Age determination of possible binary open clusters NGC 2383/NGC 2384 and Pismis 6/Pismis 8

Valentin Kopchev, Petko Nedialkov, Georgy Petrov

Based on 2MASS J and Ks photometry for the open star clusters NGC 2383, NGC 2384,Pismis 6, Pismis 8 and using color magnitude diagrams with isochrones fit, we found an age of $\log…