2MASS J05002421-1153486
Observation
| Spectrum ID | 24609850_sp1 |
|---|---|
| Alt name | g0500242-115349 |
| z | 0.0611 |
| RA, Dec | 75.1008, -11.8968 |
| MJD | 60266.59 |
| SNR/Å B/R | 6.6/9.0 |
| Obs Airmass | 1.11 |
| SMSS ID | 24609850 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.4 ± 0.0 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.100 |
| Power law αν | -0.42 ± 0.15 |
| log L5100,AGN | 43.75 ± 0.03 |
| log HβBr/[O III] | 0.10 ± 0.04 |
| log ML5100/M☉ | 7.38 ± 0.13 |
| log MHα/M☉ | 7.14 ± 0.05 |
| log MHβ/M☉ | 7.26 ± 0.13 |
| log M[O III]/M☉ | 7.36 ± 0.13 |
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 | 40.66 ± 0.10 | 249 ± 63 | 111 ± 27 | 2.57 ± 0.42 |
| Hγ Broad | 41.41 ± 0.08 | 3085 ± 175 | 1138 ± 56 | 18.31 ± 1.37 |
| [O III] 4364 | 40.31 ± 0.20 | 241 ± 63 | 100 ± 25 | 1.46 ± 0.36 |
| He II Narrow | 40.11 ± 0.27 | 241 ± 63 | 100 ± 25 | 1.03 ± 0.34 |
| He II Broad | 40.79 ± 0.17 | 1530 ± 183 | 650 ± 77 | 4.56 ± 0.87 |
| Hβ Narrow | 40.93 ± 0.08 | 249 ± 63 | 111 ± 27 | 6.60 ± 0.42 |
| Hβ Broad | 41.65 ± 0.04 | 1954 ± 280 | 713 ± 104 | 35.66 ± 1.02 |
| [O III] 5007 | 41.55 ± 0.02 | 249 ± 63 | 111 ± 27 | 29.81 ± 0.47 |
| He I Narrow | 39.89 ± 0.24 | 241 ± 63 | 100 ± 25 | 0.91 ± 0.27 |
| He I Broad | 40.49 ± 0.16 | 1332 ± 146 | 565 ± 61 | 3.24 ± 0.63 |
| [O I] 6300 | 40.14 ± 0.11 | 241 ± 63 | 100 ± 25 | 1.80 ± 0.26 |
| Hα Narrow | 41.47 ± 0.02 | 241 ± 63 | 100 ± 25 | 40.01 ± 0.50 |
| Hα Broad | 42.06 ± 0.01 | 1983 ± 111 | 741 ± 46 | 154.33 ± 1.14 |
| [N II] 6585 | 41.03 ± 0.03 | 241 ± 63 | 100 ± 25 | 14.82 ± 0.43 |
| [S II] 6718 | 40.75 ± 0.04 | 241 ± 63 | 100 ± 25 | 8.00 ± 0.33 |
| [S II] 6732 | 40.62 ± 0.05 | 241 ± 63 | 100 ± 25 | 5.95 ± 0.36 |
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 | 11.37 |
|---|---|
| Hβ Broad SNR | 5.92 |
| Hγ Broad SNR | 2.60 |
| AGN frac | 0.92 |
| Host frac | 0.08 |
| log L5100,Host | 42.72 |
| Fe II/Hβ | 0.78 |
| Fe II/[O III] | 0.98 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 1 |
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.