MOA 2021-BLG-166

Event Parameters

Internal ID:gb10-R-3-64347
Discovery date:2021-06-09T08:28:26
RA:17:59:53.34
Dec:-27:26:01.44
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
177333 17:59:53.21 -27:25:58.52 19.13 ± 0.31 3.42
177399 17:59:53.28 -27:26:02.17 20.26 ± 0.53 1.99
177458 17:59:53.39 -27:26:00.84 18.45 ± 0.09 0.04
177523 17:59:53.49 -27:25:56.75 19.14 ± 0.18 4.48
177575 17:59:53.58 -27:26:01.22 15.64 ± 0.07 2.72

Last 5 photometry measurements

Observation dateI magseeing
2460572.891 (2024-Sep-19.391) 18.33 ± 0.23 3.11
2460572.931 (2024-Sep-19.431) 17.70 ± 0.18 4.00
2460572.943 (2024-Sep-19.443) 18.09 ± 0.23 4.10
2460572.953 (2024-Sep-19.453) 18.26 ± 0.22 3.37
2460575.918 (2024-Sep-22.418) 17.01 ± 0.32 5.46

Calibration: I = 27.40 - 2.5 log10(ΔF + 3794.90)

Single lens fit parameters

tmax =JD 2459377.62 ± 0.01 UT (2021-Jun-12.12)
tE =0.30 ± 0.00 days
u0 =8.1581 ± 0.0155
Ibase =7.67 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice