共 50 条
- [32] THE BROAD-BAND X-RAY-SPECTRUM OF THE NUCLEUS OF M81 ASTROPHYSICAL JOURNAL, 1993, 418 (02): : 644 - 652
- [35] The ultraluminous M81 X-9 source: 20 years variability and spectral states ASTROPHYSICAL JOURNAL, 2001, 556 (01): : 47 - 58
- [36] The core-jet radio source in the center of M81 GALAXIES AND THEIR CONSTITUENTS AT THE HIGHEST ANGULAR RESOLUTIONS, 2001, (205): : 42 - 43
- [37] High-resolution X-ray spectroscopy of a low-luminosity active galactic nucleus: The structure and dynamics of M81 ASTROPHYSICAL JOURNAL, 2007, 669 (02): : 830 - 840
- [38] Revealing a cool accretion disk in the ultraluminous X-ray source M81 X-9 (Holmberg IX X-1): Evidence for an intermediate-mass black hole ASTROPHYSICAL JOURNAL, 2004, 607 (02): : 931 - 938
- [40] X-Ray Flares in the Long-term Light Curve of Low-luminosity Active Galactic Nucleus M81* ASTROPHYSICAL JOURNAL, 2023, 950 (02):