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19992019
most citedThe metamorphosis of SN1998bw

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astro-ph2002★ 21 cited

BL Lac Identification for the Ultraluminous X-ray Source Observed in the Direction of NGC 4698

L. Foschini, L. C. Ho, N. Masetti +11

We report the identification of the optical and radio counterparts of the ultraluminous X-ray (ULX) source XMMU J124825.9+083020 (NGC4698-ULX1). The optical spectrum taken with the…