An additional note on the IR-excess of the helium-variable stars

Details An additional note on the IR-excess of the helium-variable stars An additional note on the IR-excess of the helium-variable stars

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...140..468o&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 140, no. 2, Nov. 1984, p. 468, 469.

Astronomy and Astrophysics

Astronomy

6

B Stars, Helium, Infrared Astronomy, Variable Stars, Astronomical Photometry, Background Noise, Instrument Errors, Power Spectra

Scientific paper

The infrared fluxes of two helium variable stars in Orion (HD 37479 and
HD 37017) have been reobserved at 4.8 microns using the 61-inch
telescope at Steward Observatory. It is shown that the M-band excesses
detected by Groote and Hunger (1982) are due to noise in the data and
are not real. The power spectrum of the M-band data is given.

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