Combined EOS-agnostic pulsar constraints on the α0–β0 space of scalar-tensor theories (Damour & Esposito-Farèse 1993, 1996) from Eq. (17): the area under the curve is still allowed by experiments. The blue curve is the result of a combination of dipolar radiation tests from six pulsar-WD binary systems (see text for details). The red curve indicates the improvement when the constraints from this paper are added to the dipolar radiation tests. The grey curves show the 2σ-limits from Solar-system experiment: Cassini (solid), LLR (dashed), MESSENGER (dotted). JFBD gravity corresponds to β0 = 0 (thin vertical line).
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