New optical outburst of the blazar S4 0954+65
ATel #15960; Rumen Bachev (IA-NAO, BAS, Bulgaria)
on 23 Mar 2023; 01:04 UT
Credential Certification: Rumen Bachev (bachevr@astro.bas.bg)
Subjects: Optical, AGN, Blazar
The blazar S4 0954+65 has been monitored during the last several nights (2023, March 18th, 19th and 22nd) with the 0.6m telescope of Belogradchik observatory, Bulgaria. The object showed significant brightness increase, reaching an R-band magnitude of about 13.5 during the last night (22-23.03.2023). Significant polarization in the optical was also measured. Our preliminary data are listed below.
| JD |
R-mag (err) |
P (err) [%] |
EVPA (err) [deg] |
| 2460022.28 |
14.39 (0.03) |
22 (1) |
109 (3) |
| 2460023.28 |
14.79 (0.03) |
19 (1) |
82 (3) |
| 2460026.44 |
13.51 (0.03) |
33 (1) |
104 (3) |
Further observations are encouraged. This research was partially supported by the Bulgarian National Science Fund of the Ministry of Education and Science under grants KP-06-H28/3 (2018), KP-06-H38/4 (2019), KP-06-KITAJ/2 (2020) and KP-06-PN68/1(2022).
