LEDA 1068565
Observation
| Spectrum ID | 7576254_sp1 |
|---|---|
| Alt name | g2240280-033860 |
| z | 0.0655 |
| RA, Dec | 340.1167, -3.6499 |
| MJD | 60168.57 |
| SNR/Å B/R | 14.3/27.5 |
| Obs Airmass | 1.23 |
| SMSS ID | 7576254 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.3 ± 0.0 |
| 2MASS Kext | 12.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.8+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.040 |
| Power law αν | -1.97 ± 0.03 |
| log L5100,AGN | 41.64 ± 0.59 |
| log HβBr/[O III] | <-0.67 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.41 ± 0.21 |
| log MHβ/M☉ | — |
| log M[O III]/M☉ | — |
Spatial extraction & sky subtraction region
Spaxel scale: 1 arcsec² — Flux units: erg s⁻¹ cm⁻² Å⁻¹
Apertures: object (solid), background (dashed)
Spectrum decomposition
Emission line measurements
| Line | log L (erg s⁻¹) | FWHM (km s⁻¹) | σ (km s⁻¹) | EW (Å) |
|---|---|---|---|---|
| Hγ Narrow | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.52 ± 0.27 | 433 ± 62 | 183 ± 25 | 38.71 ± 14.96 |
| He II Broad | 39.55 ± 0.38 | 1178 ± 62 | 500 ± 25 | 41.57 ± 24.56 |
| Hβ Narrow | 39.97 ± 0.13 | 517 ± 65 | 459 ± 31 | 110.33 ± 25.67 |
| Hβ Broad | <40.08 | — | — | — |
| [O III] 5007 | 40.75 ± 0.03 | 517 ± 65 | 459 ± 31 | 657.06 ± 28.81 |
| He I Narrow | 39.37 ± 0.29 | 433 ± 62 | 183 ± 25 | 27.33 ± 9.67 |
| He I Broad | 39.29 ± 0.44 | 1178 ± 62 | 500 ± 25 | 23.17 ± 15.97 |
| [O I] 6300 | 39.65 ± 0.13 | 433 ± 62 | 183 ± 25 | 52.88 ± 9.76 |
| Hα Narrow | 40.45 ± 0.03 | 433 ± 62 | 183 ± 25 | 332.89 ± 10.75 |
| Hα Broad | 40.92 ± 0.04 | 1914 ± 427 | 1874 ± 44 | 977.14 ± 41.02 |
| [N II] 6585 | 40.66 ± 0.01 | 433 ± 62 | 183 ± 25 | 536.83 ± 10.50 |
| [S II] 6718 | 40.30 ± 0.03 | 433 ± 62 | 183 ± 25 | 237.65 ± 11.77 |
| [S II] 6732 | 39.79 ± 0.10 | 433 ± 62 | 183 ± 25 | 73.13 ± 10.05 |
All narrow line widths are tied to narrow [O III] 5007Å. [O III] 5007Å and narrow Hβ include a second narrow component not tied to other narrow lines.
Emission summary
| Hα Broad SNR | 2.11 |
|---|---|
| Hβ Broad SNR | 0.77 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.01 |
| Host frac | 0.99 |
| log L5100,Host | 43.51 |
| Fe II/Hβ | — |
| Fe II/[O III] | 0.95 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 2 |
balmer_width | 2 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.