PDF) Revealing the nature of the ULX and X-ray population of the spiral galaxy NGC 4088

Galaxies, Free Full-Text

NGC 3982 - Wikipedia

PDF] Old and Young X-Ray Point Source Populations in Nearby Galaxies

NGC 4088 - Intermediate Spiral Galaxy in Ursa Major

PDF) Optical counterparts of the nearest ultraluminous X-ray sources

NGC 4088 - Wikipedia

PDF) Optical counterparts of the nearest ultraluminous X-ray sources

Astronomers discover eight ultraluminous X-ray sources in NGC 1559

PDF] Associated spectral and temporal state transition of the bright ULX NGC 1313 X-1