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Table 1.

Seven most probable alignments before 2035.5, ordered chronologically.

Lens DR2 id Lens G Source DR2 id Source G P(d < 1RE) fmax Tmax
4116504399886241792a 13.86 4116504399831319424b 18.85 19.95 2020 Jul 3–22
2042703905028908928c 14.70 2042703900727995008 18.60 76.77 2025 Jul 20–27
2030898139472914688 15.62 2030898105088410112 19.92 49.29 2025 Sep 1–16
5903487940560263936d 14.63 5903487940560263808 17.86 44.60 2026 May 25–Jun 7
318399257231042304e,f 17.27 318399257231042048 17.94 35.85 2028 Jul 10–27
5918299904067162240g 14.91 5918299908365843840 13.90 45.93 2030 Mar 31–Apr 2
3425318817510655360h 16.15 3425318813215052288 19.35 27.96 2034 Sep 7–19
Notes. We give Gaia DR2 identifiers for the lens and the source, the probability of passage within one Einstein radius P(d < 1RE), the median and 68% confidence intervals for the peak net magnification (including dilution by the lens), and the epoch of peak magnification. Alternative identifiers for the lenses are given in the footnotes (marked ‘?’ where not certain). Further details for these and all 30 pairs are given in the appendix.
(a)

2MASS J17392440–2327071.

(b)

Two-parameter astrometric solution only.

(c)

G 207–14.

(d)

USNO-B1.0 0421–0506943?

(e)

LSPM J0146+3545.

(f)

No Teff from Priam.

(g)

WISE J175839.20–583931.6.

(h)

2MASS J06095230+2319143.

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