2MASS J15155929-3602337
Observation
| Spectrum ID | 112952110_sp1 |
|---|---|
| Alt name | 6199896346751788160 |
| z | 0.0731 |
| RA, Dec | 228.9971, -36.0427 |
| MJD | 60843.53 |
| SNR/Å B/R | 10.1/12.5 |
| Obs Airmass | 1.03 |
| SMSS ID | 112952110 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.4 ± 0.1 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | AllBRICQS2 |
| MW E(B−V) | 0.129 |
| Power law αν | 0.33 ± 0.09 |
| log L5100,AGN | 43.68 ± 0.01 |
| log HβBr/[O III] | 0.16 ± 0.02 |
| log ML5100/M☉ | 7.29 ± 0.05 |
| log MHα/M☉ | 6.92 ± 0.04 |
| log MHβ/M☉ | 7.32 ± 0.05 |
| log M[O III]/M☉ | 7.41 ± 0.04 |
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 | 40.52 ± 0.11 | 305 ± 63 | 235 ± 30 | 2.42 ± 0.55 |
| Hγ Broad | 41.25 ± 0.06 | 1399 ± 132 | 821 ± 102 | 13.00 ± 0.93 |
| [O III] 4364 | 40.10 ± 0.19 | 296 ± 63 | 124 ± 25 | 0.94 ± 0.25 |
| He II Narrow | 40.27 ± 0.09 | 296 ± 63 | 124 ± 25 | 1.61 ± 0.22 |
| He II Broad | 41.10 ± 0.07 | 4695 ± 366 | 1994 ± 155 | 11.00 ± 1.09 |
| Hβ Narrow | 40.84 ± 0.05 | 305 ± 63 | 235 ± 30 | 6.62 ± 0.57 |
| Hβ Broad | 41.94 ± 0.01 | 1823 ± 92 | 1890 ± 57 | 81.80 ± 1.57 |
| [O III] 5007 | 41.77 ± 0.01 | 305 ± 63 | 235 ± 30 | 59.94 ± 0.68 |
| He I Narrow | 39.54 ± 0.32 | 296 ± 63 | 124 ± 25 | 0.51 ± 0.30 |
| He I Broad | 41.09 ± 0.06 | 6903 ± 250 | 2931 ± 106 | 18.13 ± 1.21 |
| [O I] 6300 | 39.81 ± 0.16 | 296 ± 63 | 124 ± 25 | 1.11 ± 0.27 |
| Hα Narrow | 41.26 ± 0.01 | 296 ± 63 | 124 ± 25 | 34.82 ± 0.46 |
| Hα Broad | 42.15 ± 0.01 | 1447 ± 64 | 688 ± 25 | 270.18 ± 2.14 |
| [N II] 6585 | 40.68 ± 0.03 | 296 ± 63 | 124 ± 25 | 9.10 ± 0.39 |
| [S II] 6718 | 40.53 ± 0.04 | 296 ± 63 | 124 ± 25 | 6.79 ± 0.38 |
| [S II] 6732 | 40.42 ± 0.04 | 296 ± 63 | 124 ± 25 | 5.32 ± 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 | 26.01 |
|---|---|
| Hβ Broad SNR | 11.80 |
| Hγ Broad SNR | 4.62 |
| AGN frac | 0.89 |
| Host frac | 0.11 |
| log L5100,Host | 42.78 |
| Fe II/Hβ | 0.75 |
| Fe II/[O III] | 1.10 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 2 |
balmer_width | 0 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.