The mass ratio of F190 to its companion is about 5, which means that it is difficult to obtain the information of the companion except for a very high S/N.
F190与其伴星的质量比在5左右，因此，除非有非常高的信噪比，否则我们很难探测到来自伴星的信息。
The mass ratio of F190 to its companion is about 5, which means that it is difficult to obtain the information of the companion except for a very high S/N.
F190与其伴星的质量比在5左右，因此，除非有非常高的信噪比，否则我们很难探测到来自伴星的信息。
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