Near-infrared photometry of the final helium shell flash object V4334 Sagittarii

Details Near-infrared photometry of the final helium shell flash object V4334 Sagittarii Near-infrared photometry of the final helium shell flash object V4334 Sagittarii

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999mnras.302..512k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 302, Issue 3, pp. 512-514.

Astronomy and Astrophysics

Astronomy

16

Techniques: Photometric, Stars: Agb And Post, Circumstellar Matter, Stars: Individual: V4334 Sgr, Stars: Peculiar, Infrared: Stars

Scientific paper

JHKphotometry of the final helium shell flash object V4334 Sagittarii undertaken during 1996--97 is presented in this paper. The data reveal the formation of circumstellar dust of temperature ~ 1800 K two years after outburst. Around 5 x 10^-10 M_. of dust condensed at a distance of about 7 R_* from the star. The mass of V4334 Sgr is 0.8 M_. and it had a radius of ~ 70 R_. in 1997 April--May.

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