2MASS J18065901-5002462
Observation
| Spectrum ID | 2676348235_sp2 |
|---|---|
| Alt name | 6706071161850699264 |
| z | 0.0500 |
| RA, Dec | 271.7447, -50.0474 |
| MJD | 60856.51 |
| SNR/Å B/R | 16.2/27.9 |
| Obs Airmass | 1.10 |
| 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 | -1.05 ± 0.03 |
| log L5100,AGN | 43.74 ± 0.01 |
| log HβBr/[O III] | 0.63 ± 0.03 |
| log ML5100/M☉ | 7.39 ± 0.05 |
| log MHα/M☉ | 7.12 ± 0.03 |
| log MHβ/M☉ | 7.27 ± 0.05 |
| log M[O III]/M☉ | 7.11 ± 0.05 |
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 | 39.72 ± 0.45 | — | 267 ± 25 | 0.42 ± 0.23 |
| Hγ Broad | 40.90 ± 0.08 | 1840 ± 190 | 706 ± 38 | 6.09 ± 0.54 |
| [O III] 4364 | 39.39 ± 0.43 | 208 ± 63 | 87 ± 25 | 0.20 ± 0.16 |
| He II Narrow | — | — | — | — |
| He II Broad | 39.86 ± 0.37 | 1302 ± 65 | 552 ± 26 | 0.61 ± 0.37 |
| Hβ Narrow | 39.96 ± 0.30 | — | 267 ± 25 | 0.80 ± 0.22 |
| Hβ Broad | 41.63 ± 0.02 | 1998 ± 107 | 1199 ± 33 | 37.76 ± 0.70 |
| [O III] 5007 | 41.00 ± 0.02 | — | 267 ± 25 | 9.05 ± 0.21 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.94 ± 0.04 | 4238 ± 64 | 1800 ± 26 | 9.06 ± 0.46 |
| [O I] 6300 | 39.48 ± 0.20 | 208 ± 63 | 87 ± 25 | 0.34 ± 0.10 |
| Hα Narrow | 40.71 ± 0.03 | 208 ± 63 | 87 ± 25 | 6.04 ± 0.15 |
| Hα Broad | 41.96 ± 0.01 | 2077 ± 65 | 963 ± 25 | 107.80 ± 0.60 |
| [N II] 6585 | 40.29 ± 0.05 | 208 ± 63 | 87 ± 25 | 2.32 ± 0.14 |
| [S II] 6718 | 40.06 ± 0.06 | 208 ± 63 | 87 ± 25 | 1.40 ± 0.11 |
| [S II] 6732 | 40.01 ± 0.06 | 208 ± 63 | 87 ± 25 | 1.24 ± 0.11 |
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 | 17.44 |
|---|---|
| Hβ Broad SNR | 9.97 |
| Hγ Broad SNR | 2.98 |
| AGN frac | 0.81 |
| Host frac | 0.19 |
| log L5100,Host | 43.12 |
| Fe II/Hβ | 1.28 |
| Fe II/[O III] | 5.48 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 1 |
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.