Pismis 4

Number of stars per data source

	Reference  204 :    1 star

References

 204

Knude J.K.

(1977) Astron. Astrophys. Suppl. 30, 297

Photoelectric ubvy and Hbeta photometry of 750 A and F stars in 63 selected areas with b less than 30

1977A&AS...30..297K