LEDA 3081667
Observation
| Spectrum ID | 80229823_sp1 |
|---|---|
| Alt name | g0954025-341343 |
| z | 0.0314 |
| RA, Dec | 148.5106, -34.2285 |
| MJD | 60078.37 |
| SNR/Å B/R | 15.6/23.9 |
| Obs Airmass | 1.00 |
| SMSS ID | 80229823 |
| Closest SMSS | 9.76'', 80229822 |
| SMSS Mean r6"ap | 15.2 ± 0.0 |
| 2MASS Kext | 11.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.086 |
| Power law αν | -1.13 ± 0.10 |
| log L5100,AGN | 43.33 ± 0.02 |
| log HβBr/[O III] | 0.66 ± 0.01 |
| log ML5100/M☉ | 7.31 ± 0.03 |
| log MHα/M☉ | 7.19 ± 0.03 |
| log MHβ/M☉ | 7.30 ± 0.03 |
| log M[O III]/M☉ | 7.13 ± 0.04 |
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 | 39.61 ± 0.21 | 279 ± 63 | 118 ± 25 | 0.85 ± 0.23 |
| Hγ Broad | 41.02 ± 0.03 | 1968 ± 166 | 780 ± 28 | 21.97 ± 0.65 |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.41 ± 0.24 | 278 ± 63 | 117 ± 25 | 0.58 ± 0.18 |
| He II Broad | 39.58 ± 0.37 | 1776 ± 68 | 754 ± 27 | 0.85 ± 0.46 |
| Hβ Narrow | 39.85 ± 0.10 | 279 ± 63 | 118 ± 25 | 1.61 ± 0.19 |
| Hβ Broad | 41.50 ± 0.01 | 2219 ± 57 | 902 ± 25 | 73.19 ± 0.66 |
| [O III] 5007 | 40.85 ± 0.01 | 279 ± 63 | 118 ± 25 | 16.53 ± 0.23 |
| He I Narrow | 39.47 ± 0.14 | 278 ± 63 | 117 ± 25 | 0.79 ± 0.15 |
| He I Broad | 40.61 ± 0.04 | 3358 ± 73 | 1426 ± 30 | 10.85 ± 0.58 |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | 40.48 ± 0.03 | 278 ± 63 | 117 ± 25 | 9.01 ± 0.25 |
| Hα Broad | 42.02 ± 0.01 | 2169 ± 64 | 860 ± 25 | 313.46 ± 0.64 |
| [N II] 6585 | 40.56 ± 0.02 | 278 ± 63 | 117 ± 25 | 10.89 ± 0.27 |
| [S II] 6718 | 39.74 ± 0.08 | 278 ± 63 | 117 ± 25 | 1.66 ± 0.18 |
| [S II] 6732 | 39.72 ± 0.09 | 278 ± 63 | 117 ± 25 | 1.59 ± 0.18 |
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 | 48.46 |
|---|---|
| Hβ Broad SNR | 19.45 |
| Hγ Broad SNR | 7.90 |
| AGN frac | 0.74 |
| Host frac | 0.26 |
| log L5100,Host | 42.87 |
| Fe II/Hβ | 0.87 |
| Fe II/[O III] | 3.94 |
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.