Polarimetry on RGB BL lacs

Conference · Mon Jun 01 04:00:00 EDT 1998

OSTI ID:14703

Heinamaki, S ^[1]; Katajainen, A; Muehleisen, S L; Nilsson, P; Pursimo, T; Schmidt, G; Sillanpaa, L O; Smith, P S

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1. LLNL

We present results on polarimetry on RGB BL Lacs. This sample has its roots in ROSAT and Green Bank catalogues. The broad band spectral energy distribution of RGB BL Lacs differs from the ''traditional'' BL Lacs, filling the gap between two extremes, HBLs and LBLs. We found that the polarization properties of the sample are also intermediate to HBLs and LBLs. The highest measured polarization was {minus}19% and {minus}60% of the objects had high polarization. Our results suggests that there is a connection between HBLs and LBLs and between the synchrotron peak frequency and the degree of polarization.

• Research Organization: Lawrence Livermore National Lab., CA (US)
• Sponsoring Organization: USDOE Office of Defense Programs (DP) (US)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 14703
• Report Number(s): UCRL-JC-132946; YN0100000; 95-ERI-006; YN0100000; 95-ERI-006
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ASTROPHYSICS
ENERGY SPECTRA
POLARIMETRY
POLARIZATION
SYNCHROTRONS
TELESCOPES