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Table 6

Distance to, virial radius, and morphology of the nearest neighbor, as well as “strength” of interaction for the HCG galaxies.

HCG R a r vir b  ⟨ R/rvir,   nei ⟩ /nc Type ofd
galaxy kpc kpc nearest neighbor

2a 24 404 0.092 late
2b 24 357 0.108 late
2c 76 255 0.673 late
4a 62 662 0.085 late
4b 28 467 0.041 early
4d 28 399 0.070 late
6a 37 745 0.047 early
6b 13 571 0.023 late
6c 13 528 0.025 late
6d 35 293 0.028 late
7a 36 523 0.043 late
7b 21 458 0.038 late
7c 76 452 0.058 late
7d 21 551 0.032 early
15a 101 736 0.055 early
15b 64 529 0.028 late
15c 49 868 0.030 early
15d 14 507 0.034 late
15e 64 591 0.043 early
15f 14 406 0.020 early
16a 16 563 0.032 late
16b 16 488 0.038 late
16c 37 462 0.034 late
16d 37 611 0.047 late
22a 37 555 0.070 late
22b 17 267 0.034 late
22c 17 285 0.034 late
25a 57 552 0.059 early
25b 9 667 0.032 early
25d 46 334 0.041 late
25f 9 310 0.029 late
37a 17 932 0.037 early
37b 20 455 0.039 late
37c 29 449 0.032 early
37d 20 245 0.037 late
37e 30 150 0.037 late
38a 87 437 0.104 late
38b 9 511 0.056 late
38c 9 399 0.060 late
40a 14 795 0.008 late
40b 12 685 0.008 late
40c 12 774 0.007 early
40d 20 760 0.012 early
40e 13 491 0.006 early
42a 21 998 0.034 early
42b 81 583 0.067 early
42c 21 510 0.041 early
42d 31 288 0.031 early
44a 26 335 0.044 late
44b 26 393 0.069 late
44c 54 348 0.078 late
44d 26 213 0.044 late
47a 34 778 0.052 early
47b 34 554 0.034 late
47c 15 389 0.028 late
47d 15 405 0.025 late
54a 1 147 0.007 late
54b 1 152 0.011 late
54c 1 110 0.005 late
54d 1 87 0.006 late
55a 23 929 0.015 early
55b 17 710 0.019 early
55c 17 790 0.015 early
55d 23 588 0.019 early
56a 59 476 0.046 early

Notes. 

(a)

Projected distance to the nearest neighbor.

(b)

Virial radius.

(c)

“Strength” of interaction as described in Sect. 4.6.

(d)

Morphology of the nearest neighbor.

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