LEDA 3096589
Observation
| Spectrum ID | 234143384_sp1 |
|---|---|
| Alt name | g2039272-301852 |
| z | 0.0796 |
| RA, Dec | 309.8633, -30.3145 |
| MJD | 60082.74 |
| SNR/Å B/R | 16.5/20.7 |
| Obs Airmass | 1.04 |
| SMSS ID | 234143384 |
| Closest SMSS | 13.96'', 234143625 |
| SMSS Mean r6"ap | 15.8 ± 0.1 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.060 |
| Power law αν | -0.69 ± 0.07 |
| log L5100,AGN | 44.08 ± 0.01 |
| log HβBr/[O III] | 0.32 ± 0.01 |
| log ML5100/M☉ | 7.30 ± 0.03 |
| log MHα/M☉ | 7.22 ± 0.05 |
| log MHβ/M☉ | 7.30 ± 0.03 |
| log M[O III]/M☉ | 7.32 ± 0.03 |
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 | 41.04 ± 0.10 | 481 ± 63 | 398 ± 26 | 3.77 ± 0.34 |
| Hγ Broad | 41.62 ± 0.04 | 1271 ± 70 | 646 ± 51 | 14.31 ± 0.56 |
| [O III] 4364 | 39.75 ± 0.43 | 461 ± 63 | 195 ± 25 | 0.20 ± 0.20 |
| He II Narrow | 40.40 ± 0.17 | 461 ± 63 | 195 ± 25 | 0.96 ± 0.21 |
| He II Broad | 41.13 ± 0.09 | 3568 ± 129 | 1515 ± 54 | 5.15 ± 0.58 |
| Hβ Narrow | 41.53 ± 0.04 | 481 ± 63 | 398 ± 26 | 13.48 ± 0.37 |
| Hβ Broad | 42.23 ± 0.01 | 1512 ± 52 | 1087 ± 31 | 68.30 ± 0.75 |
| [O III] 5007 | 41.92 ± 0.01 | 481 ± 63 | 398 ± 26 | 34.53 ± 0.40 |
| He I Narrow | 39.98 ± 0.29 | 461 ± 63 | 195 ± 25 | 0.49 ± 0.18 |
| He I Broad | 41.22 ± 0.04 | 2105 ± 86 | 894 ± 35 | 8.71 ± 0.44 |
| [O I] 6300 | 40.51 ± 0.07 | 461 ± 63 | 195 ± 25 | 1.85 ± 0.19 |
| Hα Narrow | 41.93 ± 0.01 | 461 ± 63 | 195 ± 25 | 51.00 ± 0.37 |
| Hα Broad | 42.70 ± 0.01 | 1389 ± 63 | 709 ± 25 | 301.74 ± 0.71 |
| [N II] 6585 | 41.22 ± 0.03 | 461 ± 63 | 195 ± 25 | 9.92 ± 0.31 |
| [S II] 6718 | 40.63 ± 0.07 | 461 ± 63 | 195 ± 25 | 2.60 ± 0.29 |
| [S II] 6732 | 40.53 ± 0.08 | 461 ± 63 | 195 ± 25 | 2.10 ± 0.29 |
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 | 63.02 |
|---|---|
| Hβ Broad SNR | 22.12 |
| Hγ Broad SNR | 8.39 |
| AGN frac | 0.92 |
| Host frac | 0.08 |
| log L5100,Host | 42.99 |
| Fe II/Hβ | 1.54 |
| Fe II/[O III] | 3.17 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 2 |
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.