2MASX J11105877-7446281
Observation
| Spectrum ID | 451945476_sp2 |
|---|---|
| Alt name | g1110588-744628 |
| z | 0.0419 |
| RA, Dec | 167.7451, -74.7746 |
| MJD | 61141.47 |
| SNR/Å B/R | 9.2/17.4 |
| Obs Airmass | 1.39 |
| SMSS ID | 451945476 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.4 ± 0.0 |
| 2MASS Kext | 11.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.253 |
| Power law αν | 0.49 ± 0.01 |
| log L5100,AGN | 42.39 ± 0.07 |
| 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 | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 39.43 ± 0.39 | — | 352 ± 25 | 5.01 ± 2.63 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 40.30 ± 0.05 | — | 352 ± 25 | 39.70 ± 2.94 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.28 ± 0.21 | 8311 ± 62 | 3529 ± 25 | 55.81 ± 14.25 |
| [O I] 6300 | 39.21 ± 0.29 | 320 ± 62 | 135 ± 25 | 5.67 ± 3.20 |
| Hα Narrow | 40.65 ± 0.02 | 320 ± 62 | 135 ± 25 | 130.73 ± 4.00 |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 40.62 ± 0.02 | 320 ± 62 | 135 ± 25 | 121.01 ± 4.23 |
| [S II] 6718 | 39.88 ± 0.07 | 320 ± 62 | 135 ± 25 | 31.10 ± 3.37 |
| [S II] 6732 | 39.84 ± 0.08 | 320 ± 62 | 135 ± 25 | 28.84 ± 3.46 |
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 | 0.11 |
| Host frac | 0.90 |
| log L5100,Host | 43.32 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 1.0/0 |
|---|---|
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.