Table A.5.
Properties of emission lines in TDE spectra modeled with Gaussian profiles.
| TDE class | Phase | Line | λ0 | EW | FWHM | Luminosity |
|---|---|---|---|---|---|---|
| (days) | (Å) | (Å) | (km s−1) | (1038 erg s−1) | ||
| SRGe J011603.1+072258 (ID 5) | ||||||
| TDE-H+He | 40 | He II λ4686 | 4685.7 | 72.68 ±13.24 | 19381 ±969 | 1344 ± 44.39 |
| Hβ broad | 4861.3 | 6.33 ±1.19 | 2435 ±122 | 72.60 ± 18.42 | ||
| Hα broad | 6562.8 | 11.95 ±2.45 | 3758 ±188 | 96.16 ± 17.11 | ||
| 65 | He II λ4686 | — | — | — | < 24.89 | |
| Hα broad | — | — | — | < 25.32 | ||
| Hβ broad | — | — | — | < 19.51 | ||
| SRGe J131014.7+444319 (ID 26) | ||||||
| TDE-H+He | 29 | He II λ4686 | 4685.7 | 40.69 ±6.43 | 17263 ±1726 | 1353± 203 |
| Hβ broad | 4861.3 | 12.44±1.92 | 11616±1162 | 367.3 ± 55.1 | ||
| Hα broad | 6562.8 | 25.13 ±3.90 | 11235±1124 | 473.7 ± 51.72 | ||
| Bowen blend | 4566.1±36.5 | 9.12±1.33 | 5639±564 | 299.1±44.87 | ||
| 67 | He II λ4686 | 4685.7 | 33.91 ±5.14 | 12779±1278 | 690.7 ± 103.6 | |
| Hβ broad | 4861.3 | 22.44±3.46 | 11616 ±1026 | 408.3±61.25 | ||
| Hα broad | 6562.8 | 48.07±7.61 | 11103 ±1110 | 606.7±51.43 | ||
| Bowen blend | 4600.3±27.5 | 9.27±1.50 | 4220±422 | 184.5±27.67 | ||
| 244 | He II λ4686 | — | — | — | < 31.30 | |
| Hα broad | — | — | — | < 49.26 | ||
| Hβ broad | — | — | — | < 12.63 | ||
| SRGe J153331.5+390536 (ID 39) | ||||||
| — | 142 | He II λ4686 | 4685.7 | 25.76 ± 4.99 | 28474±1424 | 188.7±150.5 |
| Hα broad | 6541.13±22.36 | 3.83±1.95 | 3758±189 | 42.30±21.15 | ||
| SRGe J153503.3+455054 (ID 41) | ||||||
| TDE-H? | 303 | Hα broad | 6562.8 | 9.95±1.52 | 2679 ±134 | 912.5±136.2 |
| He II λ4686 | — | — | — | < 165.0 | ||
| SRGe J175023.7+712857 (ID 58) | ||||||
| TDE-H+He | 182 | He II λ4686 | 4685.7 | 25.77±4.86 | 22597±1130 | 692.6±142.9 |
| Hα blue | 6477.2±5.7 | 3.08 ±2.34 | 1255 ±815 | 85.28 ± 64.21 | ||
| Hα broad | 6525.0±10.8 | 8.76±7.91 | 5365 ±3752 | 241.2±216.5 | ||
| Hα red1 | 6594.4±7.2 | 3.48±2.36 | 1326±742 | 94.91±63.54 | ||
| Hα red2 | 6651.6±8.2 | 6.85±3.22 | 2278±783 | 184.9±85.09 | ||
| 1333 | He II λ4686 | — | — | — | < 26.57 | |
| Hα | — | — | — | < 31.56 | ||
| SRGe J213527.2-181635 (ID 66) | ||||||
| TDE-H+He | 11 | He II λ4686 | 4690.0±2.67 | 39.45 ±7.52 | 30132±3366 | 2420 ± 674 |
| Hα broad | 6588.2±110.4 | 20.20 ±4.29 | 12029 ±4033 | 1018 ± 209 | ||
| Hα rest | 6567.1±17.2 | 3.82 ±2.35 | 1909 ±1380 | 193±119 | ||
| Hα blue | 6472.6±20.8 | 2.69±2.02 | 2238 ±1289 | 127±105 | ||
| 33 | He II λ4686 | 4690.00±0.85 | 15.18 ±6.32 | 22598 ±4185 | 604.2±251.5 | |
| Hα broad | 6562.8±126.5 | 14.90±4.98 | 9265 ±3765 | 450±151 | ||
| Hα rest | 6567.1 ±19.7 | 3.67 ± 1.89 | 1855 ±209 | 111±57 | ||
| Hα blue | 6472.6±18.9 | 2.84 ± 1.45 | 2047 ±417 | 83.3±53.9 | ||
| 302 | He II λ4686 | — | — | — | < 43.57 | |
| Hα broad | — | — | — | < 52.19 | ||
| SRGe J235453.0+421711 (ID 70) | ||||||
| TDE-He | 197 | He II λ4686 | 4515.7±12.5 | 69.97 ± 13.48 | 24262 ± 7809 | 966.9±179.2 |
| Hβ broad | 4861.3 | 5.73 ±2.22 | 1595 ± 607 | 79.88±32.15 | ||
| Hα broad | — | — | — | < 48.81 | ||
Notes. For SRGe J235453.0+421711 (ID 70), the skewness of He II λ4686 line is −0.36 ± 0.29. Given the non-detection of Hα, we classify this object as TDE-He. While a Gaussian centered on Hβ is favored by BIC (ΔBIC = 11.42 > 10), we note that this line detection is of very low significance (2.6σ). Similarly, given the low significance of line EWs of SRGe J153331.5+390536 (ID 39), we do not assign a spectroscopic subtype for this event.
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