LEDA 970982
Observation
| Spectrum ID | 5029916_sp1 |
|---|---|
| Alt name | g2148071-110100 |
| z | 0.0590 |
| RA, Dec | 327.0297, -11.0167 |
| MJD | 60910.54 |
| SNR/Å B/R | 11.3/21.5 |
| Obs Airmass | 1.08 |
| SMSS ID | 5029916 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.7 ± 0.0 |
| 2MASS Kext | 13.1 ± 0.2 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.039 |
| Power law αν | -1.42 ± 0.12 |
| log L5100,AGN | 42.81 ± 0.03 |
| log HβBr/[O III] | <-0.01 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.94 ± 0.04 |
| 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 | 39.53 ± 0.19 | 221 ± 62 | 93 ± 25 | 2.49 ± 0.71 |
| He II Narrow | 39.51 ± 0.18 | 221 ± 62 | 93 ± 25 | 2.48 ± 0.68 |
| He II Broad | — | — | — | — |
| Hβ Narrow | — | — | — | — |
| Hβ Broad | <40.46 | — | — | — |
| [O III] 5007 | 40.48 ± 0.03 | 283 ± 64 | 135 ± 25 | 23.67 ± 0.87 |
| He I Narrow | 39.29 ± 0.19 | 221 ± 62 | 93 ± 25 | 1.70 ± 0.39 |
| He I Broad | 40.06 ± 0.17 | 5578 ± 62 | 2369 ± 25 | 9.97 ± 2.08 |
| [O I] 6300 | 38.95 ± 0.31 | 221 ± 62 | 93 ± 25 | 0.81 ± 0.38 |
| Hα Narrow | 39.81 ± 0.08 | 221 ± 62 | 93 ± 25 | 5.95 ± 0.49 |
| Hα Broad | 41.19 ± 0.01 | 2905 ± 94 | 1220 ± 30 | 144.69 ± 2.09 |
| [N II] 6585 | 40.04 ± 0.03 | 221 ± 62 | 93 ± 25 | 10.27 ± 0.50 |
| [S II] 6718 | 39.16 ± 0.22 | 221 ± 62 | 93 ± 25 | 1.36 ± 0.41 |
| [S II] 6732 | 38.98 ± 0.30 | 221 ± 62 | 93 ± 25 | 0.91 ± 0.40 |
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 | 4.73 |
|---|---|
| Hβ Broad SNR | 0.76 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.28 |
| Host frac | 0.72 |
| log L5100,Host | 43.21 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
l5100 | 1 |
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.