Z 7-49
Observation
| Spectrum ID | 90272928_sp1 |
|---|---|
| Alt name | g0952191-013644 |
| z | 0.0195 |
| RA, Dec | 148.0796, -1.6121 |
| MJD | 59671.52 |
| SNR/Å B/R | 10.6/18.4 |
| Obs Airmass | 1.22 |
| SMSS ID | 90272928 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 14.3 ± 0.1 |
| 2MASS Kext | 9.6 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.055 |
| Power law αν | -1.33 ± 0.33 |
| log L5100,AGN | 43.18 ± 0.04 |
| log HβBr/[O III] | -0.39 ± 0.04 |
| log ML5100/M☉ | 6.93 ± 0.07 |
| log MHα/M☉ | 6.84 ± 0.04 |
| log MHβ/M☉ | 6.87 ± 0.07 |
| log M[O III]/M☉ | 7.20 ± 0.06 |
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 | 40.59 ± 0.09 | 438 ± 63 | 420 ± 25 | 11.74 ± 0.79 |
| Hγ Broad | 40.61 ± 0.11 | 1473 ± 216 | 534 ± 85 | 11.11 ± 0.88 |
| [O III] 4364 | 40.14 ± 0.09 | 349 ± 63 | 148 ± 25 | 4.20 ± 0.41 |
| He II Narrow | 39.88 ± 0.14 | 349 ± 63 | 148 ± 25 | 2.38 ± 0.35 |
| He II Broad | 40.43 ± 0.08 | 1415 ± 205 | 601 ± 87 | 8.11 ± 0.71 |
| Hβ Narrow | 41.02 ± 0.03 | 438 ± 63 | 420 ± 25 | 34.31 ± 0.72 |
| Hβ Broad | 41.24 ± 0.04 | 1552 ± 111 | 708 ± 161 | 54.65 ± 1.04 |
| [O III] 5007 | 41.63 ± 0.01 | 438 ± 63 | 420 ± 25 | 142.53 ± 0.80 |
| He I Narrow | 39.60 ± 0.18 | 349 ± 63 | 148 ± 25 | 1.47 ± 0.26 |
| He I Broad | 40.44 ± 0.05 | 1681 ± 215 | 714 ± 91 | 10.27 ± 0.57 |
| [O I] 6300 | 39.87 ± 0.07 | 349 ± 63 | 148 ± 25 | 2.89 ± 0.29 |
| Hα Narrow | 41.30 ± 0.02 | 349 ± 63 | 148 ± 25 | 80.50 ± 0.70 |
| Hα Broad | 42.12 ± 0.01 | 1346 ± 65 | 695 ± 30 | 527.95 ± 1.25 |
| [N II] 6585 | 40.79 ± 0.02 | 349 ± 63 | 148 ± 25 | 24.76 ± 0.50 |
| [S II] 6718 | 40.45 ± 0.02 | 349 ± 63 | 148 ± 25 | 11.54 ± 0.33 |
| [S II] 6732 | 40.38 ± 0.03 | 349 ± 63 | 148 ± 25 | 9.64 ± 0.35 |
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 | 71.35 |
|---|---|
| Hβ Broad SNR | 11.31 |
| Hγ Broad SNR | 3.47 |
| AGN frac | 0.65 |
| Host frac | 0.35 |
| log L5100,Host | 42.91 |
| Fe II/Hβ | 1.39 |
| Fe II/[O III] | 0.54 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
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.