确认M31中的恒星J004229.87$+$410551.8为B[e]-超巨星

Proceedings of The Multifaceted Universe: Theory and Observations - 2022 — PoS(MUTO2022) Pub Date : 2022-09-27 DOI:10.22323/1.425.0047

A. Sarkisyan, A. Vinokurov, Solovyeva Yu., K. Atapin, O. Sholukhova, S. Fabrika, D. Bizyaev

{"title":"确认M31中的恒星J004229.87$+$410551.8为B[e]-超巨星","authors":"A. Sarkisyan, A. Vinokurov, Solovyeva Yu., K. Atapin, O. Sholukhova, S. Fabrika, D. Bizyaev","doi":"10.22323/1.425.0047","DOIUrl":null,"url":null,"abstract":"We study the luminous blue variable candidate J004229.87+410551.8 in the Andromeda Galaxy. Earlier, the star displayed a spectral anomaly: although a hot emission spectrum had been detected, it had strong Ca ii H and K absorption lines. Subsequently the star was assumed to be a hot hypergiant or a B[e] supergiant. For the purpose of clear star classiﬁcation, we conducted spectroscopic and photometric analysis of the object and its surroundings with the 6-m telescope of SAO RAS, the 3.5-m ARC telescope of the Apache Point Observatory and the 2.5-m telescope of the Caucasus Mountain Observatory of the Sternberg Astronomical Institute. The spectrum of the star has the Fe ii, [Fe ii], [O i], and Balmer emission lines. Its spectral energy distribution shows an excess in the near-infrared range due to hot circumstellar dust. The indicated features and a high estimated value of star’s luminosity (log ( 𝐿 / 𝐿 (cid:12) ) = 4 . 6 ± 0 . 2) allow us to ﬁnally classify the object as a B[e] supergiant. Multifaceted Universe: Theory","PeriodicalId":355234,"journal":{"name":"Proceedings of The Multifaceted Universe: Theory and Observations - 2022 — PoS(MUTO2022)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Confirmation of the star J004229.87$+$410551.8 in M31 as B[e]-supergiant\",\"authors\":\"A. Sarkisyan, A. Vinokurov, Solovyeva Yu., K. Atapin, O. Sholukhova, S. Fabrika, D. Bizyaev\",\"doi\":\"10.22323/1.425.0047\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We study the luminous blue variable candidate J004229.87+410551.8 in the Andromeda Galaxy. Earlier, the star displayed a spectral anomaly: although a hot emission spectrum had been detected, it had strong Ca ii H and K absorption lines. Subsequently the star was assumed to be a hot hypergiant or a B[e] supergiant. For the purpose of clear star classiﬁcation, we conducted spectroscopic and photometric analysis of the object and its surroundings with the 6-m telescope of SAO RAS, the 3.5-m ARC telescope of the Apache Point Observatory and the 2.5-m telescope of the Caucasus Mountain Observatory of the Sternberg Astronomical Institute. The spectrum of the star has the Fe ii, [Fe ii], [O i], and Balmer emission lines. Its spectral energy distribution shows an excess in the near-infrared range due to hot circumstellar dust. The indicated features and a high estimated value of star’s luminosity (log ( 𝐿 / 𝐿 (cid:12) ) = 4 . 6 ± 0 . 2) allow us to ﬁnally classify the object as a B[e] supergiant. Multifaceted Universe: Theory\",\"PeriodicalId\":355234,\"journal\":{\"name\":\"Proceedings of The Multifaceted Universe: Theory and Observations - 2022 — PoS(MUTO2022)\",\"volume\":\"15 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-09-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of The Multifaceted Universe: Theory and Observations - 2022 — PoS(MUTO2022)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.22323/1.425.0047\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of The Multifaceted Universe: Theory and Observations - 2022 — PoS(MUTO2022)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.22323/1.425.0047","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 0

摘要

我们研究了仙女座星系中的亮蓝色候选变量J004229.87+410551.8。早些时候，这颗恒星显示出光谱异常:虽然探测到热发射光谱，但它有很强的钙、氢和钾吸收谱线。随后，这颗恒星被认为是一颗热超巨星或B[e]超巨星。为了清晰地进行恒星分类，我们使用了SAO RAS的6 m望远镜、Apache Point天文台的3.5 m ARC望远镜和Sternberg天文研究所高加索山天文台的2.5 m望远镜对该天体及其周围进行了光谱和光度分析。该恒星的光谱有Fe ii， [Fe ii]， [O i]和Balmer发射线。它的光谱能量分布在近红外范围内显示出由于热星周尘埃而产生的过剩。所指示的特征和恒星亮度的高估定值(log(𝐿/𝐿(cid:12)) = 4。6±0。2)使我们最终将该天体归类为B[e]超巨星。多面宇宙:理论

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Confirmation of the star J004229.87$+$410551.8 in M31 as B[e]-supergiant

We study the luminous blue variable candidate J004229.87+410551.8 in the Andromeda Galaxy. Earlier, the star displayed a spectral anomaly: although a hot emission spectrum had been detected, it had strong Ca ii H and K absorption lines. Subsequently the star was assumed to be a hot hypergiant or a B[e] supergiant. For the purpose of clear star classiﬁcation, we conducted spectroscopic and photometric analysis of the object and its surroundings with the 6-m telescope of SAO RAS, the 3.5-m ARC telescope of the Apache Point Observatory and the 2.5-m telescope of the Caucasus Mountain Observatory of the Sternberg Astronomical Institute. The spectrum of the star has the Fe ii, [Fe ii], [O i], and Balmer emission lines. Its spectral energy distribution shows an excess in the near-infrared range due to hot circumstellar dust. The indicated features and a high estimated value of star’s luminosity (log ( 𝐿 / 𝐿 (cid:12) ) = 4 . 6 ± 0 . 2) allow us to ﬁnally classify the object as a B[e] supergiant. Multifaceted Universe: Theory

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Proceedings of The Multifaceted Universe: Theory and Observations - 2022 — PoS(MUTO2022)

自引率

0.00%

发文量