The spectrum of the halo surrounding the quasar PHL 1070

Details The spectrum of the halo surrounding the quasar PHL 1070 The spectrum of the halo surrounding the quasar PHL 1070

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...219..381m&link_type=abstract

Astrophysical Journal, Part 1, vol. 219, Jan. 15, 1978, p. 381-386.

Astronomy and Astrophysics

Astrophysics

22

Astronomical Spectroscopy, Halos, Quasars, Red Shift, Spectrophotometry, Absorption Spectra, Astronomical Photometry, Data Reduction, Emission Spectra, Interstellar Extinction, Spectral Energy Distribution

Scientific paper

The quasar PHL 1070 and its surrounding halo of light have been observed with the Palomar multichannel spectrophotometer using circular and annular apertures. The central quasar has a magnitude of 16.6 and an emission-line redshift of 0.076 + or - 0.002. The halo light has a magnitude of 19.0 and a possible absorption-line system with an absorption redshift of 0.067 + or - 0.008. The magnitude, possible absorption lines, and probable spectral energy distribution of the halo are consistent with those of a normal galaxy at the redshift of the quasar.

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