Spectral type: M2.5 Metallicity: [Fe/H] = +0.25 ?
A red-dwarf star, GJ 436 is the central component of the GJ 436 system. Also known as Gliese 436 and HIP 57087. The star has several planetary companions, known as GJ 436 b, UCF-1.01 and UCF-1.02.
