Cepheids in Multiple Systems: ADS 14859

Details Cepheids in Multiple Systems: ADS 14859 Cepheids in Multiple Systems: ADS 14859

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pasp..118.1545e&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 118, Issue 849, pp. 1545-1549.

Astronomy and Astrophysics

Astronomy

1

Stars: Variables: Cepheids, Stars: Binaries: General

Scientific paper

We have attempted to resolve the system containing the Cepheid V1334 Cyg (=ADS 14859) using both the Faint Object Camera (FOC) and the Fine Guidance Sensor (FGS) on the Hubble Space Telescope, and also using ground-based speckle interferometry with 4 m class instruments. None of these approaches was successful, leading to upper limits of approximately 20 mas (depending on the magnitude difference between the stars). We discuss constraints this places on a possible wide orbit as a guide to future observations.
Based on observations made with the NASA/ESA Hubble Space Telescope at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555. These observations are associated with programs GO-7478, GO-8440, and GO-8772.

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