Grasdalen, G. and Cohen, J. G. (1973) Diffuse Nebulae at High Galactic Latitudes. Astrophysical Journal, 180 . L11-L13. ISSN 0004-637X. doi:10.1086/181142. https://resolver.caltech.edu/CaltechAUTHORS:20190529-103834273
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Abstract
The nature of the diffuse nebulae at high galactic latitudes is discussed. Although these nebulae show Hβ in emission, evidence is presented that they are reflection nebulae illuminated by the integrated light of the Galaxy. Observational evidence for this suggestion is obtained by narrow-band photometry of external spiral galaxies with large entrance apertures. In the integrated spectra of spiral disks, we find that Hα is in emission.
| Item Type: | Article | |||||||||
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| Additional Information: | © American Astronomical Society • Provided by the NASA Astrophysics Data System. Received 1972 September 11; revised 1972 November 24. J.G.C. is grateful to the Miller Institute for Basic Research for financial support. | |||||||||
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| Subject Keywords: | galaxies — nebulae | |||||||||
| DOI: | 10.1086/181142 | |||||||||
| Record Number: | CaltechAUTHORS:20190529-103834273 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190529-103834273 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 95877 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 29 May 2019 20:14 | |||||||||
| Last Modified: | 16 Nov 2021 17:16 |
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