Academic Journal
A simple model for the complex lag structure of microquasars
| العنوان: | A simple model for the complex lag structure of microquasars |
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| المؤلفون: | Varniere, P. |
| المساهمون: | Laboratoire d'Astrophysique de Grenoble (LAOG), Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) |
| المصدر: | ISSN: 0004-6361. |
| بيانات النشر: | HAL CCSD EDP Sciences |
| سنة النشر: | 2005 |
| المجموعة: | Université Grenoble Alpes: HAL |
| مصطلحات موضوعية: | X-rays: binaries, stars: individual: GRS 1915+105, XTE J1550-564, accretion disks, X-rays, binaries -stars, individual, GRS 1915+105, XTE J1550−564 -accretion disks, [PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], [SDU.ASTR.CO]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO] |
| الوصف: | International audience ; The phase lag structure between the hard and soft X-ray photons observed in GRS 1915+105 and XTE J1550-564 has been said to be "complex" because the phase of the Quasi-Periodic Oscillation fundamental Fourier mode changes with time and because the even and odd harmonics signs behave differently. From simultaneous X-ray and radio observations this seems to be related to the presence of a jet (level of radio emission). We propose a simple idea where a partial absorption of the signal can shift the phases of the Fourier modes and account for the phase lag reversal. We also briefly discuss a possible physical mechanism that could lead to such an absorption of the quasi-periodic oscillation modulation. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| Relation: | info:eu-repo/semantics/altIdentifier/arxiv/astro-ph/0502267; BIBCODE: 2005A&A.434L.5V |
| DOI: | 10.1051/0004-6361:200500096 |
| الاتاحة: | https://hal.science/hal-00176030 https://hal.science/hal-00176030v1/document https://hal.science/hal-00176030v1/file/aagl021.pdf https://doi.org/10.1051/0004-6361:200500096 |
| Rights: | info:eu-repo/semantics/OpenAccess |
| رقم الانضمام: | edsbas.5A1A6679 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1051/0004-6361:200500096 |
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