NGC 1976

Number of stars per data source

	Reference    5 :    4 stars
	Reference   21 :    1 star

References

 5

Maitzen H.M.

(1981) Astron. Astrophys. 95, 213

Photometric evidence for the appearance of the Lambda 5200 flux depression in helium-weak stars

1981A&A....95..213M

 21

Maitzen H.M.

(1993) Astron. Astrophys. Suppl. 102, 1

Photoelectric search for peculiar stars in open clusters. XIV. NGC 1901, NGC 2169, NGC 2343, Cr 132, NGC 2423 and NGC 2447

1993A&AS..102....1M