2MASS J13283109-4909060
Observation
| Spectrum ID | 320346080_sp1 |
|---|---|
| Alt name | g1328311-490906 |
| z | 0.0476 |
| RA, Dec | 202.1295, -49.1517 |
| MJD | 60058.44 |
| SNR/Å B/R | 16.9/20.7 |
| Obs Airmass | 1.25 |
| SMSS ID | 320346080 |
| Closest SMSS | 6.92'', 320346078 |
| SMSS Mean r6"ap | 16.4 ± 0.1 |
| 2MASS Kext | 12.6 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.129 |
| Power law αν | 0.35 ± 0.11 |
| log L5100,AGN | 43.18 ± 0.02 |
| log HβBr/[O III] | 0.29 ± 0.01 |
| log ML5100/M☉ | 7.74 ± 0.03 |
| log MHα/M☉ | 7.45 ± 0.02 |
| log MHβ/M☉ | 7.84 ± 0.04 |
| log M[O III]/M☉ | 7.85 ± 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 | 39.83 ± 0.12 | 274 ± 63 | 146 ± 25 | 1.56 ± 0.31 |
| Hγ Broad | 41.01 ± 0.03 | 3915 ± 270 | 1487 ± 70 | 23.36 ± 0.94 |
| [O III] 4364 | 39.44 ± 0.22 | 250 ± 63 | 105 ± 25 | 0.64 ± 0.21 |
| He II Narrow | 39.86 ± 0.08 | 250 ± 63 | 105 ± 25 | 2.00 ± 0.22 |
| He II Broad | 41.00 ± 0.03 | 5558 ± 208 | 2360 ± 88 | 27.76 ± 1.27 |
| Hβ Narrow | 40.37 ± 0.03 | 274 ± 63 | 146 ± 25 | 7.06 ± 0.33 |
| Hβ Broad | 41.58 ± 0.01 | 3954 ± 124 | 3335 ± 87 | 116.44 ± 2.01 |
| [O III] 5007 | 41.29 ± 0.01 | 274 ± 63 | 146 ± 25 | 63.80 ± 0.37 |
| He I Narrow | 39.19 ± 0.25 | 250 ± 63 | 105 ± 25 | 0.73 ± 0.27 |
| He I Broad | 40.67 ± 0.04 | 3928 ± 178 | 1668 ± 75 | 21.98 ± 1.25 |
| [O I] 6300 | 39.87 ± 0.05 | 250 ± 63 | 105 ± 25 | 4.16 ± 0.34 |
| Hα Narrow | 40.87 ± 0.01 | 250 ± 63 | 105 ± 25 | 44.95 ± 0.57 |
| Hα Broad | 41.93 ± 0.01 | 3116 ± 68 | 1633 ± 31 | 524.23 ± 2.44 |
| [N II] 6585 | 40.66 ± 0.01 | 250 ± 63 | 105 ± 25 | 27.92 ± 0.50 |
| [S II] 6718 | 40.19 ± 0.03 | 250 ± 63 | 105 ± 25 | 10.01 ± 0.41 |
| [S II] 6732 | 40.20 ± 0.03 | 250 ± 63 | 105 ± 25 | 10.26 ± 0.41 |
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 | 22.32 |
|---|---|
| Hβ Broad SNR | 8.37 |
| Hγ Broad SNR | 3.92 |
| AGN frac | 0.51 |
| Host frac | 0.49 |
| log L5100,Host | 43.16 |
| Fe II/Hβ | 0.30 |
| Fe II/[O III] | 0.57 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 2 |
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.