Correlated Radio and Optical Variability in the BL Lacertae Object 0716+714
Abstract
We present results from simultaneous optical and radio observations of the BL Lacertae object 0716+714. During a 4 week period of continuous monitoring the source displayed in both wavelength regimes a transition between states of fast and slow variability with a change of the typical variability time scale from 1 day to 7 days. We interpret the simultaneous transition as evidence for intrinsic source variability, and we discuss some consequences for the optical and radio emission regions.
- Publication:
-
The Astrophysical Journal
- Pub Date:
- May 1991
- DOI:
- 10.1086/186026
- Bibcode:
- 1991ApJ...372L..71Q
- Keywords:
-
- Bl Lacertae Objects;
- Quasars;
- Radio Astronomy;
- Radio Jets (Astronomy);
- Radio Sources (Astronomy);
- Data Reduction;
- Light Curve;
- Very Large Array (Vla);
- Astrophysics;
- BL LACERTAE OBJECTS;
- GALAXIES: JETS;
- GALAXIES: NUCLEI;
- QUASARS;
- RADIO SOURCES: VARIABLE