Table A3.
Characteristics of the nine photometric microlensing events ME15-ME23.
| Name | OGLE SMC115.5.319 | ME15 | SDSS J035037.54+112707.9 | ME16 | – | ME17 |
|---|---|---|---|---|---|---|
| Spectral Type | WD | – | M2V | – | M | – |
| GDR2 Source ID | 4687445500635789184 | 4687445599404851456 | 36697403171648128 | 36697407465577856 | 45148627499075584 | 45148631792418560 |
| αref (deg±mas) | 17.7691778251±0.123 | 17.7707589355±0.169 | 57.6566688599±0.234 | 57.6568631007±0.856 | 61.8675521451±0.268 | 61.8676334642±1.373 |
| δref (deg±mas) | −72.4621946776±0.090 | −72.4624613402±0.122 | 11.4519500665±0.110 | 11.4517550481±0.757 | 15.3066735721±0.186 | 15.3065150112±1.267 |
| μα* (mas yr−1) | 272.35(24) | 1.02(34) | 91.89(45) | – | 34.94(62) | – |
| μδ (mas yr−1) | −170.39(18) | −1.78(24) | −97.02(31) | – | −67.03(53) | – |
| ϖ (mas) | 34.84(12) | 0.10(17) | 2.74(27) | – | 3.71(29) | – |
| G (mag) | 17.6482(12) | 18.1510(18) | 17.8776(13) | 19.4261(41) | 18.5799(24) | 20.347(10) |
| GBP (mag) | 18.0831(434) | 17.9983(89) | 18.7822(212) | – | 19.7360(667) | – |
| GRP (mag) | 16.8239(107) | 18.0555(34) | 16.6000(56) | – | 17.1440(122) | – |
| M (M⊙) | 0.64 | – | 0.46 | – | 0.42 | – |
| θE (mas) | – | 13.42(4) | – | 3.21(16) | – | 3.58(14) |
| u0 (θE) | – |
|
– |
|
– |
|
| u0 (mas) | – |
|
– |
|
– |
|
| t0 (Julian year) | – |
|
– | 2022.831(20) | – |
|
| Δ(A, A1) (mag) | – | 0.0010(1) | – |
|
– |
|
| T[Δ(A, A1)] (d) | – |
|
– |
|
– |
|
| Δ(δmic, θ2) (mas) | – |
|
– |
|
– |
|
| T1[Δ(δmic, θ2)] (d) | – |
|
– |
|
– |
|
| Name | G192-52 | ME18 | 2MASS J13055171−7218081 | ME19 | – | ME20 |
| Spectral Type | sdM1e | – | M | – | WD | – |
| GDR2 Source ID | 993144190006664832 | 993144185711067136 | 5840411363658156032 | 5840411359350016128 | 5902615306303778304 | 5902615301994733696 |
| αref (deg±mas) | 102.6904889155±0.031 | 102.6906795987±0.684 | 196.4603985004±0.087 | 196.4590182889±0.159 | 229.5240609423±0.095 | 229.5240237978±0.104 |
| δref (deg±mas) | 52.2282352111±0.028 | 52.2272715905±0.658 | −72.3009951372±0.076 | −72.3006261030±0.136 | −48.9059371210±0.079 | −48.9063514134±0.087 |
| μα* (mas yr−1) | 39.673(52) | 0.5(10) | −362.72(17) | −12.95(37) | −18.15(26) | −3.85(29) |
| μδ (mas yr−1) | −337.940(52) | −1.2(11) | 306.51(15) | 2.93(29) | −159.22(22) | −3.28(24) |
| ϖ (mas) | 13.394(38) | −0.2(7) | 9.55(9) | 0.62(17) | 24.64(13) | 0.19(14) |
| G (mag) | 13.6801(4) | 19.5038(62) | 17.1820(8) | 18.1750(17) | 17.5120(13) | 17.6448(12) |
| GBP (mag) | 14.7009(32) | 19.1053(2084) | 18.1869(276) | 18.7933(613) | 17.5671(279) | – |
