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
收藏
页码：512 / 514
页数：3
相关论文
共 22 条
  • [1] Freshly ionized matter around the final helium shell flash object V4334 Sagittarii (Sakurai's object)
    Kerber, F
    Pirzkal, N
    De Marco, O
    Asplund, M
    Clayton, GC
    Rosa, MR
    ASTROPHYSICAL JOURNAL, 2002, 581 (01) : L39 - L42
  • [2] The rise and fall of V4334 Sagittarii (Sakurai's object)
    Duerbeck, HW
    Liller, W
    Sterken, C
    Benetti, S
    van Genderen, AM
    Arts, J
    Kurk, JD
    Janson, M
    Voskes, T
    Brogt, E
    Arentoft, T
    van der Meer, A
    Dijkstra, R
    ASTRONOMICAL JOURNAL, 2000, 119 (05) : 2360 - 2375
  • [3] Infrared spectroscopy of V4334 Sgr (Sakurai's Object)
    Lynch, DK
    Rudy, RJ
    Russell, RW
    Rice, CJ
    Mazuk, S
    Venturini, C
    Puetter, RC
    Sitko, ML
    Cutri, R
    ASTROPHYSICS AND SPACE SCIENCE, 2002, 279 (1-2) : 57 - 64
  • [4] Infrared Observations of the Final Flash Stars V4334 Sgr and V605 Aql
    Kenneth Hinkle
    Richard Joyce
    Astrophysics and Space Science, 2002, 279 : 51 - 56
  • [5] Infrared observations of the final flash stars V4334 Sgr and V605 Aql
    Hinkle, K
    Joyce, R
    ASTROPHYSICS AND SPACE SCIENCE, 2002, 279 (1-2) : 51 - 56
  • [6] Infrared Spectroscopy of V4334 Sgr (Sakurai's Object)
    David K. Lynch
    Richard J. Rudy
    Ray W. Russell
    Carl J. Rice
    Stephan Mazuk
    Catherine Venturini
    Richard C. Puetter
    Michael L. Sitko
    Roc Cutri
    Astrophysics and Space Science, 2002, 279 : 57 - 64
  • [7] Strong helium 10830-Å absorption in Sakurai's object (V4334 Sgr)
    Eyres, SPS
    Smalley, B
    Geballe, TR
    Evans, A
    Asplund, M
    Tyne, VH
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1999, 307 (01) : L11 - L15
  • [8] The evolution of V4334 Sgr (Sakurai's object) in the Mid-Infrared
    Käufl, HU
    Koller, J
    Kerber, F
    ASTRONOMY & ASTROPHYSICS, 2003, 406 (03): : 981 - 985
  • [9] Sakurai's Object (V4334 Sgr): evolution of the dust shell from 1999 to 2001
    Tyne, VH
    Evans, A
    Geballe, TR
    Eyres, SPS
    Smalley, B
    Duerbeck, HW
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2002, 334 (04) : 875 - 882
  • [10] The continuing saga of Sakurai's object (V4334 Sgr): dust production and helium line emission
    Tyne, VH
    Eyres, SPS
    Geballe, TR
    Evans, A
    Smalley, B
    Duerbeck, HW
    Asplund, M
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2000, 315 (03) : 595 - 599
123