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ICRF J112824.6-112218

Observation

Spectrum ID93149204_sp1
Alt nameMRC 1125-110
z0.0770
RA, Dec172.1027, -11.3717
MJD61090.65
SNR/Å B/R11.0/20.7
Obs Airmass1.06
SMSS ID93149204
Closest SMSS8.90'', 93149202
SMSS Mean r6"ap15.7 ± 0.0
2MASS Kext11.2 ± 0.1

AGN Properties

Spectrum TypeNon-ELG
Quality Flaggood
AGN referencePGC
MW E(B−V)0.039
Power law αν0.50 ± 0.01
log L5100,AGN42.77 ± 0.18
log HβBr/[O III]
log ML5100/M
log M/M
log M/M
log M[O III]/M

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 Narrow
Hγ Broad
[O III] 4364
He II Narrow
He II Broad
Hβ Narrow
Hβ Broad
[O III] 500739.90 ± 0.17176 ± 63378 ± 1586.19 ± 5.29
He I Narrow39.25 ± 0.32179 ± 6271 ± 252.17 ± 1.56
He I Broad
[O I] 630039.65 ± 0.14179 ± 6271 ± 256.46 ± 1.89
Hα Narrow
Hα Broad
[N II] 658539.59 ± 0.19179 ± 6271 ± 256.31 ± 2.16
[S II] 671839.58 ± 0.17179 ± 6271 ± 256.51 ± 2.38
[S II] 6732

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 SNR0.58
Hβ Broad SNR0.00
Hγ Broad SNR0.00
AGN frac0.09
Host frac0.91
log L5100,Host43.79
Fe II/Hβ
Fe II/[O III]

Quality flags

spurious_hab/hbb0.0/2
l51002
balmer2
balmer_snr2
hb_width2
balmer_width2

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