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Table 3
Spectral fits and unabsorbed 0.2–10.0 keV luminosities of r2-75.
| Date | ObsID | Ta | Model | NH/1020 cm-2 | Parameter | χ2/d.o.f. | LXb | |
|
|
||||||||
| 08-Dec.-2009 | 11276 | PL | 6 | Γ = 1.7 | – | <0.17 | ||
| 22-Dec.-2009 | 00031518013 | 0 | DBB | 6.1 ± 1.7 | Tin = 1.15 ± 0.06 keV | 124/125 | 175 ± 7 | |
| 01-Jan.-2010 | 11277 | 10 | Pileup × DBB | 6 | Tin = 1.04 ± 0.17 | 14.3/12 | 110 ± 36 | |
| 27-Jan.-2010 | 00031518014 | 36 | DBB | 6 | Tin = 0.82 ± 0.06 keV | 33/35 | 50 ± 4 | |
| 04-Feb.-2010 | 11278 | 44 | Pileup × DBB | 6 | Tin= 0.72 ± 0.17 | 5.92/8 | 37.6 ± 8.7 | |
| 22-Feb.-2010 | 00031518015 | 62 | DBB+PL | 6 |  keV,  |
30/37 | 35 ± 2 | |
| 27-May-2010 | 11838 | 156 | PL | 6 | Γ= 2.0 ± 0.14 | 34/28 | 8.7 ± 1.0 | |
| 6-Jun.-2010 | 00031255012 | 166 | PL CF | 6 | Γ = 2.5 | NA | 13 ± 2 | |
| 9-Jun.-2010 | 00031255013 | 169 | PL CF | 6 | Γ = 2.5 | NA | 8.8 ± 1.2 | |
| 12-Jun.-2010 | 00031255014 | 172 | PL CF | 6 | Γ = 2.5 | NA | 7.9 ± 1.2 | |
| 15-Jun.-2010 | 00031255015 | 175 | PL CF | 6 | Γ = 2.5 | NA | 5.2 ± 1.6 | |
| 18-Jun.-2010 | 00031255016 | 178 | PL CF | 6 | Γ = 2.5 | NA | 7.6 ± 1.2 | |
| 23-Jun.-2010 | 11839 | 183 | PL | 6 | Γ = 2.3 ± 0.29 | 10.9/10 | 5.2 ± 1.3 | |
| 24-Jun.-2010 | 00031255018 | 184 | PL CF | 6 | Γ = 2.5 | NA | 7.2 ± 1.2 | |
| 24-Aug.-2010 | 11841 | PL | 6 | Γ = 1.7 | – | <0.16 | ||
Notes. Parameters which have been frozen are listed without uncertainties.
(a)
Corresponding time to the horizontal axis in Fig. 2.
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