The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Optical colours and spectral indices of z = 0.1 eagle galaxies with the 3D dust radiative transfer code skirt
Open accessAbstract
We present mock optical images, broad-band and H α fluxes, and D4000 spectral indices for 30 145 galaxies from the eagle hydrodynamical simulation at redshift z = 0.1, modelling dust with the skirt Monte Carlo radiative transfer code. The modelling includes a subgrid prescription for dusty star-forming regions, with both the subgrid obscuration of these regions and the fraction of metals in diffuse interstellar dust calibrated against far-infrared fluxes of local galaxies. The predicted optical colours as a function of stellar mass agree well with observation, with the skirt model showing marked improvement over a simple dust-screen model. The orientation dependence of attenuation is weaker than observed because eagle galaxies are generally puffier than real galaxies, due to the pressure floor imposed on the interstellar medium (ISM). The mock H α luminosity function agrees reasonably well with the data, and we quantify the extent to which dust obscuration affects observed H α fluxes. The distribution of D4000 break values is bimodal, as observed. In the simulation, 20 per cent of galaxies deemed ‘passive' for the skirt model, i.e. exhibiting D4000 >1.8, are classified ‘active' when ISM dust attenuation is not included. The fraction of galaxies with stellar mass greater than 1010 M⊙ that are deemed passive is slightly smaller than observed, which is due to low levels of residual star formation in these simulated galaxies. Colour images, fluxes and spectra of eagle galaxies are to be made available through the public eagle data base.
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Cites
THE SEVENTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY
Abazajian, K. N., Adelman-McCarthy, J. K., Agüeros, M. A., Allam, S. S., Prieto, C. A., An, D., Anderson, K. S. J., Anderson, S. F., Annis, J., Bahcall, N. A., et al. (2009) · The Astrophysical Journal Supplement Series · doi:10.1088/0067-0049/182/2/543 · Cited by 5,341
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
Core condensation in heavy halos: a two-stage theory for galaxy formation and clustering
White, S. D. M., & Rees, M. J. (1978) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/183.3.341 · Cited by 3,919
An Improved Photometric Calibration of the Sloan Digital Sky Survey Imaging Data
Padmanabhan, N., Schlegel, D. J., Finkbeiner, D. P., Barentine, J. C., Blanton, M. R., Brewington, H. J., Gunn, J. E., Harvanek, M., Hogg, D. W., Ivezić, Ž., et al. (2008) · The Astrophysical Journal · doi:10.1086/524677 · Cited by 591
Colours and luminosities of z = 0.1 galaxies in the eagle simulation
Trayford, J. W., Theuns, T., Bower, R. G., Schaye, J., Furlong, M., Schaller, M., Frenk, C. S., Crain, R. A., Vecchia, C. D., & McCarthy, I. G. (2015) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stv1461 · Cited by 251
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Cited by
Pillepich, A., Nelson, D., Springel, V., Pakmor, R., Torrey, P., Weinberger, R., Vogelsberger, M., Marinacci, F., Genel, S., van der Wel, A., et al. (2019) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stz2338 · Cited by 916
Mackereth, J. T., Schiavon, R. P., Pfeffer, J., Hayes, C. R., Bovy, J., Anguiano, B., Prieto, C. A., Hasselquist, S., Holtzman, J., Johnson, J. A., et al. (2019) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/sty2955 · Cited by 285
Identifying galaxy mergers in observations and simulations with deep learning
Pearson, W. J., Wang, L., Trayford, J. W., Petrillo, C. E., & van der Tak, F. F. S. (2019) · Astronomy & Astrophysics · doi:10.1051/0004-6361/201935355 · Cited by 90
Self-citationZanisi, L., Huertas-Company, M., Lanusse, F., Bottrell, C., Pillepich, A., Nelson, D., Rodriguez-Gomez, V., Shankar, F., Hernquist, L., Dekel, A., et al. (2021) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/staa3864 · Cited by 65
Whitney, A., Ferreira, L., Conselice, C. J., & Duncan, K. (2021) · The Astrophysical Journal · doi:10.3847/1538-4357/ac1422 · Cited by 54
Metadata
- Authors
- Trayford, J. W., Camps, P., Theuns, T., Baes, M., Bower, R. G., Crain, R. A., Gunawardhana, M. L. P., Schaller, M., Schaye, J., & Frenk, C. S.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 2017-05-09
- Volume
- 470
- Issue
- 1
- Pages
- 771-799
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2612049161
- Cited by
- 195
- References
- 5
- FWCI
- 12.82
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: Optical colours and spectral indices of z = 0.1 eagle galaxies with the 3D dust radiative transfer code skirt. https://app.cochat.ai/papers/10.1093/mnras/stx1051
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- Trayford, J. W., Camps, P., Theuns, T., Baes, M., Bower, R. G., Crain, R. A., Gunawardhana, M. L. P., Schaller, M., Schaye, J., & Frenk, C. S. (2017). Optical colours and spectral indices of z = 0.1 eagle galaxies with the 3D dust radiative transfer code skirt. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1093/mnras/stx1051
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