Extended Data Table 1 Mass measurements of neutron stars in double neutron star and neutron star-white dwarf systems

J0514−4002A

1.25(6)

1.22(6)

–

4.99

0.084

18.785

0.888

⁹⁰

J1829+2456

1.306(4)

1.299(4)

–

41.01

0.0435

1.176

0.139

⁹¹

J1906+0746

1.322(11)

1.291(11)

–

144.1

20268

0.166

0.085

⁹²

B1534+12

1.3330(2)

1.3455(2)

–

37.90

2.364

0.421

0.274

⁹³

J0737−3039A

1.3381(7)

1.2489(7)

–

22.70

1.761

0.102

0.088

⁹⁴

J0509+3801

1.34(8)

1.46(8)

–

76.54

7.924

0.380

0.586

⁹⁵

J1757−1854

1.3406(5)

1.3922(5)

–

21.50

2.654

0.184

0.606

⁹⁶

J1756−2251

1.341(7)

1.230(7)

–

28.46

1.015

0.320

0.181

⁹⁷

B2127+11C

1.358(10)

1.354(10)

–

30.53

5.01

0.335

0.681

⁹⁸

J1807−2500B

1.3655(21)

1.2064(21)

–

4.19

0.113

9.957

0.747

⁶⁸

B1913+16

1.4398(2)

1.3886(2)

–

59.03

8.645

0.323

0.617

⁹⁹

J0453+1559

1.559(5)

1.174(4)

–

45.78

0.177

4.072

0.113

¹⁰⁰

J1913+1102

1.62(3)

1.27(3)

–

27.29

0.176

0.206

0.090

¹⁰¹

J1802−2124

1.24(11)

–

0.78

12.65

0.071

0.699

10⁻⁶

¹⁰²

J2045+3633

1.251(21)

–

0.873

31.68

0.594

32.30

0.017

¹⁰³

J1141−6545

–

1.27(1)

1.01

393.9

4295

0.198

0.172

¹⁰⁴

J1918−0642

1.29(10)

–

0.231

7.646

0.024

10.91

10⁻⁵

⁷⁵

J1910−5959A

1.33(11)

–

0.18

3.266

0.0056

0.837

10⁻⁶

¹⁰⁵

J1949+3106

1.34(17)

–

0.81

13.14

0.094

1.95

10⁻⁵

¹⁰⁶

J1713+0747

1.35(7)

–

0.292

4.57

0.008

67.83

10⁻⁴

⁷⁵

J2234+0611

1.353(17)

–

0.298

3.577

0.006

32.0

0.129

¹⁰⁷

J2305+4707

–

1.38(10)

1.26

1066

569

12.34

0.658

^3,108

J2043+1711

1.38(13)

–

0.173

2.38

0.004

1.48

10⁻⁶

⁷⁵

J2053+4650

1.40(21)

–

0.86

12.59

0.166

2.45

10⁻⁵

¹⁰⁹

J0337+1715

1.4359(3)

–

0.1973

2.733

0.017

1.629

10⁻³

¹¹⁰

J0437−4715

1.44(7)

–

0.224

5.76

0.014

5.74

10⁻⁵

¹¹¹

J1738+0333

1.47(7)

–

0.181

5.85

0.022

0.355

10⁻⁷

¹¹²

J1909−3744

1.486(11)

–

0.208

2.95

0.0027

1.533

10⁻⁷

¹¹³

J1950+2414

1.496(23)

–

0.28

4.30

0.020

22.19

0.08

¹⁰⁶

J1125−6014

1.5(2)

–

0.31

2.63

0.002

8.753

10⁻⁶

¹¹³

J1857+0943

1.54(13)

–

0.263

5.36

0.017

12.327

10⁻⁵

¹¹³

J0751+1807

1.64(15)

–

0.16

3.48

0.006

0.263

10⁻⁶

¹¹⁴

J0955−6150

1.71(3)

–

0.254

2.0

0.15

24.58

0.118

¹¹⁵

J1012+5307

1.72(16)

–

0.165

5.26

0.011

0.605

10⁻⁶

¹¹⁶

J1600−3053

1.77(36)

–

0.34

3.598

0.009

14.35

10⁻³

¹¹³

J1946+3417

1.828(22)

–

0.2556

3.17

0.003

27.02

0.134

¹¹⁷

J2222−0137

1.831(10)

–

1.319

32.82

0.017

2.446

10⁻³

¹¹⁸

J1614−2230

1.908(16)

–

0.493

3.15

0.0096

8.687

10⁻⁶

⁷⁵

J0348+0432

2.01(4)

–

0.172

39.12

0.241

0.102

10⁻⁶

⁷

J0740+6620

2.08(7)

–

0.253

2.89

0.0054

4.77

10⁻⁶

¹¹⁹