Gas Disks and Supermassive Black Holes in Nearby Radio Galaxies

Intensity (erg s −1 cm −2 Å −1 arcsec −2 )
v r (km s −1 )
6•10 −15
5•10 −15
4•10 −15
3•10 −15
2•10 −15
1•10 −15
7000
6900
6800
6700
Reduced 2−D Spectrum
Single Gaussian per Line Fit
v r
X = 0.0
6600
−1.01 −0.34 0.34 1.01
Y (arcsec)
Y (arcsec)
0.91
0.41
-0.10
-0.61
Hα+[NII] & [SII] − Narrow Line Fit
σ gas (km s −1 )
600
400
200
σ gas
v r
+0.2 0.0 -0.2
X (arcsec)
0
6628 6687 6747 6806
Wavelength (Å)
6865 6925 6984
0.5"
X = 0.0
0
−1.01 −0.34 0.34 1.01
Y (arcsec)
Intensity (erg s −1 cm −2 Å −1 arcsec −2 )
F (10 −14 ergs s −1 cm −2 Hz −1 )
6•10 −15
5•10 −15
4•10 −15
3•10 −15
2•10 −15
1•10 −15
9
7
5
3
σ gas
+0.2 0.0 -0.2
X (arcsec)
[NII] 6585 Flux
X = 0.0
1
−1
−1.01 −0.34 0.34 1.01
Y (arcsec)
F([NII] 6585)
+0.2 0.0 -0.2
X (arcsec)
Hα+[NII] & [SII] − Narrow & Broad Cpt. Fit
[NII] 6585/Hα
10.0
1.0
F([NII])/F(Hα)
+0.2 0.0 -0.2
X (arcsec)
0
6628 6687 6747 6806
Wavelength (Angstroms)
6865 6925 6984
[NII]/Hα
X = 0.0
0.1
−1.01 −0.34 0.34 1.01
Y (arcsec)
Figure 3.12 Observation and fit data for UGC 7115, see Figure 3.1 for description.
132