斯威夫特和费米在无线电大声AGN研究中的多方面协同作用
The multi-faceted synergy between Swift and Fermi in radio-loud AGN studies
摘要：
自2008年6月发射以来，费米伽马射线太空望远镜开启了高能天体物理学的新时代。费米号上的大面积望远镜具有前所未有的灵敏度、角分辨率和有效面积，再加上对整个伽马射线天空几乎连续的观测，这为详细研究各种类型的伽马射线活动星系核提供了一个难得的机会。在这种情况下，斯威夫特卫星，由于其宽带覆盖和调度的灵活性，创造了一个完美的协同与费米。斯威夫特和费米协调监测活动的无线电响亮AGN使我们能够调查相关的变化在不同的频率，并建立时间分辨的光谱能量分布，从光学到伽马射线，限制在这些对象中的工作发射机制。快速斯威夫特后续观测的伽马射线耀斑活动星系核检测费米-LAT也是基本的牢固联系的伽马射线源与它们的低能同行。我们提出了一些有趣的结果，从费米-LAT和斯威夫特观测的伽玛射线耀斑活动星系核在前六年的费米操作。
英文摘要：
Since its launch in 2008 June, the Fermi Gamma-ray Space Telescope has opened a new era in high-energy astrophysics. The unprecedented sensitivity, angular resolution and effective area of the Large Area Telescope on board Fermi, together with the nearly continuous observation of the entire gamma-ray sky assures a formidable opportunity to study in detail gamma-ray emitting AGN of various types. In this context the Swift satellite, thanks to its broad band coverage and scheduling flexibility, creates a perfect synergy with Fermi. Swift and Fermi coordinated monitoring campaigns of radio-loud AGN allowed us to investigate correlated variability at different frequencies and to build time-resolved spectral energy distributions from optical to gamma-rays, constraining the emission mechanisms at work in these objects. The rapid Swift follow-up observations of gamma-ray flaring AGN detected by Fermi-LAT were also fundamental in firmly associating the gamma-ray sources with their low-energy counterparts. We present some interesting results obtained from Fermi-LAT and Swift observations of gamma-ray flaring AGN in the first six years of Fermi operation.
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