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Table 3.

Rate of double and quad lensed TDEs, the ratio of double to quad lenses, and the fraction of quad to total lenses.

Model Band Doubles Quads N doubles N quads $ \frac{N_{\mathrm{doubles}}}{N_{\mathrm{quads}}} $ N quads N TDE , lensed $ \frac{N_{\mathrm{quads}}}{N_{\mathrm{TDE, lensed}}} $
Rate Rate [%]
L1, u 0.63 0.2 3.18 23.91
TRINITY, g 3.86 0.77 5.03 16.58
20 000 K r 2.82 0.69 4.12 19.54
i 1.26 0.41 3.07 24.58

L2, u 0.97 0.26 3.78 20.92
TRINITY, g 6.15 1.14 5.41 15.6
20 000 K r 4.61 1.15 4.02 19.92
i 1.98 0.67 2.94 25.4

L2, u 1.7 0.6 2.81 26.22
TRINITY g 8.63 1.8 4.81 17.22

T-dep. r 4.98 1.28 3.89 20.43
i 2.06 0.67 3.09 24.46

L2, u 0.22 0.14 1.56 39.13
TRINITY, g 2.26 0.85 2.65 27.41
40 000 K r 0.56 0.35 1.58 38.71
i 0.08 0.09 0.96 50.9

L2, u 0.9 0.24 3.75 21.04
COSMOS2015, g 5.92 1.38 4.29 18.91
20 000 K r 4.42 1.37 3.24 23.59
i 1.78 0.78 2.28 30.5

Notes. The rates are given in per year and 20 000 deg2. We expect to find a few doubles for every quad. This table is calculated for LSST magnitude limits.

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