使用LOFAR查找搜索引擎
Finding pulsars with LOFAR
摘要：
我们调查的数量和类型的恒星，将被发现的低频射电望远镜LOFAR。我们认为不同的搜索策略的银河系，球状星团和其他星系比我们自己的。我们表明，一个全天空的银河系调查可以进行最佳的非相干结合LOFAR站。在为期60天的全天银河系巡天中，LOFAR可以发现超过1000颗脉冲星，探测当地脉冲星的数量，达到非常深的光度极限。对于较小角尺寸的目标、球状星团和星系，LOFAR台站可以利用全部灵敏度进行相干合并。对北天附近的球状星团的观测可以发现大量的低光度毫秒双星（例如，在对M15的10小时观测中发现了10多颗新的毫秒双星。如果附近星系中的脉冲星数量与银河系相似，那么10个小时的观测就可以在M33中找到10颗最亮的脉冲星，或者在1.2Mpc的其他星系中找到脉冲星。
英文摘要：
We investigate the number and type of pulsars that will be discovered with the low-frequency radio telescope LOFAR. We consider different search strategies for the Galaxy, for globular clusters and for galaxies other than our own. We show an all-sky Galactic survey can be optimally carried out by incoherently combining the LOFAR stations. In a 60-day all-sky Galactic survey LOFAR can find over a thousand pulsars, probing the local pulsar population to a very deep luminosity limit. For targets of smaller angular size, globular clusters and galaxies, the LOFAR stations can be combined coherently, making use of the full sensitivity. Searches of nearby northern-sky globular clusters can find large numbers of low luminosity millisecond pulsars (eg. over 10 new millisecond pulsars in a 10-hour observation of M15). If the pulsar population in nearby galaxies is similar to that of the Milky Way, a 10-hour observation could find the 10 brightest pulsars in M33, or pulsars in other galaxies out to a distance of 1.2Mpc.
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