2MASS J12125006-4910377
Observation
| Spectrum ID | 322236535_sp1 |
|---|---|
| Alt name | g1212501-491038 |
| z | 0.0833 |
| RA, Dec | 183.2086, -49.1771 |
| MJD | 60403.6 |
| SNR/Å B/R | 3.6/5.4 |
| Obs Airmass | 1.07 |
| SMSS ID | 322236535 |
| Closest SMSS | 11.22'', 322236532 |
| SMSS Mean r6"ap | 16.1 ± 0.1 |
| 2MASS Kext | 12.2 ± 0.1 |
AGN Properties
| Spectrum Type | Bad |
|---|---|
| Quality Flag | bad_all |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.122 |
| Power law αν | 0.44 ± 0.06 |
| log L5100,AGN | 42.99 ± 0.02 |
| log HβBr/[O III] | 0.18 ± 0.03 |
| log ML5100/M☉ | 8.10 ± 0.04 |
| log MHα/M☉ | 7.32 ± 0.03 |
| log MHβ/M☉ | 8.31 ± 0.04 |
| log M[O III]/M☉ | 8.37 ± 0.04 |
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 | — | — | — | — |
| Hγ Broad | 40.50 ± 0.15 | 1353 ± 167 | 511 ± 74 | 9.58 ± 2.25 |
| [O III] 4364 | 40.30 ± 0.14 | 631 ± 62 | 267 ± 25 | 6.96 ± 1.36 |
| He II Narrow | 39.94 ± 0.26 | 631 ± 62 | 267 ± 25 | 3.63 ± 1.45 |
| He II Broad | 41.42 ± 0.07 | 17661 ± 62 | 7500 ± 25 | 110.39 ± 8.79 |
| Hβ Narrow | 40.67 ± 0.09 | 708 ± 64 | 426 ± 29 | 21.28 ± 2.33 |
| Hβ Broad | 41.66 ± 0.02 | 6516 ± 271 | 2485 ± 27 | 209.61 ± 5.58 |
| [O III] 5007 | 41.48 ± 0.01 | 708 ± 64 | 426 ± 29 | 147.35 ± 2.71 |
| He I Narrow | 39.35 ± 0.44 | 631 ± 62 | 267 ± 25 | 1.62 ± 1.09 |
| He I Broad | 40.64 ± 0.11 | 7265 ± 62 | 3085 ± 25 | 31.96 ± 3.67 |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | 39.18 ± 0.52 | 631 ± 62 | 267 ± 25 | 1.46 ± 1.41 |
| Hα Broad | 41.99 ± 0.01 | 2572 ± 78 | 2002 ± 25 | 938.94 ± 5.44 |
| [N II] 6585 | 40.59 ± 0.03 | 631 ± 62 | 267 ± 25 | 37.56 ± 1.53 |
| [S II] 6718 | 40.16 ± 0.09 | 631 ± 62 | 267 ± 25 | 14.78 ± 1.99 |
| [S II] 6732 | 39.83 ± 0.20 | 631 ± 62 | 267 ± 25 | 6.91 ± 1.92 |
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 | 11.74 |
|---|---|
| Hβ Broad SNR | 4.44 |
| Hγ Broad SNR | 1.62 |
| AGN frac | 0.83 |
| Host frac | 0.17 |
| log L5100,Host | 42.30 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 0 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.