| GRP (mag) | 12.6886(15) | 17.7353(687) | 16.0422(117) | 17.3676(479) | 16.5060(430) | – |
| M (M⊙) | 0.47 | – | 0.25 | – | 0.45 | – |
| θE (mas) | – | 7.19(19) | – | 4.25(5) | – | 9.51(4) |
| u0 (θE) | – |
|
– |
|
– |
|
| u0 (mas) | – |
|
– |
|
– |
|
| t0 (Julian year) | – |
|
– |
|
– |
|
| Δ(A, A1) (mag) | – |
|
– |
|
– |
|
| T[Δ(A, A1)] (d) | – |
|
– |
|
– |
|
| Δ(δmic, θ2) (mas) | – | 0.498(26) | – | 0.718(93) | – |
|
| T1[Δ(δmic, θ2)] (d) | – | 191.7(26) | – |
|
– |
|
| Name | – | ME21 | Wolf 851 | ME22 | – | ME23 |
| Spectral Type | WD | – | sdK7 | – | M | – |
| GDR2 Source ID | 4079513805001070720 | 4079513805001070592 | 4278722497040124032 | 4278722497031268224 | 2026434843801289344 | 2026434843801289472 |
| αref (deg±mas) | 278.7987836452±0.253 | 278.7985968980±28.409 | 280.4016967890±0.050 | 280.4018007595±1.142 | 291.2523104521±0.118 | 291.2522150836±0.122 |
| δref (deg±mas) | −21.9809041462±0.246 | −21.9807651294±28.781 | 0.9119814724±0.046 | 0.9075026888±1.059 | 28.7451149554±0.142 | 28.7448781489±0.139 |
| μα* (mas yr−1) | −73.10(51) | – | 45.95(11) | −3.0(24) | −31.73(27) | −0.57(27) |
| μδ (mas yr−1) | 55.47(43) | – | −1981.23(10) | −4.6(24) | −81.80(31) | −2.24(29) |
| ϖ (mas) | 12.41(28) | – | 33.325(51) | 0.3(13) | 5.70(17) | −0.30(20) |
| G (mag) | 18.1970(45) | 19.9788(98) | 11.5616(3) | 20.415(14) | 18.2119(17) | 18.1091(19) |
| GBP (mag) | 18.3191(491) | – | 12.4457(19) | – | 18.7117(861) | 18.4817(217) |
| GRP (mag) | 17.4404(651) | – | 10.6595(18) | 19.107(94) | 16.4903(312) | 16.4346(136) |
| M (M⊙) | 0.32 | – | 0.43 | – | 0.24 | – |
| θE (mas) | – | 5.71(7) | – | 10.69(21) | – | 3.45(8) |
| u0 (θE) | – |
|
– |
|
– |
|
| u0 (mas) | – |
|
– |
|
– |
|
| t0 (Julian year) | – |
|
– |
|
– |
|
| Δ(A, A1) (mag) | – |
|
– |
|
– |
|
| T[Δ(A, A1)] (d) | – |
|
– |
|
– | 133(15) |
| Δ(δmic, θ2) (mas) | – |
|
– | 1.10(4) | – |
|
| T1[Δ(δmic, θ2)] (d) | – |
|
– |
|
– |
|
Notes. Most quantities have already been defined in the text. Δ(A, A1) is the difference between the minimum and maximum magnifications (in magnitudes) of an event over the 12-yr baseline of an extended Gaia mission. T[Δ(A, A1)] is the amount of time that an event spends with its magnification above min{A, A1}+Δ(A, A1)/2. Similarly, Δ(δmic, θ2) is the difference between the minimum and maximum astrometric shifts of an event over the 12-yr baseline of an extended Gaia mission. T[Δ(δmic, θ2)] is the amount of time that an event spends with its astrometric shift above {δmic, θ2} + Δ(δmic, θ2)/2. The numbers in parentheses indicate the uncertainty on the last digit.
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