On the effective vibrational temperature of the source using (2)3∏ - X3∏ system of GeC molecule

Abstract

In this work, the experimental potential energy curves for ${\left(2\right)}^3\Pi$ and $X^3\Pi$ electronic states of GeC molecule have been constructed by using Rydberg-Klein-Rees (RKR) method. The radiative transition parameters viz., Franck-Condon (FC) factor, r-centroid, electronic transition moment, band strength, relative band strength, Einstein coefficients, radiative lifetime and oscillator strength for the ${\left(2\right)}^3\Pi -X^3\Pi$ system of GeC molecule have been estimated for the experimentally observed vibrational levels from Rydberg-Klein-Rees (RKR) potential and the estimated values are tabulated. The estimated effective vibrational temperature found as 5628 K for the ${\left(2\right)}^3\Pi -X^3\Pi$ system of GeC molecule. The radiative transition parameters and effective vibrational temperature are evident that the possible presence of GeC molecule in solar and sunspots atmosphere. Further, these parameters are employed in rationalizations of astrochemical and astrophysical observations.