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Polarimetry and photometry of M87: is the jet fading

Journal Article:

Abstract

Optical linear polarization mapping and photometry of M87 is presented in B and R wavebands. The results indicate significant polarization in the galactic nucleus. Polarization in the jet in B is consistent with other recent maps obtained for this area in blue light and no significant variation with wavelength between B and R wavebands is found. The spectral index of the jet radiation is measured to be S=-1.65+-0.2 over the wavelength range observed. Comparison of the integrated B magnitude of the jet with previous independent measurements over the period 1934-80 suggests that the jet is variable and has been fading more or less uniformly by about 0.8 mag per decade between 1964 and 1980.
Authors:
Warren-Smith, R F; King, D J; Scarrott, S M [1] 
  1. Durham Univ. (UK). Dept. of Physics
Publication Date:
Sep 15, 1984
Product Type:
Journal Article
Reference Number:
AIX-16-016059; EDB-85-059923
Resource Relation:
Journal Name: Mon. Not. R. Astron. Soc.; (United Kingdom); Journal Volume: 210:2
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; GALAXIES; JETS; VISIBLE SPECTRA; EXPERIMENTAL DATA; FREQUENCY DEPENDENCE; GALAXY NUCLEI; MAPS; PHOTOMETRY; POLARIZATION; VARIATIONS; VISIBLE RADIATION; DATA; ELECTROMAGNETIC RADIATION; INFORMATION; NUMERICAL DATA; RADIATIONS; SPECTRA; 640105* - Astrophysics & Cosmology- Galaxies
OSTI ID:
5971870
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: MNRAA
Submitting Site:
HEDB
Size:
Pages: 415-424
Announcement Date:

Journal Article:

Citation Formats

Warren-Smith, R F, King, D J, and Scarrott, S M. Polarimetry and photometry of M87: is the jet fading. United Kingdom: N. p., 1984. Web.
Warren-Smith, R F, King, D J, & Scarrott, S M. Polarimetry and photometry of M87: is the jet fading. United Kingdom.
Warren-Smith, R F, King, D J, and Scarrott, S M. 1984. "Polarimetry and photometry of M87: is the jet fading." United Kingdom.
@misc{etde_5971870,
title = {Polarimetry and photometry of M87: is the jet fading}
author = {Warren-Smith, R F, King, D J, and Scarrott, S M}
abstractNote = {Optical linear polarization mapping and photometry of M87 is presented in B and R wavebands. The results indicate significant polarization in the galactic nucleus. Polarization in the jet in B is consistent with other recent maps obtained for this area in blue light and no significant variation with wavelength between B and R wavebands is found. The spectral index of the jet radiation is measured to be S=-1.65+-0.2 over the wavelength range observed. Comparison of the integrated B magnitude of the jet with previous independent measurements over the period 1934-80 suggests that the jet is variable and has been fading more or less uniformly by about 0.8 mag per decade between 1964 and 1980.}
journal = {Mon. Not. R. Astron. Soc.; (United Kingdom)}
volume = {210:2}
journal type = {AC}
place = {United Kingdom}
year = {1984}
month = {Sep}
}