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Table 1

Basic data of the groups.

Group z a Θ b log(σv)c log(R)d log(LB)e log(MHI)f HI deficiencyf log(Mstar)g log(Mdyn)h
[arcmin] [km s-1] [kpc] [W] [M⊙] [M⊙] [M⊙]
HCG 6 0.0379 1.60 2.40 1.54 37.58 9.71 0.33 11.30 12.63
HCG 15 0.0228 7.70 2.63 2.03 37.63 9.59 0.46 11.04 13.19
HCG 25 0.0212 6.40 1.79 1.82 37.38 >10.15 <0.02 10.96 11.11
HCG 31 0.0135 0.90 1.75 1.04 37.38 10.36 0.18 – –
HCG 40 0.0223 1.70 2.17 1.32 37.66 9.84 0.29 11.56 12.27
HCG 44 0.0046 16.40 2.13 1.72 37.12 8.98 0.76 10.75 12.68
HCG 47 0.0317 2.30 1.63 1.70 37.44 9.95 0.28 11.24 11.60
HCG 55 0.0526 0.90 2.33 1.42 37.71 – – 11.39 12.49
HCG 56 0.0270 2.10 2.23 1.47 37.47 9.38 0.73 10.92 12.78
HCG 57 0.0304 5.50 2.43 2.00 37.98 9.73 0.86 11.70 12.55
HCG 67 0.0245 3.30 2.32 1.83 37.92 9.69 0.62 11.43 12.13
HCG 68 0.0080 9.20 2.19 1.66 37.54 >9.77 <0.12 11.29 12.80
HCG 79 0.0145 1.30 2.14 0.97 37.17 9.64 0.08 10.80 11.68
HCG 82 0.0362 3.10 2.79 1.99 37.89 <9.71 >0.76 11.54 13.01
HCG 91 0.0238 5.20 2.26 1.86 37.89 10.38 0.20 11.13 12.64
HCG 95 0.0396 1.50 2.49 1.62 37.80 >10.12 <0.21 11.22 12.67
HCG 96 0.0292 2.30 2.12 1.62 37.76 >10.22 <0.17 – –
HCG 100 0.0178 3.60 1.95 1.72 37.24 >9.97 <0.28 10.79 11.13

Notes.

(a)

Redshift from NED.

(b)

Angular size (Hickson 1982).

(c)

Radial velocity dispersion (Hickson et al. 1992).

(d)

Median projected distance from Hickson et al. (1992), adapted to our distance.

(e)

Blue luminosity, from Hickson et al. (1992), adapted to our distance.

(f)

Total HI mass, adapted to our distance, and HI deficiency defined as log(M(HI))predicted–log(M(HI))observed, from Borthakur et al. (2010), if available, or otherwise from Verdes-Montenegro et al. (2001).

(g)

Total stellar mass, from Bitsakis et al. (2011), adapted to our distance.

(h)

Dynamical mass, from Bitsakis et al. (2011), adapted to our distance.

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