LEDA 3096064
Observation
| Spectrum ID | 92017726_sp1 |
|---|---|
| Alt name | g1142422-170646 |
| z | 0.0684 |
| RA, Dec | 175.6759, -17.1129 |
| MJD | 61124.67 |
| SNR/Å B/R | 15.7/25.3 |
| Obs Airmass | 1.24 |
| SMSS ID | 92017726 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.0 ± 0.0 |
| 2MASS Kext | 12.7 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.036 |
| Power law αν | -0.24 ± 0.23 |
| log L5100,AGN | 43.41 ± 0.03 |
| log HβBr/[O III] | 0.42 ± 0.04 |
| log ML5100/M☉ | 7.47 ± 0.17 |
| log MHα/M☉ | 7.37 ± 0.02 |
| log MHβ/M☉ | 7.31 ± 0.18 |
| log M[O III]/M☉ | 7.25 ± 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 | — | — | — | — |
| Hγ Broad | 40.45 ± 0.13 | 1326 ± 112 | 355 ± 27 | 3.96 ± 0.70 |
| [O III] 4364 | 39.56 ± 0.40 | 331 ± 63 | 140 ± 25 | 0.55 ± 0.33 |
| He II Narrow | 39.27 ± 0.47 | 331 ± 63 | 140 ± 25 | 0.32 ± 0.31 |
| He II Broad | 39.80 ± 0.36 | 1178 ± 62 | 500 ± 25 | 1.09 ± 0.60 |
| Hβ Narrow | 40.04 ± 0.17 | 387 ± 63 | 159 ± 25 | 2.03 ± 0.37 |
| Hβ Broad | 41.26 ± 0.03 | 2554 ± 489 | 1290 ± 44 | 33.04 ± 1.29 |
| [O III] 5007 | 40.84 ± 0.02 | 387 ± 63 | 159 ± 25 | 13.29 ± 0.41 |
| He I Narrow | 39.20 ± 0.44 | 331 ± 63 | 140 ± 25 | 0.41 ± 0.34 |
| He I Broad | 40.79 ± 0.07 | 4349 ± 64 | 1847 ± 26 | 15.49 ± 1.36 |
| [O I] 6300 | 39.88 ± 0.13 | 331 ± 63 | 140 ± 25 | 2.19 ± 0.38 |
| Hα Narrow | 40.94 ± 0.02 | 331 ± 63 | 140 ± 25 | 26.96 ± 0.49 |
| Hα Broad | 41.88 ± 0.01 | 2935 ± 75 | 1310 ± 32 | 235.18 ± 2.00 |
| [N II] 6585 | 40.76 ± 0.03 | 331 ± 63 | 140 ± 25 | 17.97 ± 0.49 |
| [S II] 6718 | 40.22 ± 0.07 | 331 ± 63 | 140 ± 25 | 5.30 ± 0.51 |
| [S II] 6732 | 40.10 ± 0.10 | 331 ± 63 | 140 ± 25 | 4.07 ± 0.55 |
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 | 10.99 |
|---|---|
| Hβ Broad SNR | 3.93 |
| Hγ Broad SNR | 1.50 |
| AGN frac | 0.40 |
| Host frac | 0.60 |
| log L5100,Host | 43.59 |
| Fe II/Hβ | 0.26 |
| Fe II/[O III] | 0.68 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 1 |
balmer_width | 2 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.