LEDA 327393
Observation
| Spectrum ID | 486017094_sp1 |
|---|---|
| Alt name | g2052301-635820 |
| z | 0.0768 |
| RA, Dec | 313.1255, -63.9721 |
| MJD | 60164.57 |
| SNR/Å B/R | 13.8/25.1 |
| Obs Airmass | 1.19 |
| SMSS ID | 486017094 |
| Closest SMSS | 9.08'', 486017082 |
| SMSS Mean r6"ap | 16.7 ± 0.0 |
| 2MASS Kext | 13.1 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.035 |
| Power law αν | -1.98 ± 0.02 |
| log L5100,AGN | 42.87 ± 0.04 |
| log HβBr/[O III] | 0.09 ± 0.08 |
| log ML5100/M☉ | 7.51 ± 0.32 |
| log MHα/M☉ | 6.70 ± 0.05 |
| log MHβ/M☉ | 7.34 ± 0.32 |
| log M[O III]/M☉ | 7.42 ± 0.32 |
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 | 39.54 ± 0.27 | 307 ± 63 | 130 ± 25 | 2.37 ± 0.90 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.44 ± 0.29 | 303 ± 62 | 128 ± 25 | 1.88 ± 0.79 |
| He II Narrow | 39.10 ± 0.47 | 303 ± 62 | 128 ± 25 | 0.88 ± 0.77 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.03 ± 0.08 | 307 ± 63 | 130 ± 25 | 7.38 ± 0.86 |
| Hβ Broad | 40.71 ± 0.07 | 3518 ± 1111 | 1727 ± 102 | 35.42 ± 3.21 |
| [O III] 5007 | 40.62 ± 0.02 | 307 ± 63 | 130 ± 25 | 28.80 ± 0.97 |
| He I Narrow | — | — | — | — |
| He I Broad | 39.40 ± 0.43 | 1956 ± 62 | 830 ± 25 | 1.75 ± 1.42 |
| [O I] 6300 | 39.02 ± 0.38 | 303 ± 62 | 128 ± 25 | 0.73 ± 0.45 |
| Hα Narrow | 40.65 ± 0.02 | 303 ± 62 | 128 ± 25 | 30.82 ± 0.55 |
| Hα Broad | 41.06 ± 0.02 | 2408 ± 95 | 1061 ± 44 | 80.69 ± 2.20 |
| [N II] 6585 | 40.43 ± 0.02 | 303 ± 62 | 128 ± 25 | 18.70 ± 0.55 |
| [S II] 6718 | 40.01 ± 0.06 | 303 ± 62 | 128 ± 25 | 7.12 ± 0.70 |
| [S II] 6732 | 39.88 ± 0.09 | 303 ± 62 | 128 ± 25 | 5.27 ± 0.79 |
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 | 3.56 |
|---|---|
| Hβ Broad SNR | 1.46 |
| Hγ Broad SNR | 0.43 |
| AGN frac | 0.23 |
| Host frac | 0.77 |
| log L5100,Host | 43.40 |
| Fe II/Hβ | 1.03 |
| Fe II/[O III] | 1.27 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
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.