# The Bright X-Ray Source in NGC 3413

20 Aug 2018  ·  Sonbas E., Dhuga K. S., Göğüş E. ·

The emission-line dwarf galaxy NGC 3413 is known to host a bright X-ray source near its optical center. The 0.3-10 keV luminosity of this source is estimated to be approximately 10$^{39}$ erg$s^{-1}$ potentially qualifying it as an ultra-luminous X-ray (ULX) source... A recent XMM-Newton observation suggests that the source is not point-like, and instead, is more likely a composite of point-like sources with extended and/or diffuse emission. The spectral and temporal features of the bright region are similar to those associated with the so-called broadened disk state of ULXs. Based on a multi-color blackbody spectral fit, we estimate the mass of the bright source to be in the range 3 - 20M$_{\odot}$. Potential optical counterparts are also explored with the aid of available SDSS and PanStars data. read more

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High Energy Astrophysical Phenomena