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Table 1

Stellar parameters for each target.

Target Spectral type Teff (K) log  g mV M (M)

μ Cep M2eIa 3750 –0.36 4.10 25
α1 Her M5Ib-II(+G8III+A9IV-V) 3280 0.0 3.35 2.5
CE Tau M2Iab-Ib 3510 0.0 4.30 15
ρ Cas G2Ia0e 6000 0.25 4.59
α Ori M1-M2Ia-ab 3780 0.08 0.42 15

Notes. The visual magnitudes (mV) are taken from the SIMBAD database. Stellar parameters (Teff; log  g; M (M)) are taken from Levesque et al. (2005) for α1 Her, CE Tau, μ Cep and α Ori (α Ori is shown here for comparison) and from Boiarchuk & Liubimkov (1983) for ρ Cas.

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