The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
The observed ionization rate of the intergalactic medium and the ionizing emissivity at z >= 5: evidence for a photon-starved and extended epoch of reionization
Open accessAbstract
We use a large set of hydrodynamical simulations, combined with measurements of the Lyman alpha opacity of the IGM taken from the literature, to obtain robust estimates for the photoionization rate per hydrogen atom at z=5 and 6. We find the photoionization rate drops by a factor of two and four, respectively, compared to our recent measurements at z = 2 - 4. The number of ionizing photons emitted by known sources at z=5 and 6, based on an extrapolation of source numbers below the detection limit and standard assumptions for the relationship between the ionizing emissivity and observed luminosity density at 1500 Angstroms, are in reasonable agreement with the photoionization rates inferred from the Lyman alpha forest if the escape fraction of ionizing photons from galaxies is large (>= 20 per cent). Claims to the contrary may be attributed to the adoption of an unduly high value for the clumping factor of ionized hydrogen. Using physically motivated assumptions for the mean free path of ionizing photons our measurements of the photoionization rate can be turned into an estimate of the ionizing emissivity. In comoving units the inferred ionizing emissivity is nearly constant over the redshift range 2-6 and corresponds to 1.5-3 photons emitted per hydrogen atom over a time interval corresponding to the age of the Universe at z=6. This strongly suggests that the epoch of reionization was photon-starved and extended. [Abridged]
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Cites
Three‐Year Wilkinson Microwave Anisotropy Probe ( WMAP ) Observations: Implications for Cosmology
Spergel, D. N., Bean, R., Dore, O., Nolta, M. R., Bennett, C. L., Dunkley, J., Hinshaw, G., Jarosik, N., Komatsu, E., Page, L., et al. (2007) · The Astrophysical Journal Supplement Series · doi:10.1086/513700 · Cited by 6,778
The cosmological simulation code gadget-2
Springel, V. (2005) · Monthly Notices of the Royal Astronomical Society · doi:10.1111/j.1365-2966.2005.09655.x · Cited by 6,368
Starburst99: Synthesis Models for Galaxies with Active Star Formation
Leitherer, C., Schaerer, D., Goldader, J. D., Delgado, R. M. G., Robert, C., Kune, D. F., de Mello, D. F., Devost, D., & Heckman, T. M. (1999) · The Astrophysical Journal Supplement Series · doi:10.1086/313233 · Cited by 4,126
Valageas (2002) · doi:10.1051/0004-6361:20020548 · Cited by 66
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LOFAR: The LOw-Frequency ARray
van Haarlem, M. P., Wise, M. W., Gunst, A. W., Heald, G., McKean, J. P., Hessels, J. W. T., de Bruyn, A. G., Nijboer, R., Swinbank, J., Fallows, R., et al. (2013) · Astronomy & Astrophysics · doi:10.1051/0004-6361/201220873 · Cited by 2,662
Dunkley, J., Komatsu, E., Nolta, M. R., Spergel, D. N., Larson, D., Hinshaw, G., Page, L., Bennett, C. L., Gold, B., Jarosik, N., et al. (2009) · The Astrophysical Journal Supplement Series · doi:10.1088/0067-0049/180/2/306 · Cited by 1,787
Finkelstein, S. L., Ryan, R. E., Papovich, C., Dickinson, M., Song, M., Somerville, R. S., Ferguson, H. C., Salmon, B., Giavalisco, M., Koekemoer, A. M., et al. (2015) · The Astrophysical Journal · doi:10.1088/0004-637x/810/1/71 · Cited by 729
A NEW CALCULATION OF THE IONIZING BACKGROUND SPECTRUM AND THE EFFECTS OF He II REIONIZATION
Faucher-Giguère, C.-A., Lidz, A., Zaldarriaga, M., & Hernquist, L. (2009) · The Astrophysical Journal · doi:10.1088/0004-637x/703/2/1416 · Cited by 699
NEW CONSTRAINTS ON COSMIC REIONIZATION FROM THE 2012 HUBBLE ULTRA DEEP FIELD CAMPAIGN
Robertson, B. E., Furlanetto, S. R., Schneider, E., Charlot, S., Ellis, R. S., Stark, D. P., McLure, R. J., Dunlop, J. S., Koekemoer, A., Schenker, M. A., et al. (2013) · The Astrophysical Journal · doi:10.1088/0004-637x/768/1/71 · Cited by 558
Metadata
- Authors
- Bolton, J. S., & Haehnelt, M. G.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 2007-11-21
- Volume
- 382
- Issue
- 1
- Pages
- 325-341
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2162802448
- Cited by
- 352
- References
- 4
- FWCI
- 13.29
- Type
- journal article
- Language
- en
- Open access
- green
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- Bolton, J. S., & Haehnelt, M. G. (2007). The observed ionization rate of the intergalactic medium and the ionizing emissivity at z >= 5: evidence for a photon-starved and extended epoch of reionization. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1111/j.1365-2966.2007.12372.x
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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