MOA 2021-BLG-171

Event Parameters

Internal ID:gb9-R-9-130048
Discovery date:2021-06-09T10:38:01
RA:18:00:20.88
Dec:-28:56:29.89
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
151170 18:00:21.10 -28:56:28.76 18.67 ± 0.24 3.94
151171 18:00:21.08 -28:56:32.43 18.83 ± 0.29 3.90
151244 18:00:20.89 -28:56:30.79 15.96 ± 0.18 0.76
151270 18:00:20.86 -28:56:34.41 16.55 ± 0.07 4.09
151342 18:00:20.72 -28:56:32.26 17.87 ± 0.16 2.42

Last 5 photometry measurements

Observation dateI magseeing
2460611.919 (2024-Oct-28.419) 15.78 ± 0.07 5.51
2460611.928 (2024-Oct-28.428) 15.81 ± 0.04 4.92
2460614.863 (2024-Oct-31.363) 15.81 ± 0.06 5.10
2460614.869 (2024-Oct-31.369) 16.20 ± 0.06 5.20
2460614.873 (2024-Oct-31.373) 15.79 ± 0.06 5.31

Calibration: I = 27.40 - 2.5 log10(ΔF + 37705.09)

Single lens fit parameters

tmax =JD 2459374.43 ± 0.04 UT (2021-Jun-8.93)
tE =16.71 ± 1.55 days
u0 =0.1748 ± 0.0240
Ibase =19.37 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice