MOA 2021-BLG-281

Event Parameters

Internal ID:gb6-R-6-32098
Discovery date:2021-07-26T12:47:52
RA:17:54:45.18
Dec:-28:19:39.37
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
167245 17:54:45.33 -28:19:37.78 15.42 ± 0.04 3.48
167267 17:54:45.25 -28:19:42.19 16.57 ± 0.08 2.83
167314 17:54:45.17 -28:19:39.56 16.18 ± 0.17 0.62
167430 17:54:44.96 -28:19:36.22 17.19 ± 0.06 4.64
167498 17:54:44.81 -28:19:38.39 17.63 ± 0.11 4.76

Last 5 photometry measurements

Observation dateI magseeing
2460235.907 (2023-Oct-18.407) 16.34 ± 0.38 3.61
2460239.931 (2023-Oct-22.431) 16.14 ± 0.05 3.61
2460244.880 (2023-Oct-27.380) 16.18 ± 0.07 4.56
2460245.875 (2023-Oct-28.375) 16.20 ± 0.05 3.39
2460246.874 (2023-Oct-29.374) 16.20 ± 0.06 3.52

Calibration: I = 27.40 - 2.5 log10(ΔF + 30902.95)

Single lens fit parameters

tmax =JD 2459418.44 ± 0.19 UT (2021-Jul-22.94)
tE =2.91 ± 0.17 days
u0 =4.4739 ± 0.1988
Ibase =11.18 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice