**Source**: https://4ort.xyz/entity/70-ophiuchi


## References

1. SIMBAD
2. REM near-IR and optical photometric monitoring of pre-main sequence stars in Orion. Rotation periods and starspot parameters
3. Application of convolutional neural networks for stellar spectral classification
4. VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)
5. Version 2 of the Hipparcos Input Catalogue
6. VizieR Online Data Catalog: Hipparcos Input Catalogue, Version 2 (Turon+ 1993)
7. Washington Double Star Catalog
8. Freebase Data Dumps. 2013
9. Source
10. Catalogue of Stellar Photometry in Johnson's 11-color system
11. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
12. Vertical distribution of Galactic disk stars. IV. AMR and AVR from clump giants
13. On the Hipparcos accuracy using binary stars as a calibration tool
14. Gaia Data Release 2. The catalogue of radial velocity standard stars
15. The carbon-to-iron ratio of metal-rich dwarfs: an analysis of 14 Herculis
16. S⁴N: A spectroscopic survey of stars in the solar neighborhood
17. A search for Maunder-minimum candidate stars
18. VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)
19. Validation of the new Hipparcos reduction
20. SP_Ace: a new code to derive stellar parameters and elemental abundances
21. Colors and ionization equilibria in K dwarfs