We have estimated a metal abundance of [Fe/H]= -0.48 ± 0.14 dex, a reddening of E(B- V)= 0.30 mag, an age of 2.0 ± 0.4 Gyr, and a distance of 7.9 ± 0.8 kpc for Tombaugh 2 using the Washington filter system.
저자
SUN-OK WEE(Department of Astronomy, Seoul National University)
MYUNG GYOON LEE(Department of Astronomy, Seoul National University)