Open Access

Table D.2.

Same as Table 4, but for Cepheids younger than 120 Myr.

Group Slope σslope Intercept σintercept Ref. angle Ref. radius ln(Ref. radius) Pitch angle Min. angle Max. angle
(kpc.rad−1) (kpc.rad−1) (kpc) (kpc) (rad) (kpc) (kpc) (rad) (rad) (rad)
[5] -0.039 0.051 1.650 0.063 1.053 4.998 1.609 0.039 0.154 1.951
[18] 0.039 0.025 1.503 0.094 3.994 5.253 1.659 -0.039 3.177 4.812
[19] 0.570 0.043 0.099 0.125 2.835 5.556 1.715 -0.518 2.436 3.233
[17] 0.212 0.049 1.333 0.125 2.384 6.287 1.838 -0.209 1.961 2.807
[14] 0.046 0.031 1.731 0.116 3.743 6.707 1.903 -0.046 3.309 4.177
[0] -0.228 0.073 3.169 0.405 5.424 6.906 1.932 0.224 4.566 6.282
[15] 0.157 0.018 1.533 0.059 3.260 7.728 2.045 -0.156 2.980 3.541
[20] 0.134 0.042 1.740 0.118 2.770 8.258 2.111 -0.133 2.534 3.007
[16] -0.206 0.026 2.859 0.093 3.527 8.436 2.133 0.203 3.317 3.736
[8] 0.039 0.024 2.030 0.098 4.044 8.915 2.188 -0.039 3.639 4.450
[9] 0.152 0.073 1.878 0.211 2.896 10.157 2.318 -0.151 2.733 3.060
[3] 0.054 0.013 2.156 0.048 3.737 10.568 2.358 -0.054 3.220 4.255
[4] 0.281 0.072 1.541 0.233 3.274 11.716 2.461 -0.274 3.141 3.406
[10] 0.046 0.021 2.444 0.073 3.511 13.538 2.605 -0.046 3.237 3.785
[11] 0.190 0.028 2.036 0.107 3.851 15.923 2.768 -0.188 3.498 4.205

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