Accretion Flow Properties of GRS 1716-249 during its 2016-17 'failed' Outburst

Abstract

In $2016-17$, the Galactic transient black hole candidate GRS 1716-249 exhibited an outburst event after a long period of quiescence of almost 23 years. The source remained in the outbursting phase for $\sim 9$ months. We study the spectral and temporal properties of the source during this outburst using archival data from four astronomy satellites, namely MAXI, Swift, NuSTAR and AstroSat. Initial spectral analysis is done using combined disk black body and power-law models. For a better understanding of the accretion flow properties, we studied spectra with the physical two component advective flow (TCAF) model. Accretion flow parameters are extracted directly from the spectral fits with the TCAF model. Low frequency quasi-periodic oscillations are also observed in the Swift/XRT and AstroSat/LAXPC data. From the nature of the variation of the spectral and temporal properties, we find the source remains in hard state during the entire outburst. It never had a transition to other states which makes this event a `failed' outburst. An absence of the softer spectral states is consistent with the class of short orbital period objects, where the source belongs to. From the spectral fit, we also estimate the probable mass of GRS~1716-249 to be in the range of $4.50-5.93M_{\odot }$ or $5.02_{-0.52}^{+0.91}{M}_{\odot }$.

18 Pages, 8 Figures, 3 Tables (in Communication)

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Cited by in corpus (8)

• Testing the Kerr black hole hypothesis with GRS 1716-249 by combining the continuum-fitting and the iron-line methods
• {\it Insight}-HXMT View of the BHC Swift J1727.8-1613 during its outburst in 2023
• Accretion Flow Properties of EXO 1846-031 During its Multi-Peaked Outburst After Long Quiescence
• Accretion Flow Properties of MAXI J1910-057/Swift J1910.2-0546 During Its 2012-13 Outburst
• Global Accretion Properties of Black Hole X-Ray Binaries: A Phenomenological Perspective
• Properties of 2017-18 'failed' Outburst of GX 339-4
• A multi-wavelength study of GRS 1716-249 in outburst : constraints on its system parameters
• A Revised Spin of the Black Hole in GRS 1716-249 with a New Distance