2dFGRS TGS059Z064
Observation
| Spectrum ID | 1507535_sp1 |
|---|---|
| Alt name | g2154565-234407 |
| z | 0.0687 |
| RA, Dec | 328.7355, -23.7351 |
| MJD | 59439.56 |
| SNR/Å B/R | 9.3/19.9 |
| Obs Airmass | 1.04 |
| SMSS ID | 1507535 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.6 ± 0.0 |
| 2MASS Kext | 12.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.037 |
| Power law αν | -1.72 ± 0.05 |
| log L5100,AGN | 43.17 ± 0.02 |
| log HβBr/[O III] | -0.31 ± 0.10 |
| log ML5100/M☉ | 6.98 ± 0.07 |
| log MHα/M☉ | 7.10 ± 0.04 |
| log MHβ/M☉ | 6.55 ± 0.10 |
| log M[O III]/M☉ | 6.81 ± 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 | 39.31 ± 0.40 | 430 ± 62 | 181 ± 25 | 0.63 ± 0.46 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.38 ± 0.36 | 426 ± 62 | 181 ± 25 | 0.80 ± 0.48 |
| He II Narrow | 39.11 ± 0.47 | 426 ± 62 | 181 ± 25 | 0.43 ± 0.42 |
| He II Broad | 39.66 ± 0.35 | 1266 ± 62 | 537 ± 25 | 1.54 ± 0.73 |
| Hβ Narrow | 40.32 ± 0.06 | 430 ± 62 | 181 ± 25 | 6.94 ± 0.43 |
| Hβ Broad | 40.41 ± 0.10 | 1657 ± 131 | 633 ± 33 | 8.27 ± 0.89 |
| [O III] 5007 | 40.72 ± 0.02 | 430 ± 62 | 181 ± 25 | 17.90 ± 0.46 |
| He I Narrow | 39.12 ± 0.38 | 426 ± 62 | 181 ± 25 | 0.48 ± 0.23 |
| He I Broad | 39.27 ± 0.43 | 1179 ± 62 | 500 ± 25 | 0.67 ± 0.42 |
| [O I] 6300 | 39.70 ± 0.09 | 426 ± 62 | 181 ± 25 | 1.86 ± 0.23 |
| Hα Narrow | 41.12 ± 0.01 | 426 ± 62 | 181 ± 25 | 48.92 ± 0.28 |
| Hα Broad | 41.28 ± 0.01 | 3295 ± 121 | 1666 ± 40 | 70.39 ± 1.05 |
| [N II] 6585 | 40.87 ± 0.01 | 426 ± 62 | 181 ± 25 | 27.73 ± 0.27 |
| [S II] 6718 | 40.57 ± 0.02 | 426 ± 62 | 181 ± 25 | 13.81 ± 0.29 |
| [S II] 6732 | 40.47 ± 0.02 | 426 ± 62 | 181 ± 25 | 10.94 ± 0.29 |
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 | 4.54 |
|---|---|
| Hβ Broad SNR | 2.00 |
| Hγ Broad SNR | 0.81 |
| AGN frac | 0.71 |
| Host frac | 0.29 |
| log L5100,Host | 42.79 |
| Fe II/Hβ | 1.57 |
| Fe II/[O III] | 0.73 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
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.