# HD 195019

> multiple star

**Wikidata**: [Q1563247](https://www.wikidata.org/wiki/Q1563247)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HD_195019)  
**Source**: https://4ort.xyz/entity/hd-195019


## References

1. SIMBAD
2. The Physical Basis of Luminosity Classification in the Late A-, F-, and Early G-Type Stars. I. Precise Spectral Types for 372 Stars
3. Visual multiples. VIII. 1000 MK types
4. Freebase Data Dumps. 2013
5. UBV photometry of stars whose positions are accurately known. V
6. The USNO-B Catalog
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. Extrasolar Planets Encyclopaedia
10. Gaia Data Release 2
11. The Planet‐Metallicity Correlation
12. Gaia Data Release 2. The catalogue of radial velocity standard stars
13. Detailed chemical compositions of planet-hosting stars - I. Exploration of possible planet signatures
14. Age consistency between exoplanet hosts and field stars
15. Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants
16. The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
17. On the ages of exoplanet host stars