2MASS J08025394-5821372
Observation
| Spectrum ID | 467574241_sp1 |
|---|---|
| Alt name | g0802539-582137 |
| z | 0.0599 |
| RA, Dec | 120.7248, -58.3603 |
| MJD | 60255.72 |
| SNR/Å B/R | 12.4/18.6 |
| Obs Airmass | 1.16 |
| SMSS ID | 467574241 |
| Closest SMSS | 10.34'', 467574240 |
| SMSS Mean r6"ap | 17.0 ± 0.1 |
| 2MASS Kext | 12.5 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.222 |
| Power law αν | -0.26 ± 0.12 |
| log L5100,AGN | 43.47 ± 0.02 |
| log HβBr/[O III] | 0.12 ± 0.02 |
| log ML5100/M☉ | 7.11 ± 0.06 |
| log MHα/M☉ | 6.68 ± 0.04 |
| log MHβ/M☉ | 6.97 ± 0.06 |
| log M[O III]/M☉ | 7.05 ± 0.06 |
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 | 39.81 ± 0.26 | 254 ± 63 | 177 ± 29 | 0.85 ± 0.33 |
| Hγ Broad | 40.73 ± 0.07 | 1200 ± 65 | 432 ± 25 | 6.70 ± 0.55 |
| [O III] 4364 | 39.78 ± 0.20 | 253 ± 63 | 106 ± 25 | 0.80 ± 0.24 |
| He II Narrow | — | — | — | — |
| He II Broad | 40.42 ± 0.14 | 2473 ± 82 | 1050 ± 34 | 3.96 ± 0.74 |
| Hβ Narrow | 40.26 ± 0.09 | 254 ± 63 | 177 ± 29 | 2.90 ± 0.31 |
| Hβ Broad | 41.33 ± 0.02 | 1658 ± 108 | 753 ± 31 | 34.00 ± 0.79 |
| [O III] 5007 | 41.21 ± 0.01 | 254 ± 63 | 177 ± 29 | 27.17 ± 0.35 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.58 ± 0.07 | 2959 ± 72 | 1256 ± 29 | 8.55 ± 0.80 |
| [O I] 6300 | 39.99 ± 0.06 | 253 ± 63 | 106 ± 25 | 2.45 ± 0.21 |
| Hα Narrow | 40.65 ± 0.03 | 253 ± 63 | 106 ± 25 | 11.92 ± 0.32 |
| Hα Broad | 41.84 ± 0.01 | 1367 ± 64 | 598 ± 25 | 185.77 ± 0.97 |
| [N II] 6585 | 40.58 ± 0.02 | 253 ± 63 | 106 ± 25 | 10.35 ± 0.31 |
| [S II] 6718 | 40.26 ± 0.03 | 253 ± 63 | 106 ± 25 | 5.05 ± 0.25 |
| [S II] 6732 | 40.16 ± 0.04 | 253 ± 63 | 106 ± 25 | 4.05 ± 0.26 |
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 | 23.66 |
|---|---|
| Hβ Broad SNR | 8.24 |
| Hγ Broad SNR | 3.62 |
| AGN frac | 0.71 |
| Host frac | 0.29 |
| log L5100,Host | 43.09 |
| Fe II/Hβ | 1.57 |
| Fe II/[O III] | 2.06 |
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.