Wide-band simultaneous observations of pulsars: disentangling dispersion measure and profile variations

Wide-band simultaneous observations of pulsars: disentangling dispersion measure and profile variations

Dispersion in the interstellar medium is a well known phenomenon that follows a simple relationship, which has been used to predict the time delay of dispersed radio pulses since the late 1960s. We performed wide-band simultaneous observations of four pulsars with LOFAR (at 40-190 MHz), the 76-m Lov...

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Main Authors: Hassall, T., Stappers, B., Hessels, J., Kramer, M., Alexov, A., Anderson, K., Coenen, T., Karastergiou, A., Keane, E., Kondratiev, V., Lazaridis, K., van Leeuwen, J., Noutsos, A., Serylak, M., Sobey, C., Verbiest, J., Weltevrede, P., Zagkouris, K., Fender, R., Wijers, R., Baehren, L., Bell, M., Broderick, J., Corbel, S., Daw, E., Dhillon, V., Eisloeffel, J., Falcke, H., Griessmeier, J., Jonker, P., Law, C., Markoff, S., Miller-Jones, James, Osten, R., Rol, E., Scaife, A., Scheers, B., Schellart, P., Spreeuw, H., Swinbank, J., ter Veen, S., Wise, M., Wijnands, R., Wucknitz, O., Zarka, P., Asgekar, A., Bentum, M., BERNARDI, G., Best, P., Bonafede, A., Boonstra, A., Brentjens, M., Brouw, W., Brueggen, M., Butcher, H., Ciardi, B., Garrett, M., Gerbers, M., Gunst, A., van Haarlem, M., Heald, G., Hoeft, M., Holties, H., de Jong, A., Koopmans, L., Kuniyoshi, M., Kuper, G., Loose, G., Maat, P., Masters, J., McKean, J., Meulman, H., Mevius, M., Munk, H., Noordam, J., Orru, E., Paas, H., Pandey-Pommier, M., Pandey, V., Pizzo, R., Polatidis, A., Reich, W., Rottgering, H., Sluman, J., Steinmetz, M., Sterks, C., Tagger, M., Yang, T., Tasse, C., Vermeulen, R., van Weeren, R., Wijnholds, S., Yatawatta, S.
Format: Journal Article
Published: EDP Sciences 2012
Subjects:
ISM: general
pulsars: general
magnetic fields
telescopes
Online Access:http://hdl.handle.net/20.500.11937/7327

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