2MASX J17082222-0239476
Observation
| Spectrum ID | 200234826_sp1 |
|---|---|
| Alt name | g1708222-023948 |
| z | 0.0424 |
| RA, Dec | 257.0925, -2.6633 |
| MJD | 60162.45 |
| SNR/Å B/R | 11.5/21.4 |
| Obs Airmass | 1.16 |
| SMSS ID | 200234826 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.3 ± 0.0 |
| 2MASS Kext | 12.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.329 |
| Power law αν | -1.70 ± 0.05 |
| log L5100,AGN | 42.86 ± 0.02 |
| log HβBr/[O III] | <-0.02 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.26 ± 0.06 |
| log MHβ/M☉ | — |
| log M[O III]/M☉ | — |
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 | 39.75 ± 0.29 | 489 ± 64 | 392 ± 41 | 3.78 ± 1.75 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.22 ± 0.11 | 489 ± 64 | 392 ± 41 | 11.60 ± 1.51 |
| Hβ Broad | <40.60 | — | — | — |
| [O III] 5007 | 40.62 ± 0.04 | 489 ± 64 | 392 ± 41 | 28.69 ± 1.59 |
| He I Narrow | — | — | — | — |
| He I Broad | 39.78 ± 0.25 | 2058 ± 62 | 874 ± 25 | 4.33 ± 1.26 |
| [O I] 6300 | 39.14 ± 0.39 | 453 ± 62 | 191 ± 25 | 1.03 ± 0.70 |
| Hα Narrow | 40.63 ± 0.02 | 453 ± 62 | 191 ± 25 | 31.68 ± 0.74 |
| Hα Broad | 40.98 ± 0.03 | 4896 ± 190 | 1862 ± 25 | 71.24 ± 2.31 |
| [N II] 6585 | 40.60 ± 0.02 | 453 ± 62 | 191 ± 25 | 29.70 ± 0.80 |
| [S II] 6718 | 40.09 ± 0.05 | 453 ± 62 | 191 ± 25 | 9.29 ± 0.67 |
| [S II] 6732 | 40.07 ± 0.05 | 453 ± 62 | 191 ± 25 | 8.92 ± 0.66 |
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 | 1.63 |
|---|---|
| Hβ Broad SNR | 0.60 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.25 |
| Host frac | 0.75 |
| log L5100,Host | 43.33 |
| Fe II/Hβ | — |
| Fe II/[O III] | 3.44 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 2 |
balmer_width | 2 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.