LEDA 685659
Observation
| Spectrum ID | 31896569_sp1 |
|---|---|
| Alt name | g0607283-324852 |
| z | 0.0307 |
| RA, Dec | 91.8679, -32.8145 |
| MJD | 60290.59 |
| SNR/Å B/R | 6.3/13.1 |
| Obs Airmass | 1.01 |
| SMSS ID | 31896569 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 17.7 ± 0.1 |
| 2MASS Kext | 13.5 ± 0.2 |
AGN Properties
| Spectrum Type | SF |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.041 |
| Power law αν | -0.19 ± 0.10 |
| log L5100,AGN | 41.65 ± 0.03 |
| log HβBr/[O III] | — |
| log ML5100/M☉ | — |
| log MHα/M☉ | — |
| log MHβ/M☉ | — |
| log M[O III]/M☉ | — |
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 | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 39.16 ± 0.07 | 169 ± 63 | 81 ± 28 | 15.03 ± 2.36 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 38.82 ± 0.14 | 169 ± 63 | 81 ± 28 | 6.93 ± 2.39 |
| He I Narrow | — | — | — | — |
| He I Broad | 39.31 ± 0.14 | 2952 ± 62 | 1254 ± 25 | 30.21 ± 5.57 |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | 39.77 ± 0.01 | 166 ± 62 | 66 ± 25 | 106.57 ± 1.46 |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 39.35 ± 0.03 | 166 ± 62 | 66 ± 25 | 40.46 ± 1.35 |
| [S II] 6718 | 38.93 ± 0.09 | 166 ± 62 | 66 ± 25 | 16.10 ± 1.75 |
| [S II] 6732 | 38.85 ± 0.08 | 166 ± 62 | 66 ± 25 | 13.46 ± 1.67 |
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 | 0.22 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.16 |
| Host frac | 0.84 |
| log L5100,Host | 42.37 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 2 |
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.