Table 4.
Radius measurements with and without PSR J0437-4715 data.
| Quantity | NL | NL +J0437 | NL-σ cut | NL-σ cut + J0437 | NL DM | NL DM + J0437 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Med. | 90% CI | Med. | 90% CI | Med. | 90% CI | Med. | 90% CI | Med. | 90% CI | Med. | 90% CI | |||
| R1.2 | 12.27 | [11.89, 12.89] | 12.23 | [11.85, 12.70] | 12.29 | [11.87, 12.95] | 12.21 | [11.85, 12.76] | 12.20 | [11.85, 12.89] | 12.14 | [11.82, 12.69] | ||
| R1.4 | 12.18 | [11.78, 12.69] | 12.14 | [11.75, 12.55] | 12.29 | [11.81, 12.86] | 12.21 | [11.79, 12.69] | 12.09 | [11.75, 12.65] | 12.03 | [11.72, 12.46] | ||
| R1.6 | 12.03 | [11.57, 12.47] | 11.98 | [11.54, 12.41] | 12.25 | [11.68, 12.74] | 12.17 | [11.64, 12.62] | 11.91 | [11.53, 12.38] | 11.85 | [11.50, 12.23] | ||
Notes. The median and 90% confidence intervals (CI) of the radius, RM (km), for neutron star masses of M ∈ [1.2, 1.4, 1.6] M⊙, comparing results for obtained posterior with older NICER data and the additional inclusion of new PSR J0437-4715 NICER mass-radius measurements. The models include NL, NL-σ cut, and NL-DM. The terms NL+J0437, NL-σcut+J0437, and NL-DM+J0437 represent the inclusion of PSR J0437-4715 NICER measurements along with the older NICER data.
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