Getting the red out: a stellar approach to determining spatial variations of interstellar dust
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2001
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| _version_ | 1876449311298945024 |
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| author | R. P. Kraft |
| author_facet | R. P. Kraft |
| contents | Getting the red out: a stellar approach to determining spatial variations of interstellar dust R. P. Kraft N. B. Suntzeff V. V. Smith G. E. Langer J. P. Fulbright I. I. Ivans C. Sneden Física, Astronomía y Matemáticas EX TINCTION ISM: DUST STARS: FUNDA ISM: STRUCTURE By employing two di erent spectroscopic techniques we have mapped out thevariable ISM dust extinction endemic to globular cluster M4. We derive an averageE(B-V) reddening of 0.33 0.01 and R = 3:40:4, both in good agreement withprevious studies of M4. For individual stars in the most heavily reddened regions ofM4, we nd E(B-V) values signicantly higher than those inferred by studies ofinterstellar gas | for heavily reddened regions, the gas measured in column densitymeasurements may not completely trace the dust. 2001 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101048 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.10 |
| format | Artículo científico |
| id | redalyc_57101048 |
| institution | Redalyc |
| language | en |
| publishDate | 2001 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Getting the red out: a stellar approach to determining spatial variations of interstellar dust R. P. Kraft Física, Astronomía y Matemáticas EX TINCTION ISM: DUST STARS: FUNDA ISM: STRUCTURE Getting the red out: a stellar approach to determining spatial variations of interstellar dust R. P. Kraft N. B. Suntzeff V. V. Smith G. E. Langer J. P. Fulbright I. I. Ivans C. Sneden Física, Astronomía y Matemáticas EX TINCTION ISM: DUST STARS: FUNDA ISM: STRUCTURE By employing two di erent spectroscopic techniques we have mapped out thevariable ISM dust extinction endemic to globular cluster M4. We derive an averageE(B-V) reddening of 0.33 0.01 and R = 3:40:4, both in good agreement withprevious studies of M4. For individual stars in the most heavily reddened regions ofM4, we nd E(B-V) values signicantly higher than those inferred by studies ofinterstellar gas | for heavily reddened regions, the gas measured in column densitymeasurements may not completely trace the dust. 2001 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101048 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.10 |
| title | Getting the red out: a stellar approach to determining spatial variations of interstellar dust |
| topic | Física, Astronomía y Matemáticas EX TINCTION ISM: DUST STARS: FUNDA ISM: STRUCTURE |
| url | https://www.redalyc.org/articulo.oa?id=57101048 |