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Table 4.

Measured and inferred CLQ properties.

Object MJD Hβ flux HβFWHM Hβz Hα flux HαFWHM Hαz MBH λEdd
(SDSS J) (erg s−1) (km s−1) (km s−1) (erg s−1) (km s−1) (km s−1) (108M)
0823 + 4220 52266 429 ± 20 3913 ± 169 −44 ± 100 2458 ± 25 4842 ± 62 218 ± 12 1.22 ± 0.3 0.013 ± 0.001
54524 227 ± 44 5073 ± 2252 309 ± 933 1198 ± 26 4453 ± 150 62 ± 45 0.729 ± 0.050 0.012 ± 0.001
1723 + 5504 51813 350 ± 13 8891 ± 517 1326 ± 221 1456 ± 33 6275 ± 143 227 ± 65 3.72 ± 0.17 0.013 ± 0.001
51997 509 ± 9 5317 ± 170 211 ± 61 2551 ± 23 6404 ± 121 203 ± 27 4.92 ± 0.18 0.016 ± 0.001
0126 − 0839 52163 296 ± 18 4200 ± 312 −181 ± 107 980 ± 16 3591 ± 73 −9 ± 25 1.22 ± 0.05 0.043 ± 0.002
54465 (a) 0 ... ... 0 ... ... ... ...
0829 + 4154 52266 1210 ± 201 8061 ± 1001 1597 ± 163 8241 ± 309 7297 ± 158 1045 ± 15 3.11 ± 0.87 0.006 ± 0.001
54524 2194 ± 205 8201 ± 696 1512 ± 150 15167 ± 45 7231 ± 25 846 ± 12 3.92 ± 0.58 0.008 ± 0.001
0002 − 0027 51791 404 ± 18 12203 ± 277 2334 ± 246 1646 ± 38 6835 ± 281 −304 ± 58 5.47 ± 0.46 0.014 ± 0.001
52559 362 ± 17 13709 ± 618 3986 ± 86 1105 ± 31 8628 ± 340 −427 ± 93 7.19 ± 0.58 0.007 ± 0.001
(BOSS) 55477 1199 ± 28 18931 ± 287 326 ± 135 1655 ± 19 7723 ± 116 −1119 ± 30 ... ...
1358 + 4934 53438 18 ± 9 1793 ± 1166 2873 ± 551 201 ± 22 5753 ± 541 492 ± 279 0.378 ± 0.07 0.002 ± 0.001
54553 238 ± 20 4527 ± 546 359 ± 131 870 ± 13 3368 ± 92 148 ± 22 0.282 ± 0.02 0.015 ± 0.001

Notes. Hβ (Hα) flux, FWHM, and z are the flux, FWHM and redshift with respect to the Hβ (Hα) rest wavelength, of the Hβ (Hα) broad component, MBH is the black hole mass calculated using the relation of Greene et al. (2010) and the broad Hα FWHM, and λEdd is the Eddington ratio. All stated errors are 1σ uncertainties generated from a 102 Monte Carlo simulation of the emission line fitting procedure from Sect. 3.4.3.

(a)

The AGN component of J0126–0839 completely dimmed in its second epoch spectrum.

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