A STUDY OF A PULSAR WIND DRIVEN STRUCTURE IN FAR-INFRARED IRAS MAP AT LATTITUDE -10º

Authors

  • Ajay Kumar Jha Central Department of Physics, Tribhuvan University, Kirtipur
  • Binil Aryal Central Department of Physics, Tribhuvan University, Kirtipur

DOI:

https://doi.org/10.3126/jist.v22i1.17733

Keywords:

IRAS survey, Flux density, ALADIN 7.5, Pulsar wind, Galactic parameter

Abstract

A systematic search of dust structure in the far infrared (100 μm and 60 μm) IRAS (Infrared Astronomical Satellite) survey was performed using Sky View Observatory. In order to find the possible candidate, we used SIMBAD database to locate discrete sources in the region. A deep cavity-like isolated far infrared dust structure (size ~ 4.46 pc × 2.23 pc) at galactic longitude: 284.360o, galactic latitude: -9.549o was found at the distance of about 375 pc. We have studied the flux density variation and then calculated temperature and mass profile of the dust and excess mass using data reduction software ALADIN 7.5 within this region. The dust color temperature was found to lie in the range 23.40 K to 29.28 K. An offset temperature of about 6.0 K was found. The total mass of the dust structure was found to be about 2.55×1027 kg and the excess mass per pixel was 2.52×1024 kg. We also studied the rate of mass loading around the structure. The energy of the pulsar required to create that in homogeneity in the structure was calculated to be 5.04×1036 J. Possible explanations of results will be presented.

Journal of Institute of Science and Technology, 2017, 22 (1): 1-9

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Published

2017-07-18

How to Cite

Jha, A. K., & Aryal, B. (2017). A STUDY OF A PULSAR WIND DRIVEN STRUCTURE IN FAR-INFRARED IRAS MAP AT LATTITUDE -10º. Journal of Institute of Science and Technology, 22(1), 1–9. https://doi.org/10.3126/jist.v22i1.17733

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