FIRST SEARCHES FOR OPTICAL COUNTERPARTS TO GRAVITATIONAL-WAVE CANDIDATE EVENTS
FIRST SEARCHES FOR OPTICAL COUNTERPARTS TO GRAVITATIONAL-WAVE CANDIDATE EVENTS
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DOI：
10.1088/0067-0049/211/1/7
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发表时间：
2014-03-01
影响因子：
8.7
通讯作者：
Zheng, W.
中科院分区：
文献类型：
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作者：
Aasi, J.;Abadie, J.;Zheng, W.
在2009-2010年激光干涉仪引力波天文台和室女座联合科学运行期间，在几分钟内分析了三个干涉仪探测器的引力波数据，以选择引力波候选事件并推断其明显的天空位置。目标坐标被传送到几个望远镜进行后续观测，目的是探测相关的光学瞬变。获得了八个这样的GW候选者的图像。我们提出了用于分析图像数据以及瞬态搜索结果的方法。没有光学瞬变被确定与任何这些候选人有令人信服的联系，没有一个GW触发器显示出天体物理性质的强有力证据。我们比较了这些观测的敏感性，从可能的利益来源的几个模型光变曲线，并讨论了未来的联合GW光学观测这种类型的前景。
During the Laser Interferometer Gravitational-wave Observatory and Virgo joint science runs in 2009-2010, gravitational wave (GW) data from three interferometer detectors were analyzed within minutes to select GW candidate events and infer their apparent sky positions. Target coordinates were transmitted to several telescopes for follow-up observations aimed at the detection of an associated optical transient. Images were obtained for eight such GW candidates. We present the methods used to analyze the image data as well as the transient search results. No optical transient was identified with a convincing association with any of these candidates, and none of the GW triggers showed strong evidence for being astrophysical in nature. We compare the sensitivities of these observations to several model light curves from possible sources of interest, and discuss prospects for future joint GW-optical observations of this type.