MOA 2021-BLG-183

Event Parameters

Internal ID:gb17-R-8-51860
Discovery date:2021-06-17T03:39:08
RA:18:12:57.13
Dec:-27:22:53.94
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
72988 18:12:57.38 -27:22:54.66 16.73 ± 0.19 4.10
73037 18:12:57.31 -27:22:51.72 17.88 ± 0.13 4.23
73116 18:12:57.14 -27:22:52.48 18.20 ± 0.15 2.26
73117 18:12:57.14 -27:22:56.05 16.68 ± 0.13 1.73
73202 18:12:57.03 -27:22:59.06 17.36 ± 0.30 4.73
73273 18:12:56.89 -27:22:53.30 17.68 ± 0.16 2.93
73274 18:12:56.89 -27:22:56.59 18.45 ± 0.22 3.39

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 99.99 ± 99.99 2.98
2460245.931 (2023-Oct-28.431) 19.74 ± 0.76 3.21
2460246.862 (2023-Oct-29.362) 22.80 ± 10.87 3.57
2460246.903 (2023-Oct-29.403) 19.81 ± 0.61 3.33
2460246.931 (2023-Oct-29.431) 20.19 ± 1.30 3.76

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459425.17 ± 0.19 UT (2021-Jul-29.67)
tE =4945.90 ± 19.85 days
u0 =0.0062 ± 0.0001
Ibase =22.92 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice