2MASS J14072198-3120576
Observation
| Spectrum ID | 101746230_sp2 |
|---|---|
| Alt name | g1407220-312058 |
| z | 0.0746 |
| RA, Dec | 211.8416, -31.3494 |
| MJD | 59671.61 |
| SNR/Å B/R | 14.2/23.2 |
| Obs Airmass | 1.02 |
| SMSS ID | 101746230 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.5 ± 0.1 |
| 2MASS Kext | 12.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.054 |
| Power law αν | -0.13 ± 0.20 |
| log L5100,AGN | 43.41 ± 0.03 |
| log HβBr/[O III] | 0.34 ± 0.03 |
| log ML5100/M☉ | 7.30 ± 0.07 |
| log MHα/M☉ | 6.83 ± 0.04 |
| log MHβ/M☉ | 7.27 ± 0.07 |
| log M[O III]/M☉ | 7.26 ± 0.07 |
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 | 40.10 ± 0.33 | 521 ± 64 | 410 ± 31 | 1.84 ± 0.58 |
| Hγ Broad | 40.97 ± 0.07 | 1418 ± 158 | 874 ± 141 | 13.57 ± 1.00 |
| [O III] 4364 | 39.49 ± 0.40 | 461 ± 63 | 195 ± 25 | 0.45 ± 0.33 |
| He II Narrow | 39.93 ± 0.16 | 461 ± 63 | 195 ± 25 | 1.41 ± 0.35 |
| He II Broad | 41.25 ± 0.06 | 14400 ± 575 | 6115 ± 244 | 29.26 ± 2.08 |
| Hβ Narrow | 40.94 ± 0.05 | 521 ± 64 | 410 ± 30 | 15.60 ± 0.67 |
| Hβ Broad | 41.53 ± 0.02 | 2120 ± 166 | 1487 ± 68 | 61.52 ± 1.38 |
| [O III] 5007 | 41.19 ± 0.02 | 521 ± 64 | 410 ± 30 | 29.46 ± 0.74 |
| He I Narrow | 39.94 ± 0.10 | 461 ± 63 | 195 ± 25 | 2.25 ± 0.33 |
| He I Broad | 40.78 ± 0.05 | 4106 ± 261 | 1744 ± 110 | 15.43 ± 0.93 |
| [O I] 6300 | 39.71 ± 0.14 | 461 ± 63 | 195 ± 25 | 1.49 ± 0.33 |
| Hα Narrow | 41.30 ± 0.02 | 461 ± 63 | 195 ± 25 | 62.35 ± 0.49 |
| Hα Broad | 41.98 ± 0.01 | 1473 ± 73 | 746 ± 25 | 304.42 ± 1.24 |
| [N II] 6585 | 40.97 ± 0.02 | 461 ± 63 | 195 ± 25 | 29.48 ± 0.46 |
| [S II] 6718 | 40.38 ± 0.03 | 461 ± 63 | 195 ± 25 | 7.82 ± 0.46 |
| [S II] 6732 | 40.38 ± 0.04 | 461 ± 63 | 195 ± 25 | 7.85 ± 0.49 |
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 | 30.78 |
|---|---|
| Hβ Broad SNR | 8.66 |
| Hγ Broad SNR | 4.24 |
| AGN frac | 0.56 |
| Host frac | 0.44 |
| log L5100,Host | 43.30 |
| Fe II/Hβ | 1.18 |
| Fe II/[O III] | 2.60 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 1 |
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.