Are gamma-ray novae intrinsically rare or just nearby?
Fermi LAT data revealed classical novae as unexpected gamma-ray sources, yet only 6 of 69 of those optically detected in the first 8 years of Fermi LAT observations were confirmed as > 5? gamma-ray sources. These proceedings outline Monte Carlo simulations in which a population of Galactic...
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| Format: | Conference item |
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Proceedings of Science
2017
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| _version_ | 1826256529956798464 |
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| author | Morris, P Cotter, G Brown, A Chadwick, P |
| author_facet | Morris, P Cotter, G Brown, A Chadwick, P |
| author_sort | Morris, P |
| collection | OXFORD |
| description | Fermi LAT data revealed classical novae as unexpected gamma-ray sources, yet only 6 of 69 of those optically detected in the first 8 years of Fermi LAT observations were confirmed as > 5? gamma-ray sources. These proceedings outline Monte Carlo simulations in which a population of Galactic novae were simulated based on spatial distributions and R-band magnitudes based on their M31 counterparts. Interstellar extinction was added using a double exponential disc model, and gamma-ray properties were defined based on those of the original 6 gamma-ray novae. We demonstrate that observations are consistent will all classical novae being gamma-ray sources, and that the gamma-ray sky background is the largest inhibitor when discovering these sources. Furthermore, we predict that all classical novae occurring within ? 8 kpc and with m R ? 12 will be detected using the Fermi LAT. |
| first_indexed | 2024-03-06T18:03:40Z |
| format | Conference item |
| id | oxford-uuid:00af3726-0859-41b8-9a31-7ba6c6531983 |
| institution | University of Oxford |
| last_indexed | 2024-03-06T18:03:40Z |
| publishDate | 2017 |
| publisher | Proceedings of Science |
| record_format | dspace |
| spelling | oxford-uuid:00af3726-0859-41b8-9a31-7ba6c65319832022-03-26T08:30:53ZAre gamma-ray novae intrinsically rare or just nearby?Conference itemhttp://purl.org/coar/resource_type/c_5794uuid:00af3726-0859-41b8-9a31-7ba6c6531983Symplectic Elements at OxfordProceedings of Science2017Morris, PCotter, GBrown, AChadwick, PFermi LAT data revealed classical novae as unexpected gamma-ray sources, yet only 6 of 69 of those optically detected in the first 8 years of Fermi LAT observations were confirmed as > 5? gamma-ray sources. These proceedings outline Monte Carlo simulations in which a population of Galactic novae were simulated based on spatial distributions and R-band magnitudes based on their M31 counterparts. Interstellar extinction was added using a double exponential disc model, and gamma-ray properties were defined based on those of the original 6 gamma-ray novae. We demonstrate that observations are consistent will all classical novae being gamma-ray sources, and that the gamma-ray sky background is the largest inhibitor when discovering these sources. Furthermore, we predict that all classical novae occurring within ? 8 kpc and with m R ? 12 will be detected using the Fermi LAT. |
| spellingShingle | Morris, P Cotter, G Brown, A Chadwick, P Are gamma-ray novae intrinsically rare or just nearby? |
| title | Are gamma-ray novae intrinsically rare or just nearby? |
| title_full | Are gamma-ray novae intrinsically rare or just nearby? |
| title_fullStr | Are gamma-ray novae intrinsically rare or just nearby? |
| title_full_unstemmed | Are gamma-ray novae intrinsically rare or just nearby? |
| title_short | Are gamma-ray novae intrinsically rare or just nearby? |
| title_sort | are gamma ray novae intrinsically rare or just nearby |
| work_keys_str_mv | AT morrisp aregammaraynovaeintrinsicallyrareorjustnearby AT cotterg aregammaraynovaeintrinsicallyrareorjustnearby AT browna aregammaraynovaeintrinsicallyrareorjustnearby AT chadwickp aregammaraynovaeintrinsicallyrareorjustnearby |