← atlas

NGC 5260

Observation

Spectrum ID1130899285_sp1
Alt nameg1340199-235129
z0.0212
RA, Dec205.0829, -23.8581
MJD60376.69
SNR/Å B/R18.2/29.9
Obs Airmass1.01
SMSS ID1130899285
Closest SMSS2.47'', 2170963871
SMSS Mean r6"ap15.9 ± 0.1
2MASS Kext9.9 ± 0.1

AGN Properties

Spectrum TypeSy 1.5+
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.068
Power law αν-1.99 ± 0.01
log L5100,AGN39.83 ± 0.69
log HβBr/[O III]<-0.33
log ML5100/M
log M/M6.32 ± 0.11
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 Narrow38.10 ± 0.44240 ± 6299 ± 2595.64 ± 90.91
He II Broad
Hβ Narrow39.01 ± 0.08239 ± 62124 ± 28776.17 ± 138.47
Hβ Broad<39.49
[O III] 500739.82 ± 0.02239 ± 62124 ± 284923.38 ± 114.09
He I Narrow
He I Broad39.82 ± 0.064796 ± 622037 ± 254951.27 ± 409.61
[O I] 630038.86 ± 0.09240 ± 6299 ± 25541.22 ± 78.16
Hα Narrow39.54 ± 0.02240 ± 6299 ± 252625.96 ± 81.92
Hα Broad39.88 ± 0.063557 ± 2141360 ± 465629.60 ± 339.22
[N II] 658539.72 ± 0.01240 ± 6299 ± 253944.36 ± 84.77
[S II] 671839.30 ± 0.04240 ± 6299 ± 251504.63 ± 113.57
[S II] 673239.10 ± 0.07240 ± 6299 ± 25952.70 ± 102.17

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 SNR1.27
Hβ Broad SNR0.39
Hγ Broad SNR0.00
AGN frac0.00
Host frac1.00
log L5100,Host42.79
Fe II/Hβ
Fe II/[O III]

Quality flags

spurious_hab/hbb0.0/0
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.