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

被引：14

作者：

Kamath, US ^{[1
]}

Ashok, NM ^{[1
]}

机构：

[1] Phys Res Lab, Astron & Astrophys Div, Ahmedabad 380009, Gujarat, India

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1999年 / 302卷 / 03期

关键词：

techniques : photometric; stars : AGB and post-AGB; circumstellar matter; stars : individual : V4334 Sgr; stars : peculiar; infrared : stars;

D O I：

10.1046/j.1365-8711.1999.02142.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

JHK photometry 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 similar to 1800 K two years after outburst. Around 5 x 10(-10) M-circle dot of dust condensed at a distance of about 7R* from the star. The mass of V4334 Sgr is 0.8 M-circle dot and it had a radius of similar to 70 R-circle dot in 1997 April-May.

引用

页码：512 / 514

页数：3