IXPE observation of PKS 2155–304 reveals the most highly polarized blazar

Home

All issues

Volume 689 (September 2024)

A&A, 689 (2024) A119

Full HTML

Open Access

Table 4.

Linear polarization results of PKS 2155–304 in the optical and near-IR bands.

O	Instr.	First	Last	#	$\bar{m}$ $\overline{\mathrm{m}}$	$\bar{Π}$ $\overline{\Pi}$	$\tilde{σ_{Π}}$ $\widetilde{\sigma_\Pi}$	$\bar{Ψ}$ $\overline{\Psi}$
B	PRISM	60253	60254	2	14.5	4.6%	±0.4%	100.2°
B	MOPTOP	60244	60256	5	14.4	4.7%	±0.5%	108.9°

V	PRISM	60252	60254	3	14.1	4.1%	±0.2%	101.5°
V	MOPTOP	60244	60256	6	14.0	3.7%	±0.4%	111.2°

R	PRISM	60226	60257	13	13.7	5.2% ^( † )	±0.4%	123.7°
R	MOPTOP	60244	60256	7	13.6	3.5% ^( † )	±0.4%	117.1°
R	HONIR	60245	60251	109	13.7	4.1% ^( † )	±0.2%	113.7°
R	CAFOS	60249	60253	11	13.7	3.2% ^( † )	±0.2%	101.9°
R	Belogr.	60254	60255	2	13.8	6.7% ^( † )	±0.9%	127.9°
R	HIPPO	60251	60260	254	–	2.8%	±0.3%	114.7°

I	PRISM	60252	60254	3	13.4	3.4%	±0.6%	107.2°

J	HONIR	60245	60251	99	–	3.1%	±0.4%	113.4°

Notes. O represents the optical band of the measurement. Instr. represents the instrument used to make the measurement. We note that Belogr. refers to Belogradchik Observatory. First and Last represent the first and last MJDs, on which data from the given instrument was recorded, respectively. # represents the number of data points taken via each instrument within the given the time window. $\bar{m}$ $\overline{\mathrm{m}}$ , $\bar{Π}$ $\overline{\Pi}$ , $\tilde{σ_{Π}}$ $\widetilde{\sigma_\Pi}$ , and $\bar{Ψ}$ $\overline{\Psi}$ give the average magnitude, average polarization degree, median standard deviation of the polarization degree, and average polarization angle within the time window, respectively. We note that some $\bar{Π}$ $\overline{\Pi}$ values are host-galaxy-corrected (represented by the ^( † ) symbol).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.