Near-infrared imaging of LYNDS 1551 IRS 5
| Autor: | Richard W. Capps, Klaus-Werner Hodapp, Luis Salas, G. L. Grasdalen, Stephen E. Strom |
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| Rok vydání: | 1988 |
| Předmět: |
Physics
Reflection nebula Young stellar object Extinction (astronomy) Astronomy Astronomy and Astrophysics Astrophysics::Cosmology and Extragalactic Astrophysics H band Space and Planetary Science Cosmic infrared background K band Thick disk Astrophysics::Solar and Stellar Astrophysics Astrophysics::Earth and Planetary Astrophysics Image resolution Astrophysics::Galaxy Astrophysics |
| Zdroj: | The Astrophysical Journal. 335:814 |
| ISSN: | 1538-4357 0004-637X |
| Popis: | High-spatial-resolution 1.6-micron (H) and 2.2-micron (K) images of the well-known young stellar object (YSO) L1551 IRS 5 reveal an extended, conically-shaped reflection nebula. The comparison of the images at the two wavelengths shows a shift in the position of the flux maximum, demonstrating that the H band maximum is not identical with the illuminating star. Morphological differences between the H band and K band images as well as a color map indicate that extinction effects in the reflection nebula are important. The results support a model that posits that, at H and K, the star in IRS 5 is surrounded by an optically thick disk and illuminates the inner wall of the nozzle created by the anisotropic mass outflow from the embedded young star. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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