``Gravars''

Details ``Gravars'' ``Gravars''

May 1970

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970natur.226..436k&link_type=abstract

Nature, Volume 226, Issue 5244, pp. 436-439 (1970).

Physics

13

Scientific paper

THE gravitational radiation received by Weber1 at a frequency ν= 1,660 Hz, over a bandwidth Δω~0.1, had pulse durations < 0.4 s and an average pulse frequency f ~ 10-5.5 s-1 (that is, about one in four days). The energy (in the pseudo-tensor approximation) in each pulse must have been ~ 104 ergs cm-2 over the bandwidth. If a flat spectrum is assumed up to ω~104 s-1 (cutoff somewhere beyond this value) the total energy per cm2 in a pulse must be F Δt > 109 erg cm-2. The average energy density is then F Δt. f/c > 10-7 erg cm-3, and the corresponding mass density ρg > 10-28 g cm-3.

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