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A VLA Search for the Geminga Pulsar at 74 and 326 MHz
Published online by Cambridge University Press: 12 April 2016
Abstract
We have used the VLA to image the location of the gamma-ray pulsar Geminga at 74 and 326 MHz. Upper limits to the pulse-averaged flux density, taking diffractive scintillation (DISS) into account, are S < 56 mJy (2σ; DISS quenched) at 74 MHz and S < 5 mJy (95% confidence) at 326 MHz. Intrinsic variability appears to be required in order to reconcile our upper limits with previous low-frequency detections.
- Type
- Part 3. Studies of Radio Emission
- Information
- International Astronomical Union Colloquium , Volume 177: Pulsar Astronomy - 2000 and Beyond , 2000 , pp. 239 - 240
- Copyright
- Copyright © Astronomical Society of the Pacific 2000