MOA 2021-BLG-107

Event Parameters

Internal ID:gb19-R-8-10402
Discovery date:2021-05-02T12:38:44
RA:18:20:17.46
Dec:-25:26:04.38
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
23522 18:20:17.69 -25:26:05.75 14.93 ± 0.08 3.94
23577 18:20:17.57 -25:26:07.40 17.61 ± 0.06 3.35
23658 18:20:17.42 -25:26:02.81 17.57 ± 0.06 2.24
23683 18:20:17.39 -25:26:04.84 17.65 ± 0.10 0.41
23705 18:20:17.33 -25:26:00.56 17.63 ± 0.07 4.71
23755 18:20:17.27 -25:26:07.88 17.28 ± 0.05 3.63

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 17.68 ± 0.06 2.50
2460239.943 (2023-Oct-22.443) 17.70 ± 0.10 3.44
2460244.878 (2023-Oct-27.378) 17.56 ± 0.13 4.33
2460245.873 (2023-Oct-28.373) 17.75 ± 0.11 3.35
2460246.872 (2023-Oct-29.372) 17.49 ± 0.10 3.56

Calibration: I = 27.40 - 2.5 log10(ΔF + 7972.60)

Single lens fit parameters

tmax =JD 2459349.12 ± 0.03 UT (2021-May-14.62)
tE =40.01 ± 1.65 days
u0 =0.1236 ± 0.0060
Ibase =18.40 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice