LEDA 537038
Observation
| Spectrum ID | 488425522_sp1 |
|---|---|
| Alt name | g2150248-442750 |
| z | 0.0906 |
| RA, Dec | 327.6032, -44.4639 |
| MJD | 60168.6 |
| SNR/Å B/R | 5.5/9.9 |
| Obs Airmass | 1.03 |
| SMSS ID | 488425522 |
| Closest SMSS | 10.30'', 488425521 |
| SMSS Mean r6"ap | 16.2 ± 0.0 |
| 2MASS Kext | 12.3 ± 0.1 |
AGN Properties
| Spectrum Type | SF |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.013 |
| Power law αν | -1.85 ± 0.13 |
| log L5100,AGN | 43.09 ± 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 | 40.37 ± 0.14 | 519 ± 64 | 381 ± 48 | 9.43 ± 1.63 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.93 ± 0.19 | 486 ± 63 | 206 ± 25 | 3.45 ± 0.97 |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.89 ± 0.05 | 519 ± 64 | 381 ± 48 | 31.82 ± 1.54 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 40.79 ± 0.04 | 519 ± 64 | 381 ± 48 | 25.36 ± 1.62 |
| He I Narrow | 39.80 ± 0.18 | 486 ± 63 | 206 ± 25 | 2.68 ± 0.55 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 40.02 ± 0.12 | 486 ± 63 | 206 ± 25 | 4.40 ± 0.63 |
| Hα Narrow | 41.60 ± 0.01 | 486 ± 63 | 206 ± 25 | 124.49 ± 0.70 |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 41.21 ± 0.01 | 486 ± 63 | 206 ± 25 | 50.35 ± 0.67 |
| [S II] 6718 | 40.62 ± 0.03 | 486 ± 63 | 206 ± 25 | 17.92 ± 0.75 |
| [S II] 6732 | 40.47 ± 0.04 | 486 ± 63 | 206 ± 25 | 12.79 ± 0.74 |
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 | 0.00 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.65 |
| Host frac | 0.35 |
| log L5100,Host | 42.82 |
| Fe II/Hβ | — |
| Fe II/[O III] | 0.81 |
Quality flags
spurious_hab/hbb | 1.0/0 |
|---|---|
l5100 | 0 |
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.