LEDA 3096179
Observation
| Spectrum ID | 104044209_sp1 |
|---|---|
| Alt name | PGC 3096179 |
| z | 0.0819 |
| RA, Dec | 190.6544, -24.7111 |
| MJD | 61097.65 |
| SNR/Å B/R | 3.7/7.1 |
| Obs Airmass | 1.02 |
| SMSS ID | 104044209 |
| Closest SMSS | 12.45'', 104044208 |
| SMSS Mean r6"ap | 16.3 ± 0.0 |
| 2MASS Kext | 12.1 ± 0.1 |
AGN Properties
| Spectrum Type | Bad |
|---|---|
| Quality Flag | bad_blue |
| AGN reference | PGC |
| MW E(B−V) | 0.088 |
| Power law αν | -1.50 ± 0.11 |
| log L5100,AGN | 43.17 ± 0.03 |
| log HβBr/[O III] | 0.40 ± 0.12 |
| log ML5100/M☉ | 7.50 ± 0.13 |
| log MHα/M☉ | 6.72 ± 0.07 |
| log MHβ/M☉ | 7.29 ± 0.14 |
| log M[O III]/M☉ | 7.22 ± 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 | 40.22 ± 0.25 | — | 291 ± 25 | 5.32 ± 1.14 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 39.67 ± 0.45 | — | 291 ± 25 | 1.57 ± 1.00 |
| Hβ Broad | 40.90 ± 0.09 | 3005 ± 436 | 1222 ± 41 | 25.69 ± 2.94 |
| [O III] 5007 | 40.50 ± 0.07 | — | 291 ± 25 | 10.63 ± 1.08 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.35 ± 0.18 | 3729 ± 62 | 1583 ± 25 | 8.18 ± 1.84 |
| [O I] 6300 | 39.18 ± 0.44 | 315 ± 62 | 133 ± 25 | 0.58 ± 0.45 |
| Hα Narrow | 40.71 ± 0.04 | 315 ± 62 | 133 ± 25 | 19.75 ± 0.71 |
| Hα Broad | 41.43 ± 0.02 | 1906 ± 150 | 1051 ± 29 | 103.97 ± 1.95 |
| [N II] 6585 | 40.49 ± 0.04 | 315 ± 62 | 133 ± 25 | 12.07 ± 0.53 |
| [S II] 6718 | 39.74 ± 0.18 | 315 ± 62 | 133 ± 25 | 2.17 ± 0.67 |
| [S II] 6732 | 39.54 ± 0.32 | 315 ± 62 | 133 ± 25 | 1.37 ± 0.66 |
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 | 4.47 |
|---|---|
| Hβ Broad SNR | 1.42 |
| Hγ Broad SNR | 0.68 |
| AGN frac | 0.82 |
| Host frac | 0.18 |
| log L5100,Host | 42.51 |
| Fe II/Hβ | 1.28 |
| Fe II/[O III] | 3.14 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
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.