Gravitatory Lens
Observations of the "quad" MGJ0414+0534 (
Ros et al. A&A, 362, 845, 2000
).
Click to enlarge image
Observations of 1830-211 with VLBI in double frecuencies 8.4/2.3GHz (
Guirado et al. A&A, 346, 392, 1999
).
VLBI maps at
8.4GHz
and
2.3GHz
.
ATNF @5GHz (Lowell et al. 1998)
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