Line | EW(Å) | FWHM(Å) | Flux(*) | EW(Å) | FWHM(Å) | Flux(*) |
August 1998 | July 2004 | |||||
H![]() |
2.9(3) | 7.2 | 56 | - | - | - |
H![]() |
3.9(2) | 7.5 | 73 | 4.2(2) | 7.3 | 136 |
HeI 4471 | 1.0(1) | 7.5 | 17 | 0.9(1) | 6.2 | 30 |
CIII-NIII(+) | 2.0(1) | 21.3 | 36 | 2.3(2) | 26.9 | 71 |
HeII 4686(+) | 5.9(1) | 10.6 | 110 | 5.7(2) | 10.5 | 182 |
H![]() |
6.1(3) | 8.5 | 109 | 6.4(3) | 8.0 | 201 |
HeII 5411 | 1.5(3) | 12.8 | 23 | 1.4(2) | 15.2 | 42 |
HeI 5875(+) | 2(2) | 8.1 | 32 | 2.0(2) | 7.9 | 55 |
H![]() |
16.5(4) | 10.7 | 252 | - | - | - |
Errors bars on last digit in parentheses. FWHM: corrected for instrumental resolution (typical errors of 0.6 Å in 1998 and 0.3 Å in 2004). * Line flux in units of 10-16 ![]() (+) Measurements derived from Gaussian fits. |