Confirmation of persistent radio jets in the microquasar LS 5039
We present here new observations conducted with the EVN and MERLIN of the persistent microquasar LS 5039 discovered by Paredes et al. ([CITE]) with the VLBA. The new observations confirm the presence of an asymmetric two-sided jet reaching up to ~1000 AU on the longest jet arm. The results suggest a...
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| Veröffentlicht in: | Astronomy and astrophysics (Berlin) 2002-10, Vol.393 (3), p.L99-L102 |
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| container_end_page | L102 |
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| container_issue | 3 |
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| container_title | Astronomy and astrophysics (Berlin) |
| container_volume | 393 |
| creator | Paredes, J. M. Ribó, M. Ros, E. Martí, J. Massi, M. |
| description | We present here new observations conducted with the EVN and MERLIN of the persistent microquasar LS 5039 discovered by Paredes et al. ([CITE]) with the VLBA. The new observations confirm the presence of an asymmetric two-sided jet reaching up to ~1000 AU on the longest jet arm. The results suggest a bending of the jets with increasing distance from the core and/or precession. The origin and location of the high-energy gamma-ray emission associated with the system is discussed and an estimate of the magnetic field at the base of the jet given. Our results suggest a well collimated radio jet. We also comment on new observing strategies to be used with satellites and forthcoming detectors, since this persistent source appears to be a rather good laboratory to explore the accretion/ejection processes taking place near compact objects. |
| doi_str_mv | 10.1051/0004-6361:20021256 |
| format | Article |
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We also comment on new observing strategies to be used with satellites and forthcoming detectors, since this persistent source appears to be a rather good laboratory to explore the accretion/ejection processes taking place near compact objects.</description><subject>3EG J1824-1514</subject><subject>Astrophysical jets</subject><subject>Estels</subject><subject>Estels binaris de raigs X</subject><subject>Jets (Astrofísica)</subject><subject>Quasars</subject><subject>Quàsars</subject><subject>Radiació</subject><subject>Radiation</subject><subject>radiation mechanism: non-thermal</subject><subject>Radio astronomy</subject><subject>radio continuum: stars</subject><subject>Radioastronomia</subject><subject>RX J1826.2-1450</subject><subject>Stars</subject><subject>stars: individual: LS 5039</subject><subject>X-ray binaries</subject><subject>X-rays: binaries</subject><issn>0004-6361</issn><issn>1432-0746</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>XX2</sourceid><recordid>eNpFkNtKAzEQhoMoWKsv4FVeYHVyTrxSikdWRKoIvQkxm8VUu1uTFPTt7VKtF8PPwP8Nw4fQMYETAoKcAgCvJJPkjAJQQoXcQSPCGa1AcbmLRtvCPjrIeQ5DS7MROp_0XRvTwpXYd7hv8TKkHHMJXcHJNbHH81Ayjh0ubwEvok_958pll3A9xQKYOUR7rfvI4eg3x-j56vJpclPVD9e3k4u68pyJUnFDDAEvghEaWtUap6hwrRbM6yCZd9wZIQlTplFMvTaBNk4xwxRoyr0BNkZkc9fnlbcp-JC8K7Z38X8ZhoKilkpqNF8z9JdJfc4ptHaZ4sKlb0vADt7soMUOWuyftzVUbaDBwteWcOndyvVrwmp4sdPH2f1Uz2p7x34AtNNtCw</recordid><startdate>20021001</startdate><enddate>20021001</enddate><creator>Paredes, J. 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M.</creatorcontrib><creatorcontrib>Ribó, M.</creatorcontrib><creatorcontrib>Ros, E.</creatorcontrib><creatorcontrib>Martí, J.</creatorcontrib><creatorcontrib>Massi, M.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Recercat</collection><jtitle>Astronomy and astrophysics (Berlin)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Paredes, J. 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The origin and location of the high-energy gamma-ray emission associated with the system is discussed and an estimate of the magnetic field at the base of the jet given. Our results suggest a well collimated radio jet. We also comment on new observing strategies to be used with satellites and forthcoming detectors, since this persistent source appears to be a rather good laboratory to explore the accretion/ejection processes taking place near compact objects.</abstract><pub>EDP Sciences</pub><doi>10.1051/0004-6361:20021256</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Astronomy and astrophysics (Berlin), 2002-10, Vol.393 (3), p.L99-L102 |
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| language | eng |
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| source | Bacon EDP Sciences France Licence nationale-ISTEX-PS-Journals-PFISTEX; EDP Sciences; Recercat; EZB-FREE-00999 freely available EZB journals |
| subjects | 3EG J1824-1514 Astrophysical jets Estels Estels binaris de raigs X Jets (Astrofísica) Quasars Quàsars Radiació Radiation radiation mechanism: non-thermal Radio astronomy radio continuum: stars Radioastronomia RX J1826.2-1450 Stars stars: individual: LS 5039 X-ray binaries X-rays: binaries |
| title | Confirmation of persistent radio jets in the microquasar LS 5039 |
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