2MASS J16284837-0304078
Observation
| Spectrum ID | 194207007_sp1 |
|---|---|
| Alt name | g1628484-030408 |
| z | 0.0931 |
| RA, Dec | 247.2016, -3.0688 |
| MJD | 60090.57 |
| SNR/Å B/R | 7.5/5.9 |
| Obs Airmass | 1.15 |
| SMSS ID | 194207007 |
| Closest SMSS | 10.98'', 194207008 |
| SMSS Mean r6"ap | 16.5 ± 0.2 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.0 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.256 |
| Power law αν | -0.38 ± 0.39 |
| log L5100,AGN | 44.12 ± 0.03 |
| log HβBr/[O III] | 0.82 ± 0.06 |
| log ML5100/M☉ | 7.48 ± 0.12 |
| log MHα/M☉ | 7.50 ± 0.06 |
| log MHβ/M☉ | 7.47 ± 0.12 |
| log M[O III]/M☉ | 7.25 ± 0.12 |
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 | 40.73 ± 0.42 | — | 242 ± 34 | 1.76 ± 0.36 |
| Hγ Broad | 41.77 ± 0.07 | 1517 ± 106 | 544 ± 30 | 17.29 ± 0.64 |
| [O III] 4364 | 40.55 ± 0.31 | 249 ± 199 | 105 ± 84 | 1.04 ± 0.26 |
| He II Narrow | 40.34 ± 0.42 | 249 ± 199 | 105 ± 84 | 0.66 ± 0.27 |
| He II Broad | 41.16 ± 0.16 | 2524 ± 123 | 1072 ± 52 | 5.02 ± 0.88 |
| Hβ Narrow | 41.10 ± 0.35 | — | 242 ± 34 | 5.38 ± 0.44 |
| Hβ Broad | 42.26 ± 0.03 | 1832 ± 258 | 764 ± 36 | 65.08 ± 1.03 |
| [O III] 5007 | 41.43 ± 0.05 | — | 242 ± 34 | 11.14 ± 0.54 |
| He I Narrow | 40.40 ± 0.44 | 249 ± 199 | 105 ± 84 | 1.13 ± 0.42 |
| He I Broad | 41.14 ± 0.17 | 1430 ± 316 | 607 ± 134 | 5.92 ± 1.09 |
| [O I] 6300 | 40.19 ± 0.48 | 249 ± 199 | 105 ± 84 | 0.81 ± 0.52 |
| Hα Narrow | 41.79 ± 0.35 | 249 ± 199 | 105 ± 84 | 39.97 ± 0.90 |
| Hα Broad | 42.87 ± 0.02 | 1711 ± 91 | 648 ± 114 | 414.13 ± 2.00 |
| [N II] 6585 | 40.33 ± 0.88 | 249 ± 199 | 105 ± 84 | 1.29 ± 0.73 |
| [S II] 6718 | 40.58 ± 0.37 | 249 ± 199 | 105 ± 84 | 2.04 ± 0.65 |
| [S II] 6732 | 40.43 ± 0.40 | 249 ± 199 | 105 ± 84 | 1.55 ± 0.57 |
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 | 35.65 |
|---|---|
| Hβ Broad SNR | 10.39 |
| Hγ Broad SNR | 5.07 |
| AGN frac | 0.92 |
| Host frac | 0.08 |
| log L5100,Host | 43.05 |
| Fe II/Hβ | 1.21 |
| Fe II/[O III] | 7.40 |
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.