LEDA 193275
Observation
| Spectrum ID | 1743013_sp1 |
|---|---|
| Alt name | g2238225-353348 |
| z | 0.0620 |
| RA, Dec | 339.5936, -35.5632 |
| MJD | 59438.47 |
| SNR/Å B/R | 15.6/34.4 |
| Obs Airmass | 1.57 |
| SMSS ID | 1743013 |
| Closest SMSS | 3.30'', 2003015250 |
| SMSS Mean r6"ap | 16.2 ± 0.0 |
| 2MASS Kext | 12.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.011 |
| Power law αν | -1.30 ± 0.21 |
| log L5100,AGN | 43.21 ± 0.03 |
| log HβBr/[O III] | -0.22 ± 0.16 |
| log ML5100/M☉ | 7.01 ± 0.13 |
| log MHα/M☉ | 6.45 ± 0.05 |
| log MHβ/M☉ | 6.53 ± 0.16 |
| log M[O III]/M☉ | 6.75 ± 0.14 |
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 | 39.49 ± 0.41 | 403 ± 65 | 439 ± 41 | 0.85 ± 0.84 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.38 ± 0.37 | 355 ± 63 | 149 ± 25 | 0.71 ± 0.40 |
| He II Broad | 39.56 ± 0.42 | 1178 ± 62 | 500 ± 25 | 1.07 ± 0.72 |
| Hβ Narrow | 40.48 ± 0.07 | 403 ± 65 | 440 ± 41 | 9.26 ± 0.78 |
| Hβ Broad | 40.35 ± 0.15 | 1663 ± 244 | 696 ± 98 | 6.16 ± 0.98 |
| [O III] 5007 | 40.57 ± 0.05 | 403 ± 65 | 440 ± 41 | 11.63 ± 0.81 |
| He I Narrow | 38.83 ± 0.49 | 355 ± 63 | 149 ± 25 | 0.23 ± 0.22 |
| He I Broad | 39.97 ± 0.16 | 2474 ± 63 | 1050 ± 25 | 3.25 ± 0.63 |
| [O I] 6300 | 39.19 ± 0.28 | 355 ± 63 | 149 ± 25 | 0.56 ± 0.22 |
| Hα Narrow | 40.92 ± 0.01 | 355 ± 63 | 149 ± 25 | 31.25 ± 0.29 |
| Hα Broad | 41.25 ± 0.01 | 1586 ± 63 | 570 ± 25 | 65.82 ± 0.59 |
| [N II] 6585 | 40.66 ± 0.02 | 355 ± 63 | 149 ± 25 | 17.09 ± 0.28 |
| [S II] 6718 | 40.20 ± 0.03 | 355 ± 63 | 149 ± 25 | 5.99 ± 0.26 |
| [S II] 6732 | 39.94 ± 0.06 | 355 ± 63 | 149 ± 25 | 3.30 ± 0.25 |
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 | 8.95 |
|---|---|
| Hβ Broad SNR | 1.34 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.40 |
| Host frac | 0.60 |
| log L5100,Host | 43.39 |
| Fe II/Hβ | 6.97 |
| Fe II/[O III] | 3.77 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
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.