MOA 2021-BLG-428

Event Parameters

Internal ID:gb4-R-2-107501
Discovery date:2021-10-11T11:03:27
RA:17:52:37.16
Dec:-30:39:24.15
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
28003 17:52:36.95 -30:39:22.18 13.16 ± 0.09 3.75
28075 17:52:37.20 -30:39:25.37 16.69 ± 0.06 1.88
28076 17:52:37.20 -30:39:22.56 14.67 ± 0.04 1.03

Last 5 photometry measurements

Observation dateI magseeing
2460611.899 (2024-Oct-28.399) 14.70 ± 0.01 4.62
2460611.911 (2024-Oct-28.411) 14.74 ± 0.02 4.81
2460611.921 (2024-Oct-28.421) 14.73 ± 0.02 5.27
2460611.930 (2024-Oct-28.430) 14.68 ± 0.01 4.44
2460614.875 (2024-Oct-31.375) 14.75 ± 0.02 5.17

Calibration: I = 27.40 - 2.5 log10(ΔF + 123936.72)

Single lens fit parameters

tmax =JD 2459502.45 ± 0.05 UT (2021-Oct-14.95)
tE =13.65 ± 1.11 days
u0 =1.0051 ± 0.1400
Ibase =13.91 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice