Estimation of mass of MAXI J1659-152 during its very first outburst with TCAF fits

Aslam Ali Molla1*, S.K. Chakrabarti2,1, D. Debnath1, S. Mondal1, A. Jana1, and D. Chatterjee1
1Indian Center for Space Physics, 43 Chalantika, Garia St. Rd., Kolkata, 700084, India
2S. N. Bose National Centre for Basic Sciences, Salt Lake, Kolkata, 700098, India

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Abstract

We determine mass of MAXI J1659-152 using two different methods, viz:constant Normalization parameter point of view while fitting with TCAF, MBH - χ2red variation from TCAF fits. We find a mass range of 4.06 − 7.93 M⊙ with a most probable value at 6 ± 2M⊙.

Fig. 1


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Keywords : X-rays: binaries – stars:individual:MAXI J1659-152 – black hole physics – radiation mechanisms: general