Table 2.
Open in new tab

Best-fitting spectral parameters of EQ Peg obtained from the time-resolved spectroscopy of AstroSat/SXT observation.

FlaresSegmentsTimerangekT3EM3Z3log10(Lx)χ2 (DOF)
(ks)(keV)(1053 cm−3)(⁠|$\rm {Z}_{\odot }$|⁠)(cgs unit)
Pre-FlareP01T0+0 – T0 + 6.79|$2.20_{-0.66}^{+0.87}$||$0.9_{-0.1}^{+0.1}$||$0.10_{-0.07}^{+0.05}$||$30.47_{-0.01}^{+0.01}$|1.046 (87)
P02T0+10.14 – T0 + 18.48|$1.61_{-0.10}^{+0.18}$||$1.2_{-0.2}^{+0.2}$||$0.11_{-0.09}^{+0.16}$||$30.48_{-0.01}^{+0.01}$|1.119 (119)
F1P03T0+22.21 – T0 + 23.16|$1.96_{-0.19}^{+0.18}$||$6.6_{-0.6}^{+0.7}$||$0.26_{-0.13}^{+0.14}$||$30.99_{-0.01}^{+0.01}$|1.048 (87)
P04T0+23.16 – T0 + 24.33|$1.66_{-0.13}^{+0.13}$||$7.1_{-0.5}^{+0.6}$||$0.12_{-0.04}^{+0.05}$||$30.92_{-0.01}^{+0.01}$|0.945 (90)
P05T0+28.48 – T0 + 30.18|$1.57_{-0.10}^{+0.11}$||$4.4_{-0.4}^{+0.4}$||$0.22_{-0.06}^{+0.08}$||$30.79_{-0.01}^{+0.01}$|1.028 (95)
P06T0+33.52 – T0 + 41.87|$1.35_{-0.05}^{+0.06}$||$3.3_{-0.3}^{+0.3}$||$0.24_{-0.05}^{+0.06}$||$30.70_{-0.01}^{+0.01}$|1.094 (115)
P07T0+45.21 – T0 + 53.56|$1.29_{-0.05}^{+0.06}$||$2.3_{-0.3}^{+0.3}$||$0.17_{-0.06}^{+0.08}$||$30.62_{-0.01}^{+0.01}$|1.054 (94)
F2P08T0+56.90 – T0 + 58.46|$1.19_{-0.09}^{+0.11}$||$2.7_{-0.4}^{+0.4}$||$0.10_{-0.04}^{+0.05}$||$30.60_{-0.02}^{+0.02}$|1.043 (59)
P09T0+62.75 – T0 + 64.61|$1.39_{-0.08}^{+0.07}$||$5.3_{-0.4}^{+0.5}$||$0.16_{-0.04}^{+0.05}$||$30.83_{-0.01}^{+0.01}$|1.174 (110)
P10T0+68.59 – T0 + 70.76|$1.11_{-0.07}^{+0.05}$||$3.5_{-0.3}^{+0.4}$||$0.13_{-0.03}^{+0.04}$||$30.69_{-0.01}^{+0.01}$|1.310 (92)
P11T0+74.44 – T0 + 76.88|$1.10_{-0.05}^{+0.05}$||$2.8_{-0.3}^{+0.3}$||$0.03_{-0.02}^{+0.02}$||$30.50_{-0.02}^{+0.01}$|1.151 (68)
P12T0+80.29 – T0 + 82.79|$1.00_{-0.10}^{+0.10}$||$2.2_{-0.3}^{+0.3}$||$0.04_{-0.02}^{+0.02}$||$30.48_{-0.02}^{+0.01}$|1.347 (69)
F3P13T0+86.13 – T0 + 88.64|$1.49_{-0.11}^{+0.13}$||$1.9_{-0.3}^{+0.3}$||$0.24_{-0.08}^{+0.12}$||$30.55_{-0.01}^{+0.01}$|1.056 (83)
P14T0+91.98 – T0 + 93.35|$1.36_{-0.08}^{+0.08}$||$3.9_{-0.5}^{+0.5}$||$0.19_{-0.03}^{+0.04}$||$30.66_{-0.02}^{+0.02}$|0.992 (60)
P15T0+93.35 – T0 + 94.48|$1.30_{-0.09}^{+0.09}$||$3.3_{-0.5}^{+0.5}$||$0.22_{-0.07}^{+0.09}$||$30.70_{-0.02}^{+0.02}$|1.248 (57)
P16T0+97.82 – T0 + 100.33|$1.33_{-0.09}^{+0.09}$||$2.3_{-0.3}^{+0.3}$||$0.12_{-0.04}^{+0.06}$||$30.44_{-0.02}^{+0.02}$|1.042 (68)
P17T0+103.72 – T0 + 106.17|$1.00_{-0.15}^{+0.15}$||$2.2_{-0.3}^{+0.3}$||$0.04_{-0.02}^{+0.03}$||$30.40_{-0.02}^{+0.02}$|1.072 (59)
P18T0+109.99 – T0 + 117.86|$0.98_{-0.13}^{+0.13}$||$1.4_{-0.2}^{+0.2}$||$0.10_{-0.03}^{+0.03}$||$30.36_{-0.02}^{+0.02}$|1.412 (71)
Post-flareP19T0+121.20 – T0 + 139.90>1.09|$0.7_{-0.1}^{+0.1}$|>0.03|$30.43_{-0.01}^{+0.01}$|1.208 (92)
FlaresSegmentsTimerangekT3EM3Z3log10(Lx)χ2 (DOF)
(ks)(keV)(1053 cm−3)(⁠|$\rm {Z}_{\odot }$|⁠)(cgs unit)
Pre-FlareP01T0+0 – T0 + 6.79|$2.20_{-0.66}^{+0.87}$||$0.9_{-0.1}^{+0.1}$||$0.10_{-0.07}^{+0.05}$||$30.47_{-0.01}^{+0.01}$|1.046 (87)
P02T0+10.14 – T0 + 18.48|$1.61_{-0.10}^{+0.18}$||$1.2_{-0.2}^{+0.2}$||$0.11_{-0.09}^{+0.16}$||$30.48_{-0.01}^{+0.01}$|1.119 (119)
F1P03T0+22.21 – T0 + 23.16|$1.96_{-0.19}^{+0.18}$||$6.6_{-0.6}^{+0.7}$||$0.26_{-0.13}^{+0.14}$||$30.99_{-0.01}^{+0.01}$|1.048 (87)
P04T0+23.16 – T0 + 24.33|$1.66_{-0.13}^{+0.13}$||$7.1_{-0.5}^{+0.6}$||$0.12_{-0.04}^{+0.05}$||$30.92_{-0.01}^{+0.01}$|0.945 (90)
P05T0+28.48 – T0 + 30.18|$1.57_{-0.10}^{+0.11}$||$4.4_{-0.4}^{+0.4}$||$0.22_{-0.06}^{+0.08}$||$30.79_{-0.01}^{+0.01}$|1.028 (95)
P06T0+33.52 – T0 + 41.87|$1.35_{-0.05}^{+0.06}$||$3.3_{-0.3}^{+0.3}$||$0.24_{-0.05}^{+0.06}$||$30.70_{-0.01}^{+0.01}$|1.094 (115)
P07T0+45.21 – T0 + 53.56|$1.29_{-0.05}^{+0.06}$||$2.3_{-0.3}^{+0.3}$||$0.17_{-0.06}^{+0.08}$||$30.62_{-0.01}^{+0.01}$|1.054 (94)
F2P08T0+56.90 – T0 + 58.46|$1.19_{-0.09}^{+0.11}$||$2.7_{-0.4}^{+0.4}$||$0.10_{-0.04}^{+0.05}$||$30.60_{-0.02}^{+0.02}$|1.043 (59)
P09T0+62.75 – T0 + 64.61|$1.39_{-0.08}^{+0.07}$||$5.3_{-0.4}^{+0.5}$||$0.16_{-0.04}^{+0.05}$||$30.83_{-0.01}^{+0.01}$|1.174 (110)
P10T0+68.59 – T0 + 70.76|$1.11_{-0.07}^{+0.05}$||$3.5_{-0.3}^{+0.4}$||$0.13_{-0.03}^{+0.04}$||$30.69_{-0.01}^{+0.01}$|1.310 (92)
P11T0+74.44 – T0 + 76.88|$1.10_{-0.05}^{+0.05}$||$2.8_{-0.3}^{+0.3}$||$0.03_{-0.02}^{+0.02}$||$30.50_{-0.02}^{+0.01}$|1.151 (68)
P12T0+80.29 – T0 + 82.79|$1.00_{-0.10}^{+0.10}$||$2.2_{-0.3}^{+0.3}$||$0.04_{-0.02}^{+0.02}$||$30.48_{-0.02}^{+0.01}$|1.347 (69)
F3P13T0+86.13 – T0 + 88.64|$1.49_{-0.11}^{+0.13}$||$1.9_{-0.3}^{+0.3}$||$0.24_{-0.08}^{+0.12}$||$30.55_{-0.01}^{+0.01}$|1.056 (83)
P14T0+91.98 – T0 + 93.35|$1.36_{-0.08}^{+0.08}$||$3.9_{-0.5}^{+0.5}$||$0.19_{-0.03}^{+0.04}$||$30.66_{-0.02}^{+0.02}$|0.992 (60)
P15T0+93.35 – T0 + 94.48|$1.30_{-0.09}^{+0.09}$||$3.3_{-0.5}^{+0.5}$||$0.22_{-0.07}^{+0.09}$||$30.70_{-0.02}^{+0.02}$|1.248 (57)
P16T0+97.82 – T0 + 100.33|$1.33_{-0.09}^{+0.09}$||$2.3_{-0.3}^{+0.3}$||$0.12_{-0.04}^{+0.06}$||$30.44_{-0.02}^{+0.02}$|1.042 (68)
P17T0+103.72 – T0 + 106.17|$1.00_{-0.15}^{+0.15}$||$2.2_{-0.3}^{+0.3}$||$0.04_{-0.02}^{+0.03}$||$30.40_{-0.02}^{+0.02}$|1.072 (59)
P18T0+109.99 – T0 + 117.86|$0.98_{-0.13}^{+0.13}$||$1.4_{-0.2}^{+0.2}$||$0.10_{-0.03}^{+0.03}$||$30.36_{-0.02}^{+0.02}$|1.412 (71)
Post-flareP19T0+121.20 – T0 + 139.90>1.09|$0.7_{-0.1}^{+0.1}$|>0.03|$30.43_{-0.01}^{+0.01}$|1.208 (92)
Table 2.
Open in new tab

Best-fitting spectral parameters of EQ Peg obtained from the time-resolved spectroscopy of AstroSat/SXT observation.

FlaresSegmentsTimerangekT3EM3Z3log10(Lx)χ2 (DOF)
(ks)(keV)(1053 cm−3)(⁠|$\rm {Z}_{\odot }$|⁠)(cgs unit)
Pre-FlareP01T0+0 – T0 + 6.79|$2.20_{-0.66}^{+0.87}$||$0.9_{-0.1}^{+0.1}$||$0.10_{-0.07}^{+0.05}$||$30.47_{-0.01}^{+0.01}$|1.046 (87)
P02T0+10.14 – T0 + 18.48|$1.61_{-0.10}^{+0.18}$||$1.2_{-0.2}^{+0.2}$||$0.11_{-0.09}^{+0.16}$||$30.48_{-0.01}^{+0.01}$|1.119 (119)
F1P03T0+22.21 – T0 + 23.16|$1.96_{-0.19}^{+0.18}$||$6.6_{-0.6}^{+0.7}$||$0.26_{-0.13}^{+0.14}$||$30.99_{-0.01}^{+0.01}$|1.048 (87)
P04T0+23.16 – T0 + 24.33|$1.66_{-0.13}^{+0.13}$||$7.1_{-0.5}^{+0.6}$||$0.12_{-0.04}^{+0.05}$||$30.92_{-0.01}^{+0.01}$|0.945 (90)
P05T0+28.48 – T0 + 30.18|$1.57_{-0.10}^{+0.11}$||$4.4_{-0.4}^{+0.4}$||$0.22_{-0.06}^{+0.08}$||$30.79_{-0.01}^{+0.01}$|1.028 (95)
P06T0+33.52 – T0 + 41.87|$1.35_{-0.05}^{+0.06}$||$3.3_{-0.3}^{+0.3}$||$0.24_{-0.05}^{+0.06}$||$30.70_{-0.01}^{+0.01}$|1.094 (115)
P07T0+45.21 – T0 + 53.56|$1.29_{-0.05}^{+0.06}$||$2.3_{-0.3}^{+0.3}$||$0.17_{-0.06}^{+0.08}$||$30.62_{-0.01}^{+0.01}$|1.054 (94)
F2P08T0+56.90 – T0 + 58.46|$1.19_{-0.09}^{+0.11}$||$2.7_{-0.4}^{+0.4}$||$0.10_{-0.04}^{+0.05}$||$30.60_{-0.02}^{+0.02}$|1.043 (59)
P09T0+62.75 – T0 + 64.61|$1.39_{-0.08}^{+0.07}$||$5.3_{-0.4}^{+0.5}$||$0.16_{-0.04}^{+0.05}$||$30.83_{-0.01}^{+0.01}$|1.174 (110)
P10T0+68.59 – T0 + 70.76|$1.11_{-0.07}^{+0.05}$||$3.5_{-0.3}^{+0.4}$||$0.13_{-0.03}^{+0.04}$||$30.69_{-0.01}^{+0.01}$|1.310 (92)
P11T0+74.44 – T0 + 76.88|$1.10_{-0.05}^{+0.05}$||$2.8_{-0.3}^{+0.3}$||$0.03_{-0.02}^{+0.02}$||$30.50_{-0.02}^{+0.01}$|1.151 (68)
P12T0+80.29 – T0 + 82.79|$1.00_{-0.10}^{+0.10}$||$2.2_{-0.3}^{+0.3}$||$0.04_{-0.02}^{+0.02}$||$30.48_{-0.02}^{+0.01}$|1.347 (69)
F3P13T0+86.13 – T0 + 88.64|$1.49_{-0.11}^{+0.13}$||$1.9_{-0.3}^{+0.3}$||$0.24_{-0.08}^{+0.12}$||$30.55_{-0.01}^{+0.01}$|1.056 (83)
P14T0+91.98 – T0 + 93.35|$1.36_{-0.08}^{+0.08}$||$3.9_{-0.5}^{+0.5}$||$0.19_{-0.03}^{+0.04}$||$30.66_{-0.02}^{+0.02}$|0.992 (60)
P15T0+93.35 – T0 + 94.48|$1.30_{-0.09}^{+0.09}$||$3.3_{-0.5}^{+0.5}$||$0.22_{-0.07}^{+0.09}$||$30.70_{-0.02}^{+0.02}$|1.248 (57)
P16T0+97.82 – T0 + 100.33|$1.33_{-0.09}^{+0.09}$||$2.3_{-0.3}^{+0.3}$||$0.12_{-0.04}^{+0.06}$||$30.44_{-0.02}^{+0.02}$|1.042 (68)
P17T0+103.72 – T0 + 106.17|$1.00_{-0.15}^{+0.15}$||$2.2_{-0.3}^{+0.3}$||$0.04_{-0.02}^{+0.03}$||$30.40_{-0.02}^{+0.02}$|1.072 (59)
P18T0+109.99 – T0 + 117.86|$0.98_{-0.13}^{+0.13}$||$1.4_{-0.2}^{+0.2}$||$0.10_{-0.03}^{+0.03}$||$30.36_{-0.02}^{+0.02}$|1.412 (71)
Post-flareP19T0+121.20 – T0 + 139.90>1.09|$0.7_{-0.1}^{+0.1}$|>0.03|$30.43_{-0.01}^{+0.01}$|1.208 (92)
FlaresSegmentsTimerangekT3EM3Z3log10(Lx)χ2 (DOF)
(ks)(keV)(1053 cm−3)(⁠|$\rm {Z}_{\odot }$|⁠)(cgs unit)
Pre-FlareP01T0+0 – T0 + 6.79|$2.20_{-0.66}^{+0.87}$||$0.9_{-0.1}^{+0.1}$||$0.10_{-0.07}^{+0.05}$||$30.47_{-0.01}^{+0.01}$|1.046 (87)
P02T0+10.14 – T0 + 18.48|$1.61_{-0.10}^{+0.18}$||$1.2_{-0.2}^{+0.2}$||$0.11_{-0.09}^{+0.16}$||$30.48_{-0.01}^{+0.01}$|1.119 (119)
F1P03T0+22.21 – T0 + 23.16|$1.96_{-0.19}^{+0.18}$||$6.6_{-0.6}^{+0.7}$||$0.26_{-0.13}^{+0.14}$||$30.99_{-0.01}^{+0.01}$|1.048 (87)
