2MASS J09114771-1151397
Observation
| Spectrum ID | 88193721_sp1 |
|---|---|
| Alt name | g0911477-115140 |
| z | 0.0707 |
| RA, Dec | 137.9488, -11.8610 |
| MJD | 59668.52 |
| SNR/Å B/R | 15.4/29.1 |
| Obs Airmass | 1.16 |
| SMSS ID | 88193721 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.4 ± 0.1 |
| 2MASS Kext | 12.7 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.040 |
| Power law αν | -1.07 ± 0.18 |
| log L5100,AGN | 43.33 ± 0.03 |
| log HβBr/[O III] | 0.17 ± 0.02 |
| log ML5100/M☉ | 7.20 ± 0.04 |
| log MHα/M☉ | 7.14 ± 0.03 |
| log MHβ/M☉ | 7.23 ± 0.04 |
| log M[O III]/M☉ | 7.30 ± 0.03 |
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 | 39.99 ± 0.16 | 322 ± 63 | 291 ± 29 | 1.99 ± 0.69 |
| Hγ Broad | 41.12 ± 0.03 | 2881 ± 149 | 924 ± 34 | 26.91 ± 0.98 |
| [O III] 4364 | 39.72 ± 0.23 | 316 ± 63 | 132 ± 25 | 1.07 ± 0.34 |
| He II Narrow | 40.01 ± 0.10 | 316 ± 63 | 132 ± 25 | 2.27 ± 0.35 |
| He II Broad | 41.32 ± 0.03 | 10228 ± 217 | 4344 ± 92 | 46.13 ± 2.06 |
| Hβ Narrow | 40.40 ± 0.07 | 322 ± 63 | 291 ± 29 | 5.78 ± 0.94 |
| Hβ Broad | 41.60 ± 0.01 | 1949 ± 71 | 1387 ± 45 | 90.52 ± 1.70 |
| [O III] 5007 | 41.42 ± 0.01 | 322 ± 63 | 291 ± 29 | 62.09 ± 0.76 |
| He I Narrow | 39.00 ± 0.40 | 316 ± 63 | 132 ± 25 | 0.27 ± 0.24 |
| He I Broad | 40.58 ± 0.04 | 1676 ± 125 | 711 ± 52 | 10.19 ± 0.53 |
| [O I] 6300 | 39.72 ± 0.09 | 316 ± 63 | 132 ± 25 | 1.51 ± 0.22 |
| Hα Narrow | 40.98 ± 0.01 | 316 ± 63 | 132 ± 25 | 28.69 ± 0.31 |
| Hα Broad | 42.06 ± 0.01 | 1994 ± 64 | 864 ± 25 | 343.77 ± 1.07 |
| [N II] 6585 | 40.62 ± 0.02 | 316 ± 63 | 132 ± 25 | 12.66 ± 0.29 |
| [S II] 6718 | 40.37 ± 0.03 | 316 ± 63 | 132 ± 25 | 7.22 ± 0.32 |
| [S II] 6732 | 40.21 ± 0.04 | 316 ± 63 | 132 ± 25 | 4.96 ± 0.29 |
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 | 34.45 |
|---|---|
| Hβ Broad SNR | 12.80 |
| Hγ Broad SNR | 4.86 |
| AGN frac | 0.47 |
| Host frac | 0.53 |
| log L5100,Host | 43.39 |
| Fe II/Hβ | 0.38 |
| Fe II/[O III] | 0.56 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 2 |
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.