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Table 2

Detected members.

Object Morphology log Lb log Lk Radius Net counts fx Lx
[X rays] 0.5–4.5 keV 0.5–2; 2–10 keV 0.5–10 keV
kpc EPIC-pn erg cm-2 s-1 erg s-1
NGC 4756 group
NGC 4756† E3 10.43 11.23 40 6038.2  ±  119.8 4.8;  0.2 × 10-13 2.1 × 1041
IC0829 SB0 10.02 10.82 4.5 67.9  ±  11.0 4.7;  8.5 × 10-15 5.7 × 1039
MCG-02-33-038† S0/a 9.81 10.50 9 871.0 ±  33.2 7.4;  7.2 × 10-14 6.3 × 1040
NGC 5328 group
NGC 5328† E1 10.89 11.58 110 1906.5  ±  54.8 6.4;  0.6 × 10-13 3.9 × 1041
PGC3094716 E 9.57 10.35 4.9 85.3  ±  20.5 4.9;  8.9 × 10-15 7.7 × 1039
NGC 5330 E/E1 10.07 10.74 4.9 292.4  ±  25.0 1.7;  3.1 × 10-14 2.6 × 1040
2MASX J13525393-2831421 S0/SB0 9.12 9.82 4.9 77.4  ±  20.3 4.4;  8.1 × 10-15 7.0 × 1039
ESO 445- G 070 SB(r)0/a 9.84 10.63 4.9 30.0  ±  9.0†† 3.3;  6.1 × 10-15 5.2 × 1039

Notes. Data from NED and EPIC-pn. K-band luminosities assume MK ⊙  = 3.28. X-ray fluxes and luminosities are computed assuming a power law model with Γ = 1.7 and line-of-sight absorption of 3.5 and 4.6 × 1020 cm-2, for NGC 4756 and NGC 5328 respectively (Kalberla et al. 2005).

(†)

X-ray quantities derive from the spectral analysis, assuming a plasma model for NGC 4756 and NGC 5328, and power law with Γ = 2.1 for MCG-02-33-038. For NGC 4756 flux and luminosities refer to the soft (kT  ~  0.7 keV) component only.

(††)

On a gap in EPIC-pn; counts are derived from the sum of the 2 EPIC-MOS.

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