Observations of Paschen alpha in the broad-line radio galaxy 3C 445

Details Observations of Paschen alpha in the broad-line radio galaxy 3C 445 Observations of Paschen alpha in the broad-line radio galaxy 3C 445

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...256l...1r&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 256, May 1, 1982, p. L1-L3. NASA-NSF-supported research.

Astronomy and Astrophysics

Astronomy

21

Infrared Astronomy, Paschen Series, Radio Galaxies, Cosmic Dust, Infrared Telescopes, Seyfert Galaxies

Scientific paper

P alpha line flux measurements of the broad-line radio galaxy 3C 445 made at the NASA IR Telescope Facility in September 1981 are discussed. Broad-band measurements were obtained at H of 1.65 micron and K of 2.2 microns. A line flux of P alpha was found at 3.4 times 10 to the -13th ergs/sq cm sec. No discernable variation was detectable regarding measurements made in 1976. Substantial reddening was concluded to exist, although the H gamma lines observed were not due to reddening. The total H alpha luminosity was determined to be 4 x 10 to the 43rd ergs/sec. Steep Balmer line decrements are concluded to be due to interposed dust.

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