期刊
CLASSICAL AND QUANTUM GRAVITY
卷 30, 期 22, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/30/22/224006
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资金
- NSF [1009580, 0968126]
- Direct For Mathematical & Physical Scien
- Division Of Astronomical Sciences [1313120] Funding Source: National Science Foundation
- Division Of Astronomical Sciences
- Direct For Mathematical & Physical Scien [1009580] Funding Source: National Science Foundation
- Office Of Internatl Science &Engineering
- Office Of The Director [0968296] Funding Source: National Science Foundation
Time variable delays due to radio wave propagation in the ionized interstellar medium are a substantial source of error in pulsar timing array efforts. We describe the physical origin of these effects, discussing dispersive and scattering effects separately. Where possible, we give estimates of the magnitude of timing errors produced by these effects and their scaling with radio frequency. Although there is general understanding of the interstellar medium propagation errors to be expected with pulsar timing array observations, detailed comparison between theory and practice is still in its infancy, particularly with regard to scattering effects.
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