probably more reasonable to suggest we can travel 1/10 the speed of light — thus 200 years. Still reachable. However this planet is locked facing its sun so the likely potentially habitable area is a narrow band around its equator — thus much of the planet would be inhabitable.
Actually, the “band of life” would be around the terminator, the direction of which would depend on the orientation of the axis against the plane of orbit (earth’s is 23.5 degrees). Any angle of axis at all would create “seasons” becaus the terminator would shift during its orbit around the star.
One question the articles haven’t answered: How did they conclude that there was a tidal lock? I doubt our telescopes have the resolution to reveal surface details.