MOA 2021-BLG-233

Event Parameters

Internal ID:gb7-R-1-53707
Discovery date:2021-07-08T19:37:53
RA:17:59:17.09
Dec:-31:59:51.29
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
91885 17:59:17.12 -31:59:47.17 16.89 ± 0.03 3.76
91899 17:59:17.14 -31:59:50.38 17.68 ± 0.05 0.37

Last 5 photometry measurements

Observation dateI magseeing
2460245.911 (2023-Oct-28.411) 17.70 ± 0.10 3.57
2460245.940 (2023-Oct-28.440) 17.70 ± 0.14 3.64
2460246.867 (2023-Oct-29.367) 17.79 ± 0.09 3.66
2460246.915 (2023-Oct-29.415) 17.74 ± 0.09 3.47
2460246.938 (2023-Oct-29.438) 17.54 ± 0.15 4.09

Calibration: I = 27.40 - 2.5 log10(ΔF + 7755.32)

Single lens fit parameters

tmax =JD 2459417.02 ± 0.00 UT (2021-Jul-21.52)
tE =76.04 ± 1.76 days
u0 =0.0049 ± 0.0004
Ibase =19.27 ± 0.11

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice