Table 12
Mean observed (obs), host-galaxy-corrected (cor) and narrow-line-subtracted (cor-line) fluxes and standard deviations of Hα, Hβ, and the blue and red continuum in different monitored periods.
| UT-date | JD period | Fcnt(5100) ± σ | F(Hβ) ±σ | F(Hα) ±σ | Fcnt(6200) ±σ | |
| 1 | 2 | 3 | 4 | 5 | 6 | |
|
|
||||||
| 1987 | obs | 46 976 | 15.31* | 17.99* | 59.64 ± 3.31(5.6%) | 16.54 ± 0.51(3.1%) |
| cor | 4.01* | 16.64* | 57.91 ± 3.32(5.7%) | 4.44 ± 0.51(11.5%) | ||
| cor-line | – | 11.18* | 44.39 ± 3.32(7.5%) | – | ||
| 1988–1994 | obs | 48 413 | 14.34 ± 0.89(6.2%) | 13.35 ± 0.93(6.9%) | 42.87 ± 4.33(10.1%) | 15.69 ± 1.27(8.1%) |
| cor | 3.04 ± 0.89(29.2%) | 12.00 ± 0.93(7.7%) | 41.63 ± 4.53(10.9%) | 3.59 ± 1.27(35.4%) | ||
| cor-line | – | 7.31 ± 2.07(28.3%) | 28.11 ± 4.53(16.1%) | – | ||
|
|
||||||
| 1987/(1988–1994) | obs | 1.07 | 1.35 | 1.39 | 1.05 | |
| cor | 1.32 | 1.39 | 1.39 | 1.24 | ||
| cor-line | – | 1.53 | 1.58 | – | ||
|
|
||||||
| 1998 | obs | 50 940–51 021 | 18.74 ± 1.29(6.9%) | 17.26 ± 0.91(5.3%) | 61.52 ± 3.73(6.1%) | 18.86 ± 1.07(5.7%) |
| cor | 7.57 ± 1.27(16.7%) | 15.65 ± 1.15(7.4%) | 56.51 ± 8.02(14.2%) | 6.93 ± 1.00(14.4%) | ||
| cor-line | – | 10.19 ± 1.15(11.3%) | 42.99 ± 8.02(18.7%) | – | ||
| 1999–2010 | obs | 51 410–55 367 | 15.79 ± 1.24(7.8%) | 13.05 ± 0.86(6.6%) | 44.63 ± 4.70(10.5%) | 16.64 ± 1.29(7.8%) |
| cor | 4.49 ± 1.24(27.5%) | 11.72 ± 0.85(7.3%) | 42.95 ± 4.76(11.1%) | 4.54 ± 1.29(28.5%) | ||
| cor-line | – | 6.26 ± 0.85(13.6%) | 29.43 ± 4.76(16.2%) | – | ||
|
|
||||||
| 1998/(1999–2010) | obs | 1.19 | 1.32 | 1.38 | 1.13 | |
| cor | 1.69 | 1.34 | 1.32 | 1.53 | ||
| cor-line | – | 1.63 | 1.46 | – | ||
Notes. The continuum flux is listed in units of 10-16 erg cm-2 s-1 Å-1, the line flux in units of 10-14 erg cm-2 s-1. – Column (1): observed period. Column (2): Julian date period in units of 2 400 000+. Columns (3–6): mean flux and standard deviations of blue continuum, Hβ, Hα, and red continuum, the error in percentages is given in brackets. The middle and last row give the ratio of the mean fluxes in 1987 and in 1988–1994, and in 1998 and in 1999–2010, respectively.
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