The interstellar extinction to V4334 Sgr (Sakurai's object)

Details The interstellar extinction to V4334 Sgr (Sakurai's object) The interstellar extinction to V4334 Sgr (Sakurai's object)

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...394..971e&link_type=abstract

Astronomy and Astrophysics, v.394, p.971-974 (2002)

Astronomy and Astrophysics

Astrophysics

2

Stars: Evolution, Ism: Dust, Extinction, Infrared: Ism, Stars: Individual: V4334 Sgr, Stars: Variables: General

Scientific paper

We present an 8-13 mu m spectrum of V4334 Sgr (Sakurai's object), which shows clear evidence for the presence of a silicate absorption feature at 9.7 mu m. We argue that the feature is interstellar in origin, and on this basis we determine the interstellar extinction to V4334 Sgr to be E(B-V)=0.66+/-0.12. This is the only determination of the extinction to V4334 Sgr to date that uses direct observation of the intervening material; as the reddening using this method is refined it will be of importance in determining the distance of V4334 Sgr, and hence in modelling its evolution.

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