共 46 条
- [21] Optical-to-radio time delay in the gravitationally lensed QSO 0957+561 ASTRONOMICAL TIME SERIES, 1997, 218 : 239 - 242
- [22] Constraints on source and lens parameters from microlensing variability in QSO 0957+561 A,B GRAVITATIONAL LENSING: RECENT PROGRESS AND FUTURE GOALS, 2001, 237 : 197 - 200
- [25] Time delay in QSO 0957+561 from 1984-1999 optical data ASTROPHYSICAL JOURNAL, 2001, 552 (01): : 81 - 90
- [27] New radio observations of QSO 0957+561 confirm optical-to-radio time delay GALAXIES: THE THIRD DIMENSION, 2002, 282 : 352 - 353
- [28] CCD Photometry of QSO 0957+561 A & B for the period 1987–1992 using La Palma archive Astrophysics and Space Science, 2001, 275 : 385 - 389