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
2460610.879 (2024-Oct-27.379) 17.94 ± 0.54 5.24
2460610.916 (2024-Oct-27.416) 99.99 ± 99.99 4.93
2460611.891 (2024-Oct-28.391) 20.06 ± 1.06 4.22
2460611.926 (2024-Oct-28.426) 20.64 ± 6.94 5.53
2460614.884 (2024-Oct-31.384) 99.99 ± 99.99 5.21

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