The star is Sun-sized and my planet will be more massive than Earth. How massive can my planet be and still be habitable. This is without its internal heat being a problem leading to its becoming a dead inhabitable world. Also, will its space civilization have problems taking off and landing on the planet because of its escape velocity?
Without antigravity generators (aka handwavium tech), a super-earth can't be colonized, unless we were cyborgs. Our structure can withstand so much stress for so much time, before a series of problems set it -bones, muscles, bloodflow, they'd be strained 24/7 to work overtime. Even with aG generators, we'd need to decompress when leaving the higher gravity environments, or the bends caused by the higher atmospheric pressure would kill us.