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Your research team analysis the light of a mysterious object in space. By using a spectrometer,
you can observe the following spectrum of the object. The Hα line peak is clearly visible at 800nm

The object is travelling at a velocity of 6.67*10⁷m/s away from us.

and is at aa distance of 894.31 Mpc

What possible type of object is your team observing?

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