LEDA 139165
Observation
| Spectrum ID | 87797365_sp1 |
|---|---|
| Alt name | g0906479-151744 |
| z | 0.0549 |
| RA, Dec | 136.6997, -15.2955 |
| MJD | 60403.43 |
| SNR/Å B/R | 3.4/8.5 |
| Obs Airmass | 1.04 |
| SMSS ID | 87797365 |
| Closest SMSS | 12.55'', 87797367 |
| SMSS Mean r6"ap | 16.6 ± 0.0 |
| 2MASS Kext | 12.7 ± 0.1 |
AGN Properties
| Spectrum Type | Bad |
|---|---|
| Quality Flag | bad_blue |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.058 |
| Power law αν | -0.17 ± 0.12 |
| log L5100,AGN | 42.63 ± 0.01 |
| log HβBr/[O III] | 0.37 ± 0.07 |
| log ML5100/M☉ | 6.72 ± 0.03 |
| log MHα/M☉ | 5.70 ± 0.08 |
| log MHβ/M☉ | 6.55 ± 0.06 |
| log M[O III]/M☉ | 6.48 ± 0.07 |
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 | — | — | — | — |
| Hβ Broad | 40.47 ± 0.04 | 1600 ± 25 | 591 ± 25 | 32.89 ± 1.95 |
| [O III] 5007 | 40.10 ± 0.05 | 231 ± 63 | 161 ± 53 | 14.75 ± 1.01 |
| He I Narrow | — | — | — | — |
| He I Broad | — | — | — | — |
| [O I] 6300 | 38.64 ± 0.37 | 222 ± 62 | 94 ± 25 | 0.77 ± 0.35 |
| Hα Narrow | 40.16 ± 0.02 | 222 ± 62 | 94 ± 25 | 27.60 ± 0.49 |
| Hα Broad | 40.39 ± 0.02 | 1221 ± 63 | 459 ± 25 | 47.06 ± 1.15 |
| [N II] 6585 | 39.85 ± 0.02 | 222 ± 62 | 94 ± 25 | 13.52 ± 0.48 |
| [S II] 6718 | 39.34 ± 0.07 | 222 ± 62 | 94 ± 25 | 4.36 ± 0.45 |
| [S II] 6732 | 39.13 ± 0.14 | 222 ± 62 | 94 ± 25 | 2.73 ± 0.45 |
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 | 2.99 |
|---|---|
| Hβ Broad SNR | 3.73 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.90 |
| Host frac | 0.11 |
| log L5100,Host | 41.70 |
| Fe II/Hβ | 1.50 |
| Fe II/[O III] | 3.52 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 2 |
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.