Infrared photometry of open clusters - The main sequence of NGC 752

Arribas, S.; Manteiga, M.; Martinez Roger, C.; Paez, E.; Straniero, O.
Bibliographical reference

(IAU, European Regional Astronomy Meeting on New Windows to the Universe, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640X), vol. 169, no. 1-2, July 1990, p. 49-53.

Advertised on:
7
1990
Number of authors
5
IAC number of authors
0
Citations
0
Refereed citations
0
Description
New infrared photometry of a sample of 39 stars in the open cluster NGC 752 is presented. These observations confirm the bimodality of the main sequence previously reported. The nature of this behavior is analyzed on the basis of the binary hypothesis.