2MASX J00274641-1015462
Observation
| Spectrum ID | 12910272_sp1 |
|---|---|
| Alt name | g0027464-101547 |
| z | 0.0476 |
| RA, Dec | 6.9433, -10.2630 |
| MJD | 60931.6 |
| SNR/Å B/R | 15.6/32.0 |
| Obs Airmass | 1.08 |
| SMSS ID | 12910272 |
| Closest SMSS | 7.97'', 2024072032 |
| SMSS Mean r6"ap | 15.7 ± 0.0 |
| 2MASS Kext | 11.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.0 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.033 |
| Power law αν | 0.45 ± 0.05 |
| log L5100,AGN | 42.53 ± 0.04 |
| log HβBr/[O III] | 0.98 ± 0.11 |
| log ML5100/M☉ | 8.20 ± 0.15 |
| log MHα/M☉ | 6.34 ± 0.07 |
| log MHβ/M☉ | 8.29 ± 0.16 |
| log M[O III]/M☉ | 7.94 ± 0.17 |
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 | 39.50 ± 0.32 | 414 ± 63 | 175 ± 25 | 3.00 ± 1.57 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | 40.44 ± 0.14 | 4336 ± 62 | 1841 ± 25 | 33.27 ± 5.32 |
| Hβ Narrow | 39.86 ± 0.15 | 414 ± 63 | 175 ± 25 | 8.80 ± 1.73 |
| Hβ Broad | 40.98 ± 0.06 | 9152 ± 1573 | 3947 ± 49 | 124.34 ± 9.16 |
| [O III] 5007 | 39.99 ± 0.09 | 414 ± 63 | 175 ± 25 | 13.36 ± 1.88 |
| He I Narrow | — | — | — | — |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.96 ± 0.07 | 409 ± 62 | 172 ± 25 | 22.94 ± 1.92 |
| Hα Narrow | 39.99 ± 0.11 | 409 ± 62 | 172 ± 25 | 27.21 ± 2.75 |
| Hα Broad | 40.96 ± 0.03 | 1711 ± 109 | 955 ± 42 | 249.33 ± 7.40 |
| [N II] 6585 | 40.10 ± 0.06 | 409 ± 62 | 172 ± 25 | 34.99 ± 3.22 |
| [S II] 6718 | 40.14 ± 0.04 | 409 ± 62 | 172 ± 25 | 40.29 ± 2.37 |
| [S II] 6732 | 39.90 ± 0.08 | 409 ± 62 | 172 ± 25 | 23.46 ± 2.38 |
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 | 3.47 |
|---|---|
| Hβ Broad SNR | 1.19 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.09 |
| Host frac | 0.91 |
| log L5100,Host | 43.55 |
| Fe II/Hβ | 0.35 |
| Fe II/[O III] | 3.46 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 0 |
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.