P04T0+23.16 – T0 + 24.33|$1.66_{-0.13}^{+0.13}$||$7.1_{-0.5}^{+0.6}$||$0.12_{-0.04}^{+0.05}$||$30.92_{-0.01}^{+0.01}$|0.945 (90)
P05T0+28.48 – T0 + 30.18|$1.57_{-0.10}^{+0.11}$||$4.4_{-0.4}^{+0.4}$||$0.22_{-0.06}^{+0.08}$||$30.79_{-0.01}^{+0.01}$|1.028 (95)
P06T0+33.52 – T0 + 41.87|$1.35_{-0.05}^{+0.06}$||$3.3_{-0.3}^{+0.3}$||$0.24_{-0.05}^{+0.06}$||$30.70_{-0.01}^{+0.01}$|1.094 (115)
P07T0+45.21 – T0 + 53.56|$1.29_{-0.05}^{+0.06}$||$2.3_{-0.3}^{+0.3}$||$0.17_{-0.06}^{+0.08}$||$30.62_{-0.01}^{+0.01}$|1.054 (94)
F2P08T0+56.90 – T0 + 58.46|$1.19_{-0.09}^{+0.11}$||$2.7_{-0.4}^{+0.4}$||$0.10_{-0.04}^{+0.05}$||$30.60_{-0.02}^{+0.02}$|1.043 (59)
P09T0+62.75 – T0 + 64.61|$1.39_{-0.08}^{+0.07}$||$5.3_{-0.4}^{+0.5}$||$0.16_{-0.04}^{+0.05}$||$30.83_{-0.01}^{+0.01}$|1.174 (110)
P10T0+68.59 – T0 + 70.76|$1.11_{-0.07}^{+0.05}$||$3.5_{-0.3}^{+0.4}$||$0.13_{-0.03}^{+0.04}$||$30.69_{-0.01}^{+0.01}$|1.310 (92)
P11T0+74.44 – T0 + 76.88|$1.10_{-0.05}^{+0.05}$||$2.8_{-0.3}^{+0.3}$||$0.03_{-0.02}^{+0.02}$||$30.50_{-0.02}^{+0.01}$|1.151 (68)
P12T0+80.29 – T0 + 82.79|$1.00_{-0.10}^{+0.10}$||$2.2_{-0.3}^{+0.3}$||$0.04_{-0.02}^{+0.02}$||$30.48_{-0.02}^{+0.01}$|1.347 (69)
F3P13T0+86.13 – T0 + 88.64|$1.49_{-0.11}^{+0.13}$||$1.9_{-0.3}^{+0.3}$||$0.24_{-0.08}^{+0.12}$||$30.55_{-0.01}^{+0.01}$|1.056 (83)
P14T0+91.98 – T0 + 93.35|$1.36_{-0.08}^{+0.08}$||$3.9_{-0.5}^{+0.5}$||$0.19_{-0.03}^{+0.04}$||$30.66_{-0.02}^{+0.02}$|0.992 (60)
P15T0+93.35 – T0 + 94.48|$1.30_{-0.09}^{+0.09}$||$3.3_{-0.5}^{+0.5}$||$0.22_{-0.07}^{+0.09}$||$30.70_{-0.02}^{+0.02}$|1.248 (57)
P16T0+97.82 – T0 + 100.33|$1.33_{-0.09}^{+0.09}$||$2.3_{-0.3}^{+0.3}$||$0.12_{-0.04}^{+0.06}$||$30.44_{-0.02}^{+0.02}$|1.042 (68)
P17T0+103.72 – T0 + 106.17|$1.00_{-0.15}^{+0.15}$||$2.2_{-0.3}^{+0.3}$||$0.04_{-0.02}^{+0.03}$||$30.40_{-0.02}^{+0.02}$|1.072 (59)
P18T0+109.99 – T0 + 117.86|$0.98_{-0.13}^{+0.13}$||$1.4_{-0.2}^{+0.2}$||$0.10_{-0.03}^{+0.03}$||$30.36_{-0.02}^{+0.02}$|1.412 (71)
Post-flareP19T0+121.20 – T0 + 139.90>1.09|$0.7_{-0.1}^{+0.1}$|>0.03|$30.43_{-0.01}^{+0.01}$|1.208 (92)
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