NGC 6860
Observation
| Spectrum ID | 485673774_sp1 |
|---|---|
| Alt name | g2008469-610560 |
| z | 0.0146 |
| RA, Dec | 302.1954, -61.0999 |
| MJD | 59078.4 |
| SNR/Å B/R | 20.2/44.2 |
| Obs Airmass | 1.32 |
| SMSS ID | 485673774 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 14.3 ± 0.1 |
| 2MASS Kext | 9.4 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.036 |
| Power law αν | -1.92 ± 0.06 |
| log L5100,AGN | 42.68 ± 0.01 |
| log HβBr/[O III] | 0.02 ± 0.01 |
| log ML5100/M☉ | 7.59 ± 0.07 |
| log MHα/M☉ | 7.29 ± 0.03 |
| log MHβ/M☉ | 7.52 ± 0.08 |
| log M[O III]/M☉ | 7.64 ± 0.08 |
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 | 39.17 ± 0.19 | 380 ± 63 | 213 ± 25 | 1.59 ± 0.43 |
| Hγ Broad | 40.06 ± 0.08 | 3230 ± 581 | 1332 ± 84 | 11.89 ± 1.09 |
| [O III] 4364 | 39.23 ± 0.13 | 366 ± 63 | 155 ± 25 | 1.82 ± 0.33 |
| He II Narrow | 39.06 ± 0.19 | 366 ± 63 | 155 ± 25 | 1.23 ± 0.26 |
| He II Broad | 39.04 ± 0.32 | 1179 ± 62 | 501 ± 25 | 1.17 ± 0.45 |
| Hβ Narrow | 39.80 ± 0.04 | 380 ± 63 | 213 ± 25 | 6.84 ± 0.33 |
| Hβ Broad | 40.75 ± 0.01 | 4250 ± 317 | 1716 ± 41 | 59.77 ± 0.93 |
| [O III] 5007 | 40.73 ± 0.01 | 380 ± 63 | 213 ± 25 | 57.39 ± 0.34 |
| He I Narrow | 39.21 ± 0.06 | 366 ± 63 | 155 ± 25 | 1.75 ± 0.16 |
| He I Broad | 40.47 ± 0.03 | 12738 ± 178 | 5409 ± 75 | 32.09 ± 1.26 |
| [O I] 6300 | 39.59 ± 0.02 | 366 ± 63 | 155 ± 25 | 4.31 ± 0.19 |
| Hα Narrow | 40.41 ± 0.01 | 366 ± 63 | 155 ± 25 | 27.94 ± 0.21 |
| Hα Broad | 41.51 ± 0.01 | 3472 ± 65 | 1554 ± 25 | 355.03 ± 0.79 |
| [N II] 6585 | 40.39 ± 0.01 | 366 ± 63 | 155 ± 25 | 27.00 ± 0.21 |
| [S II] 6718 | 39.94 ± 0.01 | 366 ± 63 | 155 ± 25 | 9.64 ± 0.17 |
| [S II] 6732 | 39.89 ± 0.01 | 366 ± 63 | 155 ± 25 | 8.57 ± 0.18 |
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 | 33.86 |
|---|---|
| Hβ Broad SNR | 7.17 |
| Hγ Broad SNR | 2.17 |
| AGN frac | 0.48 |
| Host frac | 0.52 |
| log L5100,Host | 42.72 |
| Fe II/Hβ | 0.97 |
| Fe II/[O III] | 1.01 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
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.