REVEALING THE NATURE OF THE ULX AND X-RAY POPULATION OF THE SPIRAL GALAXY NGC 4088 - IOPscience
NGC 4088 - Wikipedia
Ultraluminous X-ray sources - ScienceDirect
Picture gallery - NGC 4088
PDF] Associated spectral and temporal state transition of the bright ULX NGC 1313 X-1
PDF] The resolved structure of the extragalactic supernova remnant SNR 4449−1
NuSTAR Spots Mysterious Source of Ultraluminous X-Rays in Nearby Spiral Galaxy
PDF] The resolved structure of the extragalactic supernova remnant SNR 4449−1
NGC 2608 - Wikipedia
PDF] The resolved structure of the extragalactic supernova remnant SNR 4449−1
PDF) Revealing the nature of the ULX and X-ray population of the spiral galaxy NGC 4088
PDF) Revealing the nature of the ULX and X-ray population of the spiral galaxy NGC 4088