MOA 2020-BLG-275

Event Parameters

Internal ID:gb17-R-9-21965
Discovery date:2020-09-20T14:43:00
RA:18:13:33.71
Dec:-27:10:04.24
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
141470 18:13:33.89 -27:10:01.80 18.56 ± 0.19 4.43
141471 18:13:33.87 -27:10:05.41 16.18 ± 0.16 2.83
141557 18:13:33.72 -27:10:07.37 17.79 ± 0.13 2.74
141581 18:13:33.61 -27:10:04.69 17.70 ± 0.14 0.78
141603 18:13:33.59 -27:10:01.76 17.70 ± 0.07 3.34
141656 18:13:33.51 -27:10:07.02 14.95 ± 0.03 3.12

Last 5 photometry measurements

Observation dateI magseeing
2460610.879 (2024-Oct-27.379) 17.36 ± 0.23 5.28
2460610.916 (2024-Oct-27.416) 17.20 ± 0.15 5.03
2460611.891 (2024-Oct-28.391) 17.33 ± 0.10 4.28
2460611.926 (2024-Oct-28.426) 17.56 ± 0.38 5.51
2460614.884 (2024-Oct-31.384) 17.23 ± 0.18 5.10

Calibration: I = 27.40 - 2.5 log10(ΔF + 7585.78)

Single lens fit parameters

tmax =JD 2459114.28 ± 0.03 UT (2020-Sep-21.78)
tE =41.99 ± 13.21 days
u0 =0.0094 ± 0.0048
Ibase =20.74 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice