SIMBAD references

1998A&AS..133..395B - Astron. Astrophys., Suppl. Ser., 133, 395-402 (1998/December-2)

Present performance of the dark-speckle coronagraph.

BOCCALETTI A., MOUTOU C., LABEYRIE A., KOHLER D. and VAKILI F.

Abstract (from CDS):

We present the recent developments of the dark speckle coronagraph and results obtained on two close binary stars. The central star is occulted by a Lyot coronagraphic system and the residual speckle pattern is detected on a photon-counting camera. Achromaticity is achieved across a wide spectral band, using a Wynne corrector. We observed the relatively faint companions of δ Per and η Psc and give an independent estimate of their position and magnitude difference.

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Journal keyword(s): planetary systems - stars: individual: δ Per, η Psc, η And - instrumentation: interferometers - miscellaneous

Simbad objects: 4

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