LEDA 1017286
Observation
| Spectrum ID | 5189111_sp1 |
|---|---|
| Alt name | g2202338-073225 |
| z | 0.0592 |
| RA, Dec | 330.6410, -7.5403 |
| MJD | 60091.78 |
| SNR/Å B/R | 11.3/18.1 |
| Obs Airmass | 1.13 |
| SMSS ID | 5189111 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.6 ± 0.1 |
| 2MASS Kext | 12.7 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.028 |
| Power law αν | -1.51 ± 0.26 |
| log L5100,AGN | 43.20 ± 0.03 |
| log HβBr/[O III] | 0.27 ± 0.02 |
| log ML5100/M☉ | 7.21 ± 0.03 |
| log MHα/M☉ | 6.77 ± 0.04 |
| log MHβ/M☉ | 7.26 ± 0.04 |
| log M[O III]/M☉ | 7.28 ± 0.03 |
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 | 39.96 ± 0.12 | 303 ± 63 | 160 ± 26 | 2.68 ± 0.42 |
| Hγ Broad | 40.71 ± 0.06 | 2358 ± 177 | 872 ± 53 | 15.37 ± 1.12 |
| [O III] 4364 | 39.95 ± 0.09 | 288 ± 63 | 121 ± 25 | 2.66 ± 0.38 |
| He II Narrow | 39.95 ± 0.09 | 288 ± 63 | 121 ± 25 | 2.78 ± 0.34 |
| He II Broad | 40.73 ± 0.06 | 3352 ± 148 | 1423 ± 62 | 17.08 ± 1.18 |
| Hβ Narrow | 40.36 ± 0.05 | 303 ± 63 | 160 ± 26 | 7.22 ± 0.39 |
| Hβ Broad | 41.49 ± 0.02 | 2125 ± 67 | 3557 ± 99 | 97.41 ± 2.81 |
| [O III] 5007 | 41.22 ± 0.01 | 303 ± 63 | 160 ± 26 | 53.05 ± 0.43 |
| He I Narrow | 39.33 ± 0.27 | 288 ± 63 | 121 ± 25 | 0.74 ± 0.25 |
| He I Broad | 40.39 ± 0.06 | 1335 ± 91 | 567 ± 37 | 8.31 ± 0.57 |
| [O I] 6300 | 39.92 ± 0.05 | 288 ± 63 | 121 ± 25 | 3.02 ± 0.25 |
| Hα Narrow | 40.82 ± 0.02 | 288 ± 63 | 121 ± 25 | 24.32 ± 0.39 |
| Hα Broad | 41.81 ± 0.01 | 1545 ± 65 | 765 ± 25 | 235.35 ± 1.04 |
| [N II] 6585 | 40.57 ± 0.02 | 288 ± 63 | 121 ± 25 | 13.68 ± 0.35 |
| [S II] 6718 | 40.17 ± 0.03 | 288 ± 63 | 121 ± 25 | 5.46 ± 0.29 |
| [S II] 6732 | 40.06 ± 0.04 | 288 ± 63 | 121 ± 25 | 4.32 ± 0.27 |
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 | 28.80 |
|---|---|
| Hβ Broad SNR | 8.50 |
| Hγ Broad SNR | 2.75 |
| AGN frac | 0.61 |
| Host frac | 0.39 |
| log L5100,Host | 43.00 |
| Fe II/Hβ | 0.51 |
| Fe II/[O III] | 0.95 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 2 |
balmer_width | 0 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.