IRAS 10295-1831
Observation
| Spectrum ID | 90924274_sp1 |
|---|---|
| Alt name | g1031573-184633 |
| z | 0.0407 |
| RA, Dec | 157.9888, -18.7760 |
| MJD | 60079.39 |
| SNR/Å B/R | 2.7/4.1 |
| Obs Airmass | 1.03 |
| SMSS ID | 90924274 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.3 ± 0.1 |
| 2MASS Kext | 11.6 ± 0.1 |
AGN Properties
| Spectrum Type | Bad |
|---|---|
| Quality Flag | bad_all |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.067 |
| Power law αν | -0.87 ± 0.12 |
| log L5100,AGN | 42.57 ± 0.04 |
| log HβBr/[O III] | — |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.31 ± 0.07 |
| 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 | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | 39.28 ± 0.41 | 1219 ± 62 | 517 ± 25 | 2.37 ± 1.84 |
| Hβ Narrow | 39.76 ± 0.12 | 405 ± 63 | 140 ± 25 | 7.39 ± 0.85 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 39.96 ± 0.05 | 405 ± 63 | 140 ± 25 | 12.08 ± 0.90 |
| He I Narrow | — | — | — | — |
| He I Broad | 39.18 ± 0.41 | 1178 ± 62 | 500 ± 25 | 2.43 ± 1.53 |
| [O I] 6300 | 39.52 ± 0.10 | 227 ± 62 | 96 ± 25 | 5.73 ± 0.77 |
| Hα Narrow | 40.44 ± 0.02 | 227 ± 62 | 96 ± 25 | 50.22 ± 1.01 |
| Hα Broad | 40.74 ± 0.03 | 1931 ± 113 | 805 ± 30 | 99.96 ± 2.87 |
| [N II] 6585 | 40.22 ± 0.02 | 227 ± 62 | 96 ± 25 | 30.23 ± 0.82 |
| [S II] 6718 | 39.54 ± 0.08 | 227 ± 62 | 96 ± 25 | 6.46 ± 0.81 |
| [S II] 6732 | 39.69 ± 0.07 | 227 ± 62 | 96 ± 25 | 9.12 ± 0.82 |
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 | 3.33 |
|---|---|
| Hβ Broad SNR | 0.90 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.82 |
| Host frac | 0.18 |
| log L5100,Host | 41.93 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
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.