2MASS J11494680-4627515
Observation
| Spectrum ID | 409469820_sp1 |
|---|---|
| Alt name | 5377665986541771776 |
| z | 0.0949 |
| RA, Dec | 177.4450, -46.4643 |
| MJD | 60800.39 |
| SNR/Å B/R | 13.5/17.5 |
| Obs Airmass | 1.09 |
| SMSS ID | 409469820 |
| Closest SMSS | 5.82'', 409469821 |
| SMSS Mean r6"ap | 16.7 ± 0.1 |
| 2MASS Kext | 13.0 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.0 |
|---|---|
| Quality Flag | good |
| AGN reference | AllBRICQS2 |
| MW E(B−V) | 0.082 |
| Power law αν | 0.38 ± 0.09 |
| log L5100,AGN | 43.90 ± 0.01 |
| log HβBr/[O III] | 0.77 ± 0.03 |
| log ML5100/M☉ | 7.73 ± 0.03 |
| log MHα/M☉ | 7.54 ± 0.03 |
| log MHβ/M☉ | 7.77 ± 0.03 |
| log M[O III]/M☉ | 7.57 ± 0.03 |
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 | 40.80 ± 0.12 | 366 ± 63 | 397 ± 37 | 2.83 ± 0.47 |
| Hγ Broad | 41.75 ± 0.03 | 3305 ± 751 | 1563 ± 57 | 24.74 ± 0.88 |
| [O III] 4364 | 40.37 ± 0.17 | 337 ± 63 | 142 ± 25 | 1.06 ± 0.24 |
| He II Narrow | 40.23 ± 0.17 | 337 ± 63 | 142 ± 25 | 0.91 ± 0.25 |
| He II Broad | 41.97 ± 0.03 | 17660 ± 62 | 7499 ± 25 | 49.69 ± 1.95 |
| Hβ Narrow | 41.10 ± 0.06 | 366 ± 63 | 397 ± 37 | 7.26 ± 0.56 |
| Hβ Broad | 42.15 ± 0.01 | 2717 ± 83 | 1514 ± 41 | 82.53 ± 1.25 |
| [O III] 5007 | 41.38 ± 0.03 | 366 ± 63 | 397 ± 37 | 14.87 ± 0.62 |
| He I Narrow | 40.05 ± 0.17 | 337 ± 63 | 142 ± 25 | 1.02 ± 0.22 |
| He I Broad | 41.48 ± 0.02 | 3360 ± 82 | 1427 ± 34 | 27.12 ± 0.82 |
| [O I] 6300 | 39.58 ± 0.36 | 337 ± 63 | 142 ± 25 | 0.41 ± 0.27 |
| Hα Narrow | 41.57 ± 0.01 | 337 ± 63 | 142 ± 25 | 43.99 ± 0.48 |
| Hα Broad | 42.54 ± 0.01 | 2240 ± 65 | 1091 ± 25 | 410.35 ± 1.48 |
| [N II] 6585 | 41.03 ± 0.03 | 337 ± 63 | 142 ± 25 | 12.67 ± 0.41 |
| [S II] 6718 | 40.76 ± 0.03 | 337 ± 63 | 142 ± 25 | 7.25 ± 0.40 |
| [S II] 6732 | 40.55 ± 0.07 | 337 ± 63 | 142 ± 25 | 4.41 ± 0.39 |
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 | 30.00 |
|---|---|
| Hβ Broad SNR | 12.73 |
| Hγ Broad SNR | 5.35 |
| AGN frac | 0.81 |
| Host frac | 0.19 |
| log L5100,Host | 43.26 |
| Fe II/Hβ | 0.50 |
| Fe II/[O III] | 2.96 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 1 |
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.