# Q80420414

> spectroscopic binary in the constellation Cancer

**Wikidata**: [Q80420414](https://www.wikidata.org/wiki/Q80420414)  
**Source**: https://4ort.xyz/entity/q80420414


## References

1. SIMBAD
2. Moderate-resolution spectral standards from lambda-5600 to lambda-9000 Angstroms
3. Gravitational redshifts in main-sequence and giant stars
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Kinematic parameters and membership probabilities of open clusters in the Bordeaux PM2000 catalogue
6. Gaia Data Release 2
7. Stellar radial velocities in the old open cluster M67 (NGC 2682). I. Memberships, binaries, and kinematics