LEDA 931842
Observation
| Spectrum ID | 14500904_sp1 |
|---|---|
| Alt name | g0209537-135321 |
| z | 0.0728 |
| RA, Dec | 32.4739, -13.8892 |
| MJD | 59905.51 |
| SNR/Å B/R | 4.2/8.9 |
| Obs Airmass | 1.05 |
| SMSS ID | 14500904 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.4 ± 0.1 |
| 2MASS Kext | 12.9 ± 0.1 |
AGN Properties
| Spectrum Type | Bad |
|---|---|
| Quality Flag | bad_all |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.022 |
| Power law αν | -0.25 ± 0.17 |
| log L5100,AGN | 42.90 ± 0.01 |
| log HβBr/[O III] | 0.51 ± 0.07 |
| log ML5100/M☉ | 7.82 ± 0.06 |
| log MHα/M☉ | 7.16 ± 0.06 |
| log MHβ/M☉ | 7.74 ± 0.07 |
| log M[O III]/M☉ | 7.61 ± 0.08 |
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 | 39.30 ± 0.47 | — | 320 ± 25 | 0.97 ± 0.91 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | 39.97 ± 0.24 | 1974 ± 62 | 838 ± 25 | 5.11 ± 1.68 |
| Hβ Narrow | 39.45 ± 0.43 | — | 320 ± 25 | 1.69 ± 0.88 |
| Hβ Broad | 40.92 ± 0.05 | 4968 ± 306 | 1942 ± 28 | 49.07 ± 3.45 |
| [O III] 5007 | 40.41 ± 0.05 | — | 320 ± 25 | 16.03 ± 1.98 |
| He I Narrow | 39.05 ± 0.34 | 317 ± 62 | 133 ± 25 | 0.91 ± 0.50 |
| He I Broad | 40.10 ± 0.11 | 2809 ± 62 | 1193 ± 25 | 10.31 ± 1.29 |
| [O I] 6300 | 39.03 ± 0.30 | 317 ± 62 | 133 ± 25 | 0.99 ± 0.42 |
| Hα Narrow | 40.27 ± 0.03 | 317 ± 62 | 133 ± 25 | 18.78 ± 0.53 |
| Hα Broad | 41.19 ± 0.01 | 3777 ± 196 | 1536 ± 26 | 153.76 ± 2.09 |
| [N II] 6585 | 39.97 ± 0.04 | 317 ± 62 | 133 ± 25 | 9.45 ± 0.51 |
| [S II] 6718 | 39.69 ± 0.08 | 317 ± 62 | 133 ± 25 | 5.12 ± 0.54 |
| [S II] 6732 | 39.45 ± 0.14 | 317 ± 62 | 133 ± 25 | 2.94 ± 0.54 |
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 | 3.62 |
|---|---|
| Hβ Broad SNR | 2.13 |
| Hγ Broad SNR | 0.48 |
| AGN frac | 0.86 |
| Host frac | 0.14 |
| log L5100,Host | 42.12 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
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.