2MASS J18065901-5002462
Observation
| Spectrum ID | 2676348235_sp1 |
|---|---|
| Alt name | 6706071161850699264 |
| z | 0.0500 |
| RA, Dec | 271.7447, -50.0474 |
| MJD | 60830.6 |
| SNR/Å B/R | 26.2/37.9 |
| Obs Airmass | 1.08 |
| SMSS ID | 2676348235 |
| Closest SMSS | 5.09'', 2676348236 |
| SMSS Mean r6"ap | nan ± nan |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | AllBRICQS2 |
| MW E(B−V) | 0.127 |
| Power law αν | -1.26 ± 0.02 |
| log L5100,AGN | 43.88 ± 0.01 |
| log HβBr/[O III] | 0.65 ± 0.01 |
| log ML5100/M☉ | 7.46 ± 0.03 |
| log MHα/M☉ | 7.18 ± 0.03 |
| log MHβ/M☉ | 7.35 ± 0.03 |
| log M[O III]/M☉ | 7.19 ± 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 | 40.20 ± 0.11 | 256 ± 63 | 126 ± 28 | 0.93 ± 0.17 |
| Hγ Broad | 41.37 ± 0.03 | 2212 ± 175 | 1137 ± 83 | 13.81 ± 0.54 |
| [O III] 4364 | 39.78 ± 0.22 | 250 ± 63 | 105 ± 25 | 0.35 ± 0.12 |
| He II Narrow | 39.72 ± 0.20 | 250 ± 63 | 105 ± 25 | 0.33 ± 0.10 |
| He II Broad | 40.97 ± 0.05 | 3742 ± 184 | 1589 ± 78 | 5.92 ± 0.41 |
| Hβ Narrow | 40.26 ± 0.08 | 256 ± 63 | 126 ± 28 | 1.15 ± 0.15 |
| Hβ Broad | 41.80 ± 0.01 | 2014 ± 64 | 1013 ± 35 | 40.35 ± 0.42 |
| [O III] 5007 | 41.14 ± 0.01 | 256 ± 63 | 126 ± 28 | 9.11 ± 0.15 |
| He I Narrow | 39.53 ± 0.22 | 250 ± 63 | 105 ± 25 | 0.25 ± 0.08 |
| He I Broad | 41.12 ± 0.02 | 3080 ± 126 | 1308 ± 53 | 9.75 ± 0.29 |
| [O I] 6300 | 39.43 ± 0.23 | 250 ± 63 | 105 ± 25 | 0.21 ± 0.08 |
| Hα Narrow | 40.97 ± 0.02 | 250 ± 63 | 105 ± 25 | 7.42 ± 0.13 |
| Hα Broad | 42.20 ± 0.01 | 1899 ± 66 | 910 ± 25 | 126.23 ± 0.40 |
| [N II] 6585 | 40.63 ± 0.03 | 250 ± 63 | 105 ± 25 | 3.41 ± 0.11 |
| [S II] 6718 | 40.23 ± 0.04 | 250 ± 63 | 105 ± 25 | 1.38 ± 0.09 |
| [S II] 6732 | 40.19 ± 0.04 | 250 ± 63 | 105 ± 25 | 1.25 ± 0.09 |
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 | 34.82 |
|---|---|
| Hβ Broad SNR | 17.38 |
| Hγ Broad SNR | 6.48 |
| AGN frac | 0.78 |
| Host frac | 0.22 |
| log L5100,Host | 43.33 |
| Fe II/Hβ | 1.15 |
| Fe II/[O III] | 5.22 |
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.