LEDA 838526
Observation
| Spectrum ID | 6443647_sp1 |
|---|---|
| Alt name | g2338130-204006 |
| z | 0.0639 |
| RA, Dec | 354.5542, -20.6684 |
| MJD | 60165.69 |
| SNR/Å B/R | 16.2/30.3 |
| Obs Airmass | 1.02 |
| SMSS ID | 6443647 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.3 ± 0.1 |
| 2MASS Kext | 12.1 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.024 |
| Power law αν | -1.92 ± 0.09 |
| log L5100,AGN | 42.08 ± 0.26 |
| log HβBr/[O III] | 0.32 ± 0.05 |
| log ML5100/M☉ | 8.33 ± 0.15 |
| log MHα/M☉ | 7.11 ± 0.04 |
| log MHβ/M☉ | 8.71 ± 0.10 |
| log M[O III]/M☉ | 8.70 ± 0.09 |
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 | 39.59 ± 0.37 | 509 ± 70 | 430 ± 28 | 16.42 ± 9.41 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | 39.88 ± 0.28 | 2340 ± 63 | 993 ± 25 | 32.27 ± 16.64 |
| Hβ Narrow | 40.19 ± 0.09 | 509 ± 70 | 430 ± 28 | 65.00 ± 8.57 |
| Hβ Broad | 41.18 ± 0.05 | 13392 ± 1355 | 5507 ± 43 | 638.55 ± 34.54 |
| [O III] 5007 | 40.86 ± 0.02 | 509 ± 70 | 431 ± 28 | 309.03 ± 8.87 |
| He I Narrow | 39.10 ± 0.36 | 364 ± 63 | 154 ± 25 | 5.47 ± 3.12 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 40.12 ± 0.04 | 364 ± 63 | 154 ± 25 | 57.32 ± 3.21 |
| Hα Narrow | 40.42 ± 0.03 | 364 ± 63 | 154 ± 25 | 115.81 ± 3.61 |
| Hα Broad | 41.43 ± 0.02 | 2978 ± 93 | 3118 ± 66 | 1193.52 ± 20.48 |
| [N II] 6585 | 40.42 ± 0.03 | 364 ± 63 | 154 ± 25 | 115.22 ± 3.50 |
| [S II] 6718 | 40.24 ± 0.03 | 364 ± 63 | 154 ± 25 | 76.02 ± 3.38 |
| [S II] 6732 | 40.16 ± 0.04 | 364 ± 63 | 154 ± 25 | 64.25 ± 3.46 |
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 | 5.02 |
|---|---|
| Hβ Broad SNR | 1.45 |
| Hγ Broad SNR | 0.39 |
| AGN frac | 0.03 |
| Host frac | 0.97 |
| log L5100,Host | 43.53 |
| Fe II/Hβ | 0.58 |
| Fe II/[O III] | 1.19 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.