Flaring of blazar S5 1803+78 continues
Active Dates: Aug. 17, 2020 – None
Abstract:
The blazar S5 1803+78 is continuing to be active following a major flare in early April 2020, when it reached V magnitude 14.1. It then faded to 15.8 V in early May. It began brightening again on August 5, reaching 14.6 V on August 7, and was 14.37 V +/- 0.007 on 2020 Aug. 17.0519 UT. S5 1803+78 has an optical range of 13.8 - 18.1 V. Observations in all filters and at as high a cadence as a good S/N allows are requested. Visual observations are also welcome.
Justification:
Blazar S5 1803+78 is showing significant flaring activity which requires continuous monitoring to understand its behavior and characteristics.
Requested Data Types:
Photometry
Targets
| Name | Magnitude | Variability Type | Photometry Notes | Spectroscopy Notes |
|---|---|---|---|---|
| S5 1803+78 | 13.80 | BLLAC |
Cadence: Not Specified Precision: 100 |
Not Requested |
Spectroscopy Lines:
No spectroscopy lines provided
Photometry Filters:
No photometry filters provided
Comparison Stars:
No comparison stars provided
Co-Authorship
Observers are not eligible for co-authorship.
Additional Observer Input:
Not provided
Additional Submission Location:
Not provided
Forum URL
https://forums.aavso.org//t/observing-campaign-717-flaring-of-blazar-s5-1803-78-continues/342
Notes:
Principal Investigator: Dave Hinzel; Imported Campaign (Alert Notice #717)