Multiplicity of Chemically Peculiar Stars View Full Text


Ontology type: schema:Chapter      Open Access: True


Chapter Info

DATE

2008-01-01

AUTHORS

Swetlana Hubrig , Nancy Ageorges , Markus Schöller

ABSTRACT

Recently, with the goal to study multiplicity of chemically peculiar stars, we carried out a survey of 40 stars using diffraction limited near infrared (IR) imaging with NAOS-CONICA (NACO) at the VLT. Here, we announce the detection of 27 near IR companion candidates around 25 late B-type chemically peculiar stars exhibiting strong overabundances of the chemical elements Hg and Mn in their atmospheres. A key point for the understanding of the abundance patterns in these stars may be connected with binarity and multiplicity. It is intriguing that more than half of the sample of HgMn stars studied previously by speckle interferometry and recently using the adaptive optics system NACO belong to multiple systems. More... »

PAGES

155-161

Book

TITLE

Multiple Stars Across the H-R Diagram

ISBN

978-3-540-74744-4
978-3-540-74745-1

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-540-74745-1_22

DOI

http://dx.doi.org/10.1007/978-3-540-74745-1_22

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1051305212


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