Variability survey of brightest stars in selected OB associations

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Table 4

Spectral classifications based on our observations.

Designation	Previous sp. type	Determined sp. type

V1319 Cyg	–	K0I
TYC 2697-130-1	–	F5V
V2538 Cyg	–	B1III-V
TYC 2684-1267-1	–	K5V
J02163833+5705124	M2¹	M2:
BD+56 596	B²	B0II-III
BD+56 733	OB+e:³	B1II-III
TYC 3709-420-1	–	A1V
V472 Cas	–	M4:
BD+60 358	B5⁴	B1Ve

Reference.

⁽¹⁾

Lee et al. (1943);

⁽²⁾

Skiff (2014);

⁽³⁾

Hardorp et al. (1959);

⁽⁴⁾

SIMBAD.

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