A Survey of Nearby Main-Sequence Stars for Submillimeter Emission

Details A Survey of Nearby Main-Sequence Stars for Submillimeter Emission A Survey of Nearby Main-Sequence Stars for Submillimeter Emission

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aj....125.3334h&link_type=abstract

The Astronomical Journal, Volume 125, Issue 6, pp. 3334-3343.

Astronomy and Astrophysics

Astronomy

15

Stars: Circumstellar Matter, Submillimeter Radiation, Surveys

Scientific paper

We searched for submillimeter emission around 10 Vega-type stars and one Herbig Ae star with the four-color bolometer at 1300 μm and the 19 channel bolometer array at 870 μm using the Heinrich Hertz Telescope at the Submillimeter Telescope Observatory. All of our sources were undetected at 870 μm. In the case of HD 131156, we have a 3 σ detection at 1300 μm. We report a flux of 6.25+/-1.88 mJy for the HD 131156 disk and a corresponding dust mass of 2.4+/-0.7 lunar masses. However, we did not detect HD 131156 at 870 μm, so we are cautious about the 1300 μm detection. We performed follow-up infrared observations of HD 131156 using MIRLIN at the Palomar 200 inch telescope, which resolved both components of the binary. The data are photospheric, implying that the system does not have a hot, inner dust component. We report submillimeter upper limits on fluxes for the remaining systems.

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