LEDA 1057320
Observation
| Spectrum ID | 14013755_sp1 |
|---|---|
| Alt name | g0134456-043013 |
| z | 0.0794 |
| RA, Dec | 23.6901, -4.5036 |
| MJD | 59079.63 |
| SNR/Å B/R | 17.6/32.6 |
| Obs Airmass | 1.44 |
| SMSS ID | 14013755 |
| Closest SMSS | 12.88'', 14013756 |
| SMSS Mean r6"ap | 16.2 ± 0.1 |
| 2MASS Kext | 12.1 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.030 |
| Power law αν | -0.53 ± 0.17 |
| log L5100,AGN | 43.59 ± 0.02 |
| log HβBr/[O III] | -0.02 ± 0.02 |
| log ML5100/M☉ | 8.16 ± 0.18 |
| log MHα/M☉ | 7.94 ± 0.03 |
| log MHβ/M☉ | 8.16 ± 0.18 |
| log M[O III]/M☉ | 8.33 ± 0.18 |
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 | 40.28 ± 0.17 | 544 ± 63 | 285 ± 26 | 1.98 ± 0.40 |
| Hγ Broad | 41.01 ± 0.07 | 2439 ± 163 | 779 ± 34 | 10.45 ± 0.70 |
| [O III] 4364 | 40.34 ± 0.13 | 487 ± 63 | 206 ± 25 | 2.27 ± 0.32 |
| He II Narrow | 39.76 ± 0.37 | 487 ± 63 | 206 ± 25 | 0.66 ± 0.30 |
| He II Broad | 40.39 ± 0.16 | 1292 ± 114 | 548 ± 47 | 2.63 ± 0.50 |
| Hβ Narrow | 40.66 ± 0.08 | 544 ± 63 | 285 ± 26 | 5.63 ± 0.43 |
| Hβ Broad | 41.78 ± 0.02 | 5174 ± 1098 | 2928 ± 61 | 72.91 ± 1.48 |
| [O III] 5007 | 41.80 ± 0.01 | 544 ± 63 | 285 ± 26 | 79.82 ± 0.52 |
| He I Narrow | 39.73 ± 0.25 | 487 ± 63 | 206 ± 25 | 0.87 ± 0.25 |
| He I Broad | 40.18 ± 0.19 | 1929 ± 126 | 819 ± 53 | 2.43 ± 0.54 |
| [O I] 6300 | 40.63 ± 0.02 | 487 ± 63 | 206 ± 25 | 7.53 ± 0.29 |
| Hα Narrow | 41.11 ± 0.02 | 487 ± 63 | 206 ± 25 | 24.41 ± 0.38 |
| Hα Broad | 42.40 ± 0.01 | 3965 ± 140 | 2136 ± 25 | 472.24 ± 1.36 |
| [N II] 6585 | 40.97 ± 0.03 | 487 ± 63 | 206 ± 25 | 17.57 ± 0.36 |
| [S II] 6718 | 40.77 ± 0.03 | 487 ± 63 | 206 ± 25 | 11.44 ± 0.43 |
| [S II] 6732 | 40.72 ± 0.02 | 487 ± 63 | 206 ± 25 | 10.36 ± 0.46 |
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 | 24.16 |
|---|---|
| Hβ Broad SNR | 6.05 |
| Hγ Broad SNR | 2.89 |
| AGN frac | 0.49 |
| Host frac | 0.51 |
| log L5100,Host | 43.60 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 1 |
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.