LEDA 596567
Observation
| Spectrum ID | 1705936_sp2 |
|---|---|
| Alt name | g2245238-393441 |
| z | 0.0983 |
| RA, Dec | 341.3493, -39.5779 |
| MJD | 60114.79 |
| SNR/Å B/R | 8.9/10.8 |
| Obs Airmass | 1.01 |
| SMSS ID | 1705936 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.5 ± 0.1 |
| 2MASS Kext | 12.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.011 |
| Power law αν | 0.10 ± 0.31 |
| log L5100,AGN | 43.32 ± 0.06 |
| log HβBr/[O III] | 0.46 ± 0.03 |
| log ML5100/M☉ | 7.80 ± 0.07 |
| log MHα/M☉ | 7.73 ± 0.04 |
| log MHβ/M☉ | 8.02 ± 0.06 |
| log M[O III]/M☉ | 7.96 ± 0.06 |
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 | 39.81 ± 0.40 | 480 ± 63 | 206 ± 26 | 1.12 ± 0.84 |
| Hγ Broad | 41.18 ± 0.07 | 3134 ± 229 | 1144 ± 49 | 26.15 ± 2.00 |
| [O III] 4364 | 39.96 ± 0.34 | 477 ± 63 | 202 ± 25 | 1.62 ± 0.73 |
| He II Narrow | 40.05 ± 0.27 | 477 ± 63 | 202 ± 25 | 2.31 ± 0.79 |
| He II Broad | 39.84 ± 0.46 | 1205 ± 69 | 512 ± 28 | 1.39 ± 1.22 |
| Hβ Narrow | 40.47 ± 0.13 | 480 ± 63 | 206 ± 26 | 6.51 ± 1.08 |
| Hβ Broad | 41.99 ± 0.02 | 3924 ± 262 | 4116 ± 90 | 219.68 ± 5.86 |
| [O III] 5007 | 41.53 ± 0.01 | 480 ± 63 | 206 ± 26 | 80.44 ± 1.43 |
| He I Narrow | 39.96 ± 0.25 | 477 ± 63 | 202 ± 25 | 3.01 ± 1.15 |
| He I Broad | 41.55 ± 0.05 | 12257 ± 93 | 5205 ± 38 | 116.68 ± 6.22 |
| [O I] 6300 | 40.20 ± 0.18 | 477 ± 63 | 202 ± 25 | 6.11 ± 1.50 |
| Hα Narrow | 41.16 ± 0.03 | 477 ± 63 | 202 ± 25 | 60.94 ± 1.80 |
| Hα Broad | 42.35 ± 0.01 | 3216 ± 121 | 1743 ± 26 | 940.71 ± 6.64 |
| [N II] 6585 | 41.42 ± 0.02 | 477 ± 63 | 202 ± 25 | 111.57 ± 2.39 |
| [S II] 6718 | 40.82 ± 0.04 | 477 ± 63 | 202 ± 25 | 29.47 ± 2.18 |
| [S II] 6732 | 40.83 ± 0.05 | 477 ± 63 | 202 ± 25 | 30.22 ± 2.09 |
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 | 15.35 |
|---|---|
| Hβ Broad SNR | 5.07 |
| Hγ Broad SNR | 1.98 |
| AGN frac | 0.40 |
| Host frac | 0.60 |
| log L5100,Host | 43.49 |
| Fe II/Hβ | 0.60 |
| Fe II/[O III] | 1.73 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
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.