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2MASS J13171648-2406374

Observation

Spectrum ID104873980_sp1
Alt nameg1317165-240637
z0.0630
RA, Dec199.3187, -24.1103
MJD60018.66
SNR/Å B/R10.1/19.4
Obs Airmass1.01
SMSS ID104873980
Closest SMSS3.86'', 2170668034
SMSS Mean r6"ap16.9 ± 0.1
2MASS Kext13.5 ± 0.2

AGN Properties

Spectrum TypeSy 1.5
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.084
Power law αν-0.25 ± 0.15
log L5100,AGN43.42 ± 0.02
log HβBr/[O III]0.01 ± 0.03
log ML5100/M8.00 ± 0.06
log M/M7.42 ± 0.02
log M/M7.89 ± 0.07
log M[O III]/M8.03 ± 0.06

Spatial extraction & sky subtraction region

Spatial plot

Spaxel scale: 1 arcsec² — Flux units: erg s⁻¹ cm⁻² Å⁻¹
Apertures: object (solid), background (dashed)

Spectrum decomposition

Emission line measurements

Linelog L (erg s⁻¹)FWHM (km s⁻¹)σ (km s⁻¹)EW (Å)
Hγ Narrow40.00 ± 0.18275 ± 63246 ± 341.44 ± 0.62
Hγ Broad40.55 ± 0.111664 ± 84529 ± 254.84 ± 0.74
[O III] 436439.80 ± 0.21270 ± 63113 ± 250.93 ± 0.29
He II Narrow39.96 ± 0.17270 ± 63113 ± 251.50 ± 0.29
He II Broad40.00 ± 0.301179 ± 62500 ± 251.66 ± 0.61
Hβ Narrow40.35 ± 0.07275 ± 63246 ± 343.96 ± 0.64
Hβ Broad41.37 ± 0.024697 ± 3121825 ± 3940.57 ± 1.33
[O III] 500741.36 ± 0.01275 ± 63246 ± 3442.49 ± 0.72
He I Narrow39.24 ± 0.32270 ± 63113 ± 250.42 ± 0.19
He I Broad40.41 ± 0.082297 ± 68975 ± 276.31 ± 0.61
[O I] 630039.57 ± 0.14270 ± 63113 ± 251.04 ± 0.21
Hα Narrow40.95 ± 0.01270 ± 63113 ± 2526.59 ± 0.28
Hα Broad41.78 ± 0.013332 ± 681383 ± 49180.89 ± 1.46
[N II] 658540.75 ± 0.01270 ± 63113 ± 2516.81 ± 0.27
[S II] 671840.32 ± 0.03270 ± 63113 ± 256.48 ± 0.25
[S II] 673240.23 ± 0.04270 ± 63113 ± 255.30 ± 0.27

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 SNR9.26
Hβ Broad SNR3.67
Hγ Broad SNR1.78
AGN frac0.72
Host frac0.28
log L5100,Host43.02
Fe II/Hβ0.78
Fe II/[O III]0.79

Quality flags

spurious_hab/hbb0.0/0
l51000
balmer0
balmer_snr1
hb_width0
balmer_width0

Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.