MAXI J1957+032 is a transient Low-mass X-ray binary ( LMXB ) that underwent four short outbursts in 1.5 years since its discovery in 2015 .
The nature of the compact object in MAXI J1957+032 is not clear , but it was proposed to be a neutron star based on the short-duration of its outbursts .
Here , we report the results obtained after performing spectral analysis using data obtained with the X-ray telescope aboard the Neil Gehrels Swift satellite .
When describing the spectrum with an absorbed power law , we found that the spectra softens ( the power-law index increases from \sim 1.8 to 2.5 ) as the luminosity decreases .
Near the end of its outbursts the observed value of power-law index ( \Gamma ) is \sim 2.5 .
To identify the nature of the compact object in this system , we used \Gamma as a tracer of the spectral evolution with luminosity .
We found that for the distance of 4 kpc , our results suggest that the source harbours a neutron star .