ASCA and ROSAT observations of NGC 5548: discrepant spectral indices
Open Access
- 11 August 1999
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 307 (3) , 611-618
- https://doi.org/10.1046/j.1365-8711.1999.02664.x