Z 387-34
Observation
| Spectrum ID | 15202037_sp1 |
|---|---|
| Alt name | g0206160-001729 |
| z | 0.0419 |
| RA, Dec | 31.5666, -0.2914 |
| MJD | 60258.51 |
| SNR/Å B/R | 24.2/44.1 |
| Obs Airmass | 1.19 |
| SMSS ID | 15202037 |
| Closest SMSS | 5.48'', 2027386294 |
| SMSS Mean r6"ap | 15.0 ± 0.0 |
| 2MASS Kext | 10.5 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.8+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.023 |
| Power law αν | 0.43 ± 0.06 |
| log L5100,AGN | 42.53 ± 0.07 |
| log HβBr/[O III] | <-0.58 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.45 ± 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 | 39.96 ± 0.19 | 348 ± 63 | 236 ± 29 | 9.15 ± 2.91 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.63 ± 0.26 | 339 ± 62 | 143 ± 25 | 4.39 ± 1.62 |
| He II Narrow | 39.33 ± 0.37 | 339 ± 62 | 143 ± 25 | 2.60 ± 1.65 |
| He II Broad | 41.33 ± 0.05 | 17661 ± 62 | 7500 ± 25 | 260.74 ± 12.81 |
| Hβ Narrow | 40.42 ± 0.05 | 348 ± 63 | 236 ± 29 | 34.65 ± 3.08 |
| Hβ Broad | <40.75 | — | — | — |
| [O III] 5007 | 41.33 ± 0.01 | 348 ± 63 | 236 ± 29 | 308.03 ± 3.50 |
| He I Narrow | 39.30 ± 0.30 | 339 ± 62 | 143 ± 25 | 4.24 ± 1.71 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.82 ± 0.09 | 339 ± 62 | 143 ± 25 | 16.52 ± 2.03 |
| Hα Narrow | 40.80 ± 0.01 | 339 ± 62 | 143 ± 25 | 174.13 ± 2.75 |
| Hα Broad | 41.44 ± 0.01 | 4408 ± 134 | 1834 ± 43 | 760.05 ± 11.02 |
| [N II] 6585 | 40.94 ± 0.01 | 339 ± 62 | 143 ± 25 | 240.27 ± 2.99 |
| [S II] 6718 | 40.47 ± 0.02 | 339 ± 62 | 143 ± 25 | 86.36 ± 2.48 |
| [S II] 6732 | 40.34 ± 0.03 | 339 ± 62 | 143 ± 25 | 65.10 ± 2.55 |
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 | 3.98 |
|---|---|
| Hβ Broad SNR | 0.99 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.05 |
| Host frac | 0.95 |
| log L5100,Host | 43.81 |
| Fe II/Hβ | — |
| Fe II/[O III] | 0.45 |
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.