SIMBAD references

2002ApJ...573..330L - Astrophys. J., 573, 330-337 (2002/July-1)

Long-baseline interferometric observations of cepheids.

LANE B.F., CREECH-EAKMAN M.J. and NORDGREN T.E.

Abstract (from CDS):

We present observations of the Galactic Cepheids η Aql and ζ Gem. Our observations are able to resolve the diameter changes associated with pulsation. This allows us to determine the distance to the Cepheids independent of photometric observations. We determine a distance to η Aql of 320±32 pc and a distance to ζ Gem of 362±38 pc. These observations allow us to calibrate surface brightness relations for use in extragalactic distance determination. They also provide a measurement of the mean diameter of these Cepheids, which is useful in constructing structural models of this class of star.

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Journal keyword(s): Stars: Variables: Cepheids - Stars: Fundamental Parameters - Stars: Individual: Constellation Name: η Aquilae - Stars: Individual: Constellation Name: ζ Geminorum - Techniques: Interferometric

Simbad objects: 10

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