# Q85821997

> variable star

**Wikidata**: [Q85821997](https://www.wikidata.org/wiki/Q85821997)  
**Source**: https://4ort.xyz/entity/q85821997


## References

1. SIMBAD
2. Proper motions in the galactic cluster M 67
3. Kinematic parameters and membership probabilities of open clusters in the Bordeaux PM2000 catalogue
4. The infrared Ca II triplet as metallicity indicator
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Stellar radial velocities in the old open cluster M67 (NGC 2682). I. Memberships, binaries, and kinematics
7. CCD photometry of old open cluster M 67
8. Gaia Data Release 2
9. Spectroscopy of blue stragglers and turnoff stars in M67 (NGC 2682)