Table 1
General properties of sample.
| Object | RA | Dec | z | LHα,br | LHα,br/LHα,nar | L[OIII] | g | M g | 12 + log O/H | MBH |
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| J0045+1339 | 00 45 29.2 | +13 39 09 | 0.29522 | 2.7 × 1041 | 0.42 | 3.0 × 1042 | 21.8 | –18.6 | 7.9 | 2.4 × 106 |
| J1025+1402 | 10 25 30.3 | +14 02 07 | 0.10067 | 3.2 × 1041 | 3.38 | 2.7 × 1041 | 20.4 | –17.7 | 7.4 | 5.1 × 105 |
| J1047+0739 | 10 47 55.9 | +07 39 51 | 0.16828 | 1.6 × 1042 | 1.22 | 3.6 × 1042 | 19.9 | –19.2 | 8.0 | 3.1 × 106 |
| J1222+3602 | 12 22 45.7 | +36 02 18 | 0.30112 | 2.8 × 1041 | 0.72 | 2.0 × 1042 | 21.3 | –19.1 | 7.9 | 6.3 × 105 |
| J1536+3122 | 15 36 56.5 | +31 22 48 | 0.05619 | 4.6 × 1040 | 0.19 | 1.8 × 1039 | 17.5 | –19.3 | 8.3 | 3.3 × 105 |
| J0840+4707 | 08 40 29.9 | +47 07 10 | 0.04219 | 8.5 × 1040 | 0.17 | 8.5 × 1039 | 17.6 | –18.5 | 7.6 | 3.0 × 105 |
| J1404+5423 | 14 04 28.6 | +54 23 53 | 0.00117 | 1.9 × 1038 | 0.15 | 7.4 × 1036 | 16.7 | –12.4 | 7.9 | 4.2 × 104? |
Notes. Column 1: shortened SDSS object name, from I07. Column 2: right ascension in epoch J2000.0. Column 3: declination in epoch J2000.0. Column 4: redshift. Column 5: luminosity of the broad Hα, LHα,br, in erg s-1. Column 6: ratio of broad/narrow Hα luminosity components, LHα,br/LHα,nar. Column 7: luminosity of the [Oiii] λ5007, L[OIII], in erg s-1. Column 8: apparent magnitude, g, from SDSS, in ABmag. Column 9: absolute magnitude, Mg, in ABmag. Column 10: metallicity based on oxygen abundance, 12 + log O/H. Column 11: black hole mass, MBH, estimated from Hα relation of GH05, in M⊙. The last object, SDSS J1404+5423, is located ~11′ (~16 kpc) from the nucleus of M101, which likely rules out a central massive black hole.
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