2MASX J08432682-0951207
Observation
| Spectrum ID | 75378764_sp1 |
|---|---|
| Alt name | g0843268-095121 |
| z | 0.0410 |
| RA, Dec | 130.8616, -9.8557 |
| MJD | 60021.45 |
| SNR/Å B/R | 10.2/23.0 |
| Obs Airmass | 1.08 |
| SMSS ID | 75378764 |
| Closest SMSS | 4.61'', 2113897105 |
| SMSS Mean r6"ap | 16.9 ± 0.1 |
| 2MASS Kext | 13.2 ± 0.2 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.038 |
| Power law αν | -0.66 ± 0.24 |
| log L5100,AGN | 42.69 ± 0.04 |
| log HβBr/[O III] | 0.18 ± 0.03 |
| log ML5100/M☉ | 7.34 ± 0.10 |
| log MHα/M☉ | 6.68 ± 0.04 |
| log MHβ/M☉ | 7.29 ± 0.10 |
| log M[O III]/M☉ | 7.33 ± 0.10 |
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 | 39.49 ± 0.16 | 212 ± 63 | 270 ± 30 | 2.58 ± 0.99 |
| Hγ Broad | 40.19 ± 0.09 | 2095 ± 125 | 774 ± 43 | 12.25 ± 1.43 |
| [O III] 4364 | 39.15 ± 0.24 | 203 ± 63 | 85 ± 25 | 1.17 ± 0.41 |
| He II Narrow | 38.73 ± 0.40 | 203 ± 63 | 85 ± 25 | 0.50 ± 0.37 |
| He II Broad | 40.68 ± 0.06 | 12950 ± 62 | 5499 ± 25 | 44.05 ± 3.22 |
| Hβ Narrow | 39.78 ± 0.07 | 212 ± 63 | 270 ± 30 | 5.86 ± 0.91 |
| Hβ Broad | 40.81 ± 0.02 | 3157 ± 331 | 1362 ± 40 | 61.66 ± 1.78 |
| [O III] 5007 | 40.62 ± 0.02 | 212 ± 63 | 270 ± 30 | 42.44 ± 0.98 |
| He I Narrow | 38.79 ± 0.21 | 203 ± 63 | 85 ± 25 | 0.77 ± 0.23 |
| He I Broad | 40.24 ± 0.04 | 3659 ± 79 | 1554 ± 32 | 21.77 ± 1.05 |
| [O I] 6300 | 39.07 ± 0.11 | 203 ± 63 | 85 ± 25 | 1.59 ± 0.26 |
| Hα Narrow | 40.18 ± 0.01 | 203 ± 63 | 85 ± 25 | 21.94 ± 0.33 |
| Hα Broad | 41.27 ± 0.01 | 2047 ± 75 | 1046 ± 25 | 271.77 ± 1.27 |
| [N II] 6585 | 40.15 ± 0.01 | 203 ± 63 | 85 ± 25 | 20.62 ± 0.32 |
| [S II] 6718 | 39.70 ± 0.03 | 203 ± 63 | 85 ± 25 | 7.40 ± 0.30 |
| [S II] 6732 | 39.58 ± 0.04 | 203 ± 63 | 85 ± 25 | 5.67 ± 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 | 14.55 |
|---|---|
| Hβ Broad SNR | 4.88 |
| Hγ Broad SNR | 2.10 |
| AGN frac | 0.46 |
| Host frac | 0.54 |
| log L5100,Host | 42.77 |
| Fe II/Hβ | 0.56 |
| Fe II/[O III] | 0.85 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
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.