Time Delays in NGC 4151
Abstract
Photometric UBVRI monitoring of NGC 4151 are used to measure wavelength-dependent time delays and variability amplitudes. The time delay increases with wavelength. In a blackbody reprocessing model, this implies temperatures decreasing with radius.
- Publication:
-
Active Galactic Nuclei: From Central Engine to Host Galaxy
- Pub Date:
- 2003
- Bibcode:
- 2003ASPC..290..119O