Study of dust properties nearby pulsar J0302+2252 using Iris, Akari and wise surveys

International Journal of Multidisciplinary Research and Growth Evaluation Pub Date : 1900-01-01 DOI:10.54660/.ijmrge.2023.4.2.131-136

Kushal Khatiwada, K. Chaudhary, Anil Subedi, Ram Chandra Kandel, Ashok Chaudhary, Devendra Raj Upadhyay, Ajay Kumar Jha

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Abstract

A search of dust structure nearby the pulsar J0302+2252 in IRIS , AKARI and WISE survy was performed using Skyview Observatory (http://skyview.gsfc.nasa.gov). The physical properties have been studied at 60µm & 100µm in the IRIS survey, 90µm & 140µm in the AKARI survey and 12µm & 22µm in the WISE survey at right ascension (R.A.) (J2000)=30h(_^) 02m 31.99s and Declination (Decl.) (J2000)=+ 220 52m 12.10s . In this work, we have studied the physical properties such as Dust color temperature, Planck’s unction, Visual extinction and Mass profile of the dust data reduction software ALADIN v11. The dust color temperature is found to be 22.271 ± 0.261K in IRIS, 22.343 ± 0.939 K in AKARI and 278.74 ± 0.067 K in WISE. Also, the dust mass is found to be 2.286 × 1027 kg (1.149 × 10-3 M⊙ ) in IRIS, 8.800 ×1027 kg (0.416× 10-3 M⊙ ) in AKARI and 5.220 ×1025 kg (0.026 ×10-3 M⊙ ) in WISE. The average visual extinction is found to be 1.372 ×10-13 mag. In IRIS, 4.970 ×10-14 mag. In AKARI and 1.673 ×10-15 mag. In WISE. The dust color temperature and dust mass distribution show a very good agreement with Gaussian. The Contour plots of dust color temperature and dust mass show inverse relation between them in all three bands IRIS, AKARI, and WISE.

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利用Iris, Akari和wise巡天研究脉冲星J0302+2252附近的尘埃特性

利用Skyview天文台(http://skyview.gsfc.nasa.gov)， IRIS、AKARI和WISE巡天对脉冲星J0302+2252附近的尘埃结构进行了搜索。IRIS测量60µm和100µm, AKARI测量90µm和140µm, WISE测量12µm和22µm，分别在赤经(R.A.) (J2000)=30h(_^) 02m 31.99s和赤纬(Decl.) (J2000)=+ 220 52m 12.10s下研究了物理性质。本文研究了尘埃数据还原软件ALADIN v11的尘埃色温、普朗克函数、视觉消光和质量分布等物理特性。IRIS的尘埃色温为22.271±0.261K, AKARI的为22.343±0.939 K, WISE的为278.74±0.067 K。此外，IRIS的尘埃质量为2.286 ×1027 kg (1.149 ×10-3 M⊙)，AKARI的尘埃质量为8.800 ×1027 kg (0.416× 10-3 M⊙)，WISE的尘埃质量为5.220 ×1025 kg (0.026 ×10-3 M⊙)。IRIS的平均视消值为1.372 ×10-13等，AKARI的平均视消值为4.970 ×10-14等，WISE的平均视消值为1.673 ×10-15等。粉尘色温和粉尘质量分布与高斯分布具有很好的一致性。在IRIS、AKARI和WISE三个波段，尘埃色温和尘埃质量的等高线图显示出它们之间的反比关系。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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International Journal of Multidisciplinary Research and Growth Evaluation

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