ESO 49-9
Observation
| Spectrum ID | 1593527046_sp1 |
|---|---|
| Alt name | g2317463-721558 |
| z | 0.0568 |
| RA, Dec | 349.4429, -72.2661 |
| MJD | 60176.64 |
| SNR/Å B/R | 7.0/13.4 |
| Obs Airmass | 1.32 |
| SMSS ID | 1593527046 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.3 ± 0.1 |
| 2MASS Kext | 12.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.025 |
| Power law αν | -1.09 ± 0.47 |
| log L5100,AGN | 41.52 ± 0.30 |
| log HβBr/[O III] | -0.46 ± 0.09 |
| log ML5100/M☉ | 6.75 ± 0.14 |
| log MHα/M☉ | 6.44 ± 0.07 |
| log MHβ/M☉ | 7.00 ± 0.08 |
| log M[O III]/M☉ | 7.33 ± 0.05 |
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 | 40.29 ± 0.11 | 2443 ± 820 | 911 ± 28 | 258.15 ± 33.08 |
| [O III] 4364 | 39.10 ± 0.40 | 311 ± 63 | 130 ± 25 | 16.85 ± 10.84 |
| He II Narrow | 39.25 ± 0.30 | 311 ± 63 | 130 ± 25 | 25.50 ± 10.41 |
| He II Broad | 39.51 ± 0.36 | 1627 ± 63 | 690 ± 25 | 46.03 ± 24.29 |
| Hβ Narrow | 39.79 ± 0.11 | 318 ± 63 | 258 ± 40 | 91.70 ± 20.93 |
| Hβ Broad | 40.37 ± 0.08 | 2839 ± 114 | 1061 ± 44 | 331.01 ± 32.32 |
| [O III] 5007 | 40.83 ± 0.02 | 318 ± 63 | 258 ± 40 | 1021.15 ± 23.69 |
| He I Narrow | 39.14 ± 0.28 | 311 ± 63 | 130 ± 25 | 24.36 ± 12.67 |
| He I Broad | 39.37 ± 0.34 | 1179 ± 62 | 500 ± 25 | 41.00 ± 19.11 |
| [O I] 6300 | 39.30 ± 0.16 | 311 ± 63 | 130 ± 25 | 37.41 ± 8.73 |
| Hα Narrow | 40.30 ± 0.03 | 311 ± 63 | 130 ± 25 | 392.94 ± 12.41 |
| Hα Broad | 41.07 ± 0.02 | 1788 ± 114 | 954 ± 27 | 2253.78 ± 35.29 |
| [N II] 6585 | 40.16 ± 0.03 | 311 ± 63 | 130 ± 25 | 284.80 ± 11.46 |
| [S II] 6718 | 39.84 ± 0.05 | 311 ± 63 | 130 ± 25 | 137.29 ± 9.78 |
| [S II] 6732 | 39.76 ± 0.06 | 311 ± 63 | 130 ± 25 | 115.34 ± 9.62 |
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 | 6.68 |
|---|---|
| Hβ Broad SNR | 1.41 |
| Hγ Broad SNR | 1.64 |
| AGN frac | 0.03 |
| Host frac | 0.97 |
| log L5100,Host | 43.04 |
| Fe II/Hβ | 0.38 |
| Fe II/[O III] | 0.13 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
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.