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Table C.1

Comparison between 14N/15N ratios obtained from HNC and HCN in this work and those obtained from N2H+ and CN by Fontani et al. (2015a).

Source D GC
(kpc)
HMSC
I00117-MM2 460 ± 80 282 ± 54 670 ± 98 ≥ 561 – 69 9.5
AFGL5142-EC 398 ± 39 398 ± 18 1100 ± 360 ≥ 1034 330 ± 67 74 10.3
05358-mm3 388 ± 28 433 ± 20 210 ± 12 180 ± 13 400 ± 90 74 10.3
G034-G2(MM2) 365 ± 71 ≥ 147 ≥ 856 ≥ 873 – 50 6.3
G034-F1(MM8) 495 ± 72 369 ± 80 ≥ 566 ≥ 672 – 47 5.8
G034-F2(MM7) 783 ± 263 ≥ 168 ≥ 195 ≥ 232 – 47 5.8
G028-C1(MM9) 260 ± 30 287 ± 55 ≥ 1217 ≥ 1445 – 40 4.7
G028-C3(MM11) 338 ± 53 ≥ 250 – – – 40 4.7
I20293-WC 439 ± 90 620 ± 180 65 ± 69 550 ± 98 – 62 8.3
I22134-G 369 ± 35 322 ± 14 ≥ 232 ≥ 197 330 ± 150 69 9.5
I22134-B 414 ± 85 406 ± 50 ≥ 316 ≥ 322 – 69 9.5
HMPO
I00117-MM1 388 ± 75 345 ± 38 220 ± 60 ≥ 233 ≥ 250 69 9.5
AFGL5142-MM 433 ± 27 387 ± 10 740 ± 97 1300 ± 210 190 ± 23 74 10.3
05358-mm1 466 ± 29 432 ± 18 190 ± 20 180 ± 23 240 ± 40 74 10.3
18089–1732 385 ± 204 338 ± 9 1000 ± 400 800 ± 100 450 ± 100 43 5
18517+0437 349 ± 22 326 ± 9 390 ± 53 260 ± 20 310 ± 80 51 6.4
G75-core 554 ± 84 258 ± 3 ≥ 209 ≥ 240 240 ± 50 63 8.4
I20293-MM1 481 ± 33 504 ± 25 790 ± 67 370 ± 42 – 62 8.3
I21307 ≥ 317 389 ± 46 ≥ 301 ≥ 346 ≥ 175 68 9.3
I23385 639 ± 189 290 ± 26 ≥ 81 ≥ 66 – 81 11.4
UC HII
G5.89-0.39 432 ± 10 255 ± 12 320 ± 25 450 ± 51 350 ± 160 55 7.2
I19035-VLA1 570 ± 107 340 ± 27 ≥ 572 ≥ 754 ≥ 270 54 7
19410+2336 431 ± 24 405 ± 12 450 ± 96 500 ± 100 430 ± 250 58 7.7
ON1 467 ± 19 327 ± 8 460 ± 22 350 ± 33 350 ± 220 60 8
I22134-VLA1 364 ± 43 390 ± 18 ≥ 80 ≥ 108 250 ± 84 69 9.5
23033+5951 397 ± 35 458 ± 21 900 ± 400 700 ± 250 ≥ 370 74 10.2
NGC 7538-IRS9 331 ± 37 410 ± 20 ≥ 255 ≥ 294 230 ± 90 72 9.9

Notes. Columns 2 and 3 list the 14N/15N ratios for HNC and HCN found in this work. Columns 4–6 list the 14N/15N ratios for N2H+ and CN found by Fontani et al. (2015a). Column 7 lists the values of 12C/13C found from the gradient with the Galactocentric distances given by Milam et al. (2005). The last column lists the Galactocentric distances of the sources obtained from the source distance from the Sun (taken from Fontani et al. 2011) and the corresponding Galactic longitude.

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