# PG 1621+476
**Wikidata**: [Q113866525](https://www.wikidata.org/wiki/Q113866525)  
**Source**: https://4ort.xyz/entity/q113866525


## References

1. EC 10246-2707: an eclipsing subdwarf B + M dwarf binary
2. SIMBAD
3. Application of convolutional neural networks for stellar spectral classification
4. Physical Properties of 29 sdB+dM Eclipsing Binaries in Zwicky Transient Facility
5. Gaia Early Data Release 3
6. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Fourth USNO CCD Astrograph Catalog
9. Hot subdwarf binaries from the MUCHFUSS project
10. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4
11. Binaries discovered by the MUCHFUSS project. SDSS J162256.66+473051.1: An eclipsing subdwarf B binary with a brown dwarf companion