MOA 2021-BLG-246

Event Parameters

Internal ID:gb3-R-8-23839
Discovery date:2021-07-10T21:52:43
RA:17:57:12.11
Dec:-32:47:51.86
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
90838 17:57:12.21 -32:47:51.78 18.49 ± 0.15 2.09
90839 17:57:12.23 -32:47:55.07 17.12 ± 0.04 3.53
90913 17:57:12.05 -32:47:52.36 16.71 ± 0.03 0.18
90935 17:57:11.96 -32:47:50.04 16.25 ± 0.13 2.82
91052 17:57:11.71 -32:47:52.87 16.75 ± 0.05 4.62

Last 5 photometry measurements

Observation dateI magseeing
2460572.945 (2024-Sep-19.445) 16.65 ± 0.04 4.05
2460572.955 (2024-Sep-19.455) 16.73 ± 0.05 4.08
2460573.017 (2024-Sep-19.517) 16.62 ± 0.05 4.40
2460574.028 (2024-Sep-20.528) 16.63 ± 0.06 4.43
2460575.920 (2024-Sep-22.420) 16.57 ± 0.12 4.77

Calibration: I = 27.40 - 2.5 log10(ΔF + 18862.53)

Single lens fit parameters

tmax =JD 2459408.12 ± 0.11 UT (2021-Jul-12.62)
tE =95.75 ± 5.64 days
u0 =0.2498 ± 0.0186
Ibase =19.62 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice