IRAS 17213-3841: A Late-type Carbon-rich Star or An Early-type Emission-line Star?

Chen Pei-sheng; Zhang Pin

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IRAS 17213-3841: A Late-type Carbon-rich Star or An Early-type Emission-line Star?

机译：IRAS 17213-3841：晚型富碳星还是早型排放线星？

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IRAS 17213-3841 is listed in a new edition of the Catalogue of Carbon Stars as a carbon-rich star. However, the IRAS low-resolution spectrum of the star shows the oxygen-rich silicate emission feature. Spectral observations show that the star is an early-type emission-line star near the zero age main sequence with spectral type 09/B0, and is not a carbon star. Therefore it should be removed from the catalogue of carbon stars. The near infrared-IRAS two-colour diagram method used to identify IRAS 17213-3841 as a carbon star is not completely reliable and care should be exercised when using it for identification of carbon stars.

机译：IRAS 17213-3841在新版《碳星目录》中被列为富碳星。但是，恒星的IRAS低分辨率光谱显示出富氧的硅酸盐发射特征。光谱观测表明，该恒星是光谱类型为09 / B0的零年龄主序列附近的早期型发射线恒星，而不是碳恒星。因此，应将其从碳星目录中删除。用于将IRAS 17213-3841识别为碳星的近红外IRAS两色图方法并不完全可靠，在使用它识别碳星时应格外小心。

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《Chinese Astronomy and Astrophysics》 |2004年第2期|共6页
作者
Chen Pei-sheng; Zhang Pin;
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正文语种 eng
中图分类天文学;
关键词
star: carbon; star: early-type; star: emission line; infrared: star;

机译：星：碳;星：早期型;星：发射线;红外：星;

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专利

1. IRAS 17213-3841: A Late-type Carbon-rich Star or An Early-type Emission-line Star? [J] . Chen Pei-sheng, Zhang Pin Chinese Astronomy and Astrophysics . 2004,第2期

机译：IRAS 17213-3841：晚型富碳星还是早型排放线星？
2. X-ray emission-line profiles of three early-type stars observed with Chandra [J] . Yamamoto N, Takano H, Kitamoto S, PASJ: Publications of the Astronomical Society of Japan . 2007,第1期

机译：用钱德拉观测到的三颗早期型恒星的X射线发射线剖面
3. X-Ray Emission-Line Profiles of Three Early-Type Stars Observed with Chandra [J] . Yamamoto Norimasa, Takano Haruko, Kitamoto Shunji, PASJ: Publications of the Astronomical Society of Japan . 2007,第1期

机译：钱德拉观测到的三颗早期型恒星的X射线发射谱线
4. Starspot variability and evolution from modeling Kepler photometry of active late-type stars [C] . Alexander Brown, Heidi Korhonen, Svetlana Berdyugina, Symposium of the International Astronomical Union . 2011

机译：从主动后期恒星型光度模型的星光变异性和演化
5. The interstellar medium and star formation in IRAS bright early-type galaxies: NGC 3032, NGC 3928, NGC 7465 and NGC 7625 [D] . Li, Gang. 1994

机译：IRAS明亮早期型星系的星际中和恒星形成：NGC 3032，NGC 3928，NGC 7465和NGC 7625
6. Re‐evaluation of oxidised starch (E 1404) monostarch phosphate (E 1410) distarch phosphate (E 1412) phosphated distarch phosphate (E 1413) acetylated distarch phosphate (E 1414) acetylated starch (E 1420) acetylated distarch adipate (E 1422) hydroxypropyl starch (E 1440) hydroxypropyl distarch phosphate (E 1442) starch sodium octenyl succinate (E 1450) acetylated oxidised starch (E 1451) and starch aluminium octenyl succinate (E 1452) as food additives [O] . EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS), Alicja Mortensen, Fernando Aguilar, 2017

机译：重新评估氧化淀粉（E 1404）磷酸单淀粉（E 1410）磷酸二淀粉（E 1412）磷酸二淀粉磷酸（E 1413）乙酰化磷酸二淀粉（E 1414）乙酰化淀粉（E 1420）乙酰化淀粉己二酸酯（E1421422）羟丙基淀粉（E 1440）羟丙基二淀粉磷酸酯（E 1442）淀粉辛烯基琥珀酸钠（EE1450）乙酰化氧化淀粉（EE1451）和淀粉辛烯基琥珀酸铝（EE1452）作为食品添加剂
7. A study of the s-process in the carbon-rich post-AGB stars IRAS06530-0213 and IRAS08143-4406 on the basis of VLT-UVES spectra [O] . Reyniers, M, Van Winckel, H, Gallino, R, 2003

机译：基于VLT-UVES光谱研究富碳后AGB星IRAS06530-0213和IRAS08143-4406的s过程
8. An IRAS-Based Search for New Dusty Late-Type WC Wolf-Rayet Stars [R] . Cohen, Martin 1995

机译：基于IRas的新型尘埃型晚期WC Wolf-Rayet星的搜索

IRAS 17213-3841: A Late-type Carbon-rich Star or An Early-type Emission-line Star?

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