Table 2.
Parameters of the ejecta emission lines identified in the spectrum of V1425 Aql.
| Line | λ0 | vs | vr | rp | Fs | Ft |
|---|---|---|---|---|---|---|
| [nm] | [km s−1] | [km s−1] | [arcsec] | [10−18 W m−2] | [10−18 W m−2] | |
| He II | 468.57 | 44(15) | 455(21) | 0.81(08) | 3.69(07) | 8.21(16) |
| Hβ | 486.13 | 46(15) | 523(21) | 0.82(08) | 7.36(13) | 16.36(28) |
| [O III]a | 495.89 | 172(14) | 1508(20) | 2.32(11) | 2.83(11) | 8.08(30) |
| [O III]b | 500.68 | |||||
| Inner | 51(14) | 448(20) | 0.72(08) | 2.04(08) | 4.54(18) | |
| Outer | 85(14) | 1497(20) | 2.27(11) | 7.78(14) | 22.22(39) | |
| He II | 541.2 | – | – | – | 0.17(01) | 0.37(02) |
| N II | 568.0 | – | – | – | 0.84(02) | 1.86(05) |
| He I | 587.57 | 61(12) | 535(17) | 0.84(08) | 1.96(04) | 4.36(08) |
| [N II]a | 654.81 | 103(11) | 479(16) | 0.66(09) | 3.60(14) | 8.00(31) |
| Hα | 656.28 | 111(11) | 565(16) | 0.79(08) | 25(1) | 55(2) |
| [N II]b | 658.36 | |||||
| Inner | 91(11) | 483(16) | 0.68(08) | 10.28(40) | 22.8(1) | |
| Outer | [75(25)] | 1661(27) | 2.42(11) | 2.41(05) | 6.88(13) | |
| He I | 667.81 | 81(11) | 559(16) | 0.85(08) | 0.77(07) | 1.72(15) |
Notes. For each transition, we give the rest wavelength λ0, the systemic velocity vs, the maximum radial velocity vr, the projected spatial extension rp, the extinction corrected flux in the slit Fs, and the extrapolated total flux Ft. The parentheses give the estimated 1σ uncertainties.
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