Spectroscopic observations of the comet 29P/Schwassmann-Wachmann 1 at the SOAR telescope

被引：19
|
作者：
Ivanova, Oleksandra V. [1 ,2 ]
Picazzio, Enos [3 ]
Luk'yanyk, Igor V. [4 ]
Cavichia, Oscar [5 ]
Andrievskyf, Sergei M. [6 ,7 ]
机构：
[1] Slovak Acad Sci, Astron Inst, SK-05960 Tatranska Lomnica, Slovakia
[2] Natl Acad Sci Ukraine, Main Astron Observ, UA-03680 Kiev, Ukraine
[3] Univ Sao Paulo, Inst Astron Geofs & Ciencias Atmosfer, Dept Astron, Rua Matao 1226,Cidade Univ, BR-05508900 Sao Paulo, SP, Brazil
[4] Taras Shevchenko Natl Univ Kyiv, Astron Observ, Observatorna Str 3, UA-04053 Kiev, Ukraine
[5] Univ Fed Itajuba, Inst Fis & Quim, Av BPS 1303, BR-37500903 Pinheirinho, Itajuba, Brazil
[6] Odessa Natl Univ, Dept Astron & Astron Observ, Shevchenko Pk, UA-65014 Odessa, Ukraine
[7] PSL Res Univ, CNRS, Observ Paris, GEPI, Pl Jules Janssen, F-92195 Meudon, France
来源：
PLANETARY AND SPACE SCIENCE | 2018年 / 157卷
关键词：
Comets; Comet; 29P/Schwassmann-Wachmann; 1; Spectroscopy; Centaurs; IMAGING POLARIMETRY; CO+; COLOR; NITROGEN; N-2(+); DUST; GAS;
D O I：
10.1016/j.pss.2018.04.003
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Spectroscopic observations of comet 29P/Schwassmann-Wachmann 1 were carried out at the SOAR 4.1-meter telescope (Chile) on August 12, 2016, when its heliocentric distance was 5.9 au. The spectra revealed CO+ and N-2(+) emissions in the cometary coma. The [N-2(+)]/[CO+] ratio within the projected slit seems to be 0.01. The mean value of the normalized spectral gradient is 12.69 +/- 0.06 for spectral range 3448-5260 angstrom.
引用
收藏
页码：34 / 38
页数：5
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