2MASX J13541542-3746333
Observation
| Spectrum ID | 99700135_sp1 |
|---|---|
| Alt name | g1354154-374633 |
| z | 0.0504 |
| RA, Dec | 208.5642, -37.7759 |
| MJD | 59732.46 |
| SNR/Å B/R | 4.7/11.6 |
| Obs Airmass | 1.01 |
| SMSS ID | 99700135 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.6 ± 0.0 |
| 2MASS Kext | 11.5 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.8 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.066 |
| Power law αν | -1.09 ± 0.65 |
| log L5100,AGN | 42.99 ± 0.13 |
| log HβBr/[O III] | -1.39 ± 0.23 |
| log ML5100/M☉ | 6.96 ± 0.32 |
| log MHα/M☉ | 7.48 ± 0.13 |
| log MHβ/M☉ | 6.93 ± 0.33 |
| log M[O III]/M☉ | 7.75 ± 0.31 |
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 | 40.99 ± 0.07 | 338 ± 63 | 187 ± 32 | 43.17 ± 3.76 |
| Hγ Broad | 40.91 ± 0.16 | 1212 ± 303 | 578 ± 222 | 33.91 ± 4.92 |
| [O III] 4364 | 40.67 ± 0.09 | 328 ± 63 | 139 ± 25 | 21.81 ± 2.28 |
| He II Narrow | 40.75 ± 0.08 | 328 ± 63 | 139 ± 25 | 28.20 ± 2.17 |
| He II Broad | 40.64 ± 0.20 | 1388 ± 250 | 589 ± 106 | 20.38 ± 4.43 |
| Hβ Narrow | 41.40 ± 0.02 | 338 ± 63 | 187 ± 32 | 124.46 ± 3.48 |
| Hβ Broad | 41.12 ± 0.23 | 1766 ± 617 | 798 ± 883 | 51.04 ± 5.74 |
| [O III] 5007 | 42.51 ± 0.01 | 338 ± 63 | 187 ± 32 | 1696.15 ± 4.33 |
| He I Narrow | 40.22 ± 0.15 | 328 ± 63 | 139 ± 25 | 10.09 ± 1.36 |
| He I Broad | 40.57 ± 0.21 | 3047 ± 1575 | 1294 ± 669 | 24.53 ± 4.64 |
| [O I] 6300 | 40.85 ± 0.03 | 328 ± 63 | 139 ± 25 | 46.27 ± 1.50 |
| Hα Narrow | 41.87 ± 0.02 | 328 ± 63 | 139 ± 25 | 496.10 ± 2.39 |
| Hα Broad | 42.09 ± 0.07 | 2893 ± 421 | 1274 ± 413 | 881.16 ± 6.19 |
| [N II] 6585 | 41.65 ± 0.02 | 328 ± 63 | 139 ± 25 | 298.13 ± 2.08 |
| [S II] 6718 | 41.14 ± 0.02 | 328 ± 63 | 139 ± 25 | 96.11 ± 1.80 |
| [S II] 6732 | 41.18 ± 0.01 | 328 ± 63 | 139 ± 25 | 105.72 ± 1.76 |
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 | 8.54 |
|---|---|
| Hβ Broad SNR | 1.76 |
| Hγ Broad SNR | 1.66 |
| AGN frac | 0.23 |
| Host frac | 0.77 |
| log L5100,Host | 43.51 |
| Fe II/Hβ | 2.66 |
| Fe II/[O III] | 0.08 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
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.