Near-infrared spectrophotometry of FU Orionis variables

Details Near-infrared spectrophotometry of FU Orionis variables Near-infrared spectrophotometry of FU Orionis variables

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...398..273s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 398, no. 1, p. 273-277.

Astronomy and Astrophysics

Astrophysics

15

Infrared Spectroscopy, Stellar Envelopes, Stellar Spectrophotometry, T Tauri Stars, Variable Stars, Absorption Spectra, Near Infrared Radiation, Spectral Energy Distribution, Stellar Spectra, Stellar Temperature, Water Vapor

Scientific paper

Low-resolution NIR spectrophotometry of FU Orionis (FUOrs) variables was performed in order to obtain information on color temperatures of hot dust grains and water vapor, and CO absorption features. Water vapor absorption features at 1.4 and 1.9 micron and CO around 2.4 microns were detected in all the six observed objects. Assuming that the presence of water vapor is linked to the FU Orionis eruption, it is suggested that water vapor originated from the vaporization of icy mantles or crystalline water trapped within or onto trains of planetesimals.

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