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Table 4.

Free parameters, fixed parameters, χ2 values for a joint model and for several alternative models.

Parameter Unit Joint 294 pc QRATIO SPOT ASYMJT ETMPJT ETMPSH H0.4_He0.6
Tcp K 14 334 13 512 14 525 14 580 14 566 14 085 14 580 14 293
Rinnb R⊙ 8.7 8.2 8.8 8.7 8.7 10.2 9.5 10.4
Routnb R⊙ 31.5 35.2 31.0 30.3 31.2 30.3 32.8 31.0
hinvnb H 3.5 4.4 3.6 3.5 3.8 4.4 3.9 3.7
Tinvnb 1 1.5 1.8 1.5 1.5 1.5 1.5 1.5 1.8
hwindnb H 3.0 4.0 3.0 3.0 3.0 3.0 3.1 3.1
hcnb H 3.8 3.1 3.6 3.7 3.6 3.8 2.9 2.9
vnb km s−1 112 106 111 114 107 123 102 120
evelnb 1 1.91 1.57 1.95 1.91 1.96 1.69 1.94 1.99
hshdnb H 5.0 5.0 4.8 3.9 4.8 5.0 4.3 4.9
Tnb K 30 345 30 558 30 443 30 435 30 836 29 398 31 233 32 619
𝜚nb 10−9 g cm−3 1.21 4.86 1.21 1.25 1.20 0.91 1.62 1.15
vtrbnb km s−1 11 99 13 12 12 25 12 16
edennb 1 −0.57 −0.55 −0.56 −0.57 −0.54 −0.57 −0.59 −0.59
etmpnb 1 −0.73 −0.70 −0.73 −0.73 −0.73 −0.73 −0.73 −0.71
ajet deg 28.8 32.7 28.8 28.7 28.9 28.8 21.4 32.0
Rinjt R⊙ 5.6 6.6 5.6 5.6 5.6 5.4 5.8 5.5
Routjt R⊙ 35.9 34.3 35.9 36.0 36.0 37.3 35.0 40.3
vjt km s−1 676 535 679 671 674 661 880 627
Tjt K 15 089 22 702 15 150 15 440 14 668 30 014 15 822 13 902
𝜚jt 10−12 g cm−3 5.52 6.74 5.48 5.53 5.47 5.11 7.97 5.55
vtrbjt km s−1 66 31 60 65 61 61 97 69
Rpoljt R⊙ 33.0 3.6 32.4 33.1 32.5 33.0 33.3 34.0
vpoljt km s−1 10 3 11 10 14 14 28 17
αjt deg −70 −28 −70 −70 −70 −70 −55 −104
Rinsh R⊙ 7.4 7.3 7.4 7.4 7.4 7.4 7.1 11.1
Routsh R⊙ 72.9 77.0 72.7 73.1 72.8 71.1 69.4 75.7
vsh km s−1 79 98 79 80 78 70 90 87
evelsh 1 1.90 1.97 1.95 1.93 1.96 1.99 1.89 1.93
vysh km s−1 −5 −37 −3 −3 −4 −5 10 −23
Tsh K 5631 5549 5628 5620 5637 5631 18 888 5678
𝜚sh 10−11 g cm−3 2.86 1.42 2.92 2.94 2.91 2.86 0.90 3.05
vtrbsh km s−1 102 134 101 102 99 95 96 96
I deg 96.3 96.2 96.3 96.3 96.3 96.4 96.9 96.4
Ω deg 254.6 254.9 254.6 254.6 254.6 254.0 255.0 254.6
d pc 328.4 294.0 328.6 328.5 328.6 325.7 329.5 328.6
M⋆ M⊙ 13.048 13.048 13.260 13.048 13.048 13.048 13.048 13.048
q 1 0.2230 0.2230 0.2177 0.2230 0.2230 0.2230 0.2230 0.2230
asymjt 1 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00
eveljt 1 1.27 1.29 1.24 1.29 1.21 1.39 1.67 1.25
etmpjt 1 0.00 0.00 0.00 0.00 0.00 −0.55 0.00 0.00
etmpsh 1 −0.01 −0.01 −0.01 −0.01 −0.01 −0.00 −0.64 −0.00
Niter – 2761 965 946 228 1300 1721 1615 879
N – 45 102 45 102 45 102 45 102 45 102 45 102 45 102 45 102
χ2 – 767 681 763 215 743 809 755 684 743 503 739 977 818 502 878 773
– 17.0 16.9 16.5 16.8 16.5 16.4 18.1 19.5
– 7083 11 545 6937 6707 6964 6954 8489 8323
– 56 941 77 843 57 526 57 771 57 837 56 017 56 773 69 041
– 25 910 41 057 25 632 25 792 25 598 25 786 27 332 27 355
– 16 194 11 845 17 183 18 141 17 455 14 690 16 291 24 981
– 8578 24 490 8989 10 018 9289 10 035 14 463 13 188
– 588 455 537 458 565 051 573 972 564 484 565 680 640 013 671 153
– 5959 4478 5951 5884 6017 5833 6958 5016
– 58 562 54 498 56 541 57 398 55 859 54 982 48 183 59 716

Notes. Quantities are the same as in Table 1. The model with jet temperature gradients (denoted ETMPJT) is our preferred model, as explained in Sect. 5.6.

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