# Q89217705
**Wikidata**: [Q89217705](https://www.wikidata.org/wiki/Q89217705)  
**Source**: https://4ort.xyz/entity/q89217705


## References

1. SIMBAD
2. An optical spectroscopic study of T Tauri stars. I. Photospheric properties
3. ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Fourth USNO CCD Astrograph Catalog
7. Gaia Data Release 2