LEDA 14727
Observation
| Spectrum ID | 24422052_sp1 |
|---|---|
| Alt name | g0414527-075540 |
| z | 0.0381 |
| RA, Dec | 63.7194, -7.9277 |
| MJD | 60266.57 |
| SNR/Å B/R | 5.9/9.9 |
| Obs Airmass | 1.11 |
| SMSS ID | 24422052 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 14.6 ± 0.1 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.072 |
| Power law αν | 0.18 ± 0.21 |
| log L5100,AGN | 43.86 ± 0.02 |
| log HβBr/[O III] | -0.41 ± 0.03 |
| log ML5100/M☉ | 8.10 ± 0.07 |
| log MHα/M☉ | 7.93 ± 0.09 |
| log MHβ/M☉ | 8.18 ± 0.07 |
| log M[O III]/M☉ | 8.56 ± 0.08 |
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 | 41.09 ± 0.08 | 253 ± 63 | 149 ± 29 | 5.92 ± 0.69 |
| Hγ Broad | 41.59 ± 0.08 | 2166 ± 506 | 889 ± 131 | 18.44 ± 1.47 |
| [O III] 4364 | 41.02 ± 0.07 | 240 ± 63 | 100 ± 25 | 5.43 ± 0.47 |
| He II Narrow | 40.80 ± 0.10 | 240 ± 63 | 100 ± 25 | 3.78 ± 0.42 |
| He II Broad | 41.09 ± 0.13 | 1685 ± 214 | 715 ± 90 | 7.23 ± 1.08 |
| Hβ Narrow | 41.50 ± 0.03 | 253 ± 63 | 149 ± 29 | 20.15 ± 0.77 |
| Hβ Broad | 42.20 ± 0.03 | 4246 ± 334 | 1515 ± 138 | 98.17 ± 1.91 |
| [O III] 5007 | 42.61 ± 0.01 | 253 ± 63 | 149 ± 29 | 278.01 ± 1.33 |
| He I Narrow | 40.32 ± 0.15 | 240 ± 63 | 100 ± 25 | 2.09 ± 0.38 |
| He I Broad | 41.16 ± 0.09 | 2700 ± 315 | 1146 ± 133 | 13.24 ± 1.22 |
| [O I] 6300 | 40.76 ± 0.06 | 240 ± 63 | 100 ± 25 | 6.57 ± 0.45 |
| Hα Narrow | 41.99 ± 0.03 | 240 ± 63 | 100 ± 25 | 121.56 ± 1.23 |
| Hα Broad | 42.87 ± 0.01 | 2802 ± 289 | 1513 ± 79 | 924.45 ± 3.18 |
| [N II] 6585 | 40.80 ± 0.18 | 240 ± 63 | 100 ± 25 | 7.75 ± 0.87 |
| [S II] 6718 | 41.03 ± 0.04 | 240 ± 63 | 100 ± 25 | 14.06 ± 0.56 |
| [S II] 6732 | 40.88 ± 0.05 | 240 ± 63 | 100 ± 25 | 10.03 ± 0.54 |
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 | 25.09 |
|---|---|
| Hβ Broad SNR | 5.95 |
| Hγ Broad SNR | 3.01 |
| AGN frac | 0.79 |
| Host frac | 0.20 |
| log L5100,Host | 43.27 |
| Fe II/Hβ | 0.27 |
| Fe II/[O III] | 0.10 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
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.