MOA 2021-BLG-441

Event Parameters

Internal ID:gb1-R-4-41663
Discovery date:2021-10-20T20:51:28
RA:17:46:07.15
Dec:-34:35:58.46
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
51683 17:46:07.14 -34:36:00.15 17.57 ± 0.08 2.49
51705 17:46:07.17 -34:35:57.69 16.19 ± 0.04 0.45
51780 17:46:07.31 -34:35:53.66 14.95 ± 0.06 4.61
51857 17:46:07.44 -34:36:01.58 16.62 ± 0.10 4.90
51858 17:46:07.43 -34:35:54.65 15.53 ± 0.12 4.43
51881 17:46:07.50 -34:35:59.36 18.50 ± 0.09 4.09

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 16.15 ± 0.03 3.59
2460245.937 (2023-Oct-28.437) 16.23 ± 0.04 3.72
2460246.859 (2023-Oct-29.359) 16.15 ± 0.03 3.71
2460246.892 (2023-Oct-29.392) 16.16 ± 0.03 3.61
2460246.926 (2023-Oct-29.426) 16.16 ± 0.04 3.63

Calibration: I = 27.40 - 2.5 log10(ΔF + 30450.89)

Single lens fit parameters

tmax =JD 2459517.50 ± 0.90 UT (2021-Oct-30.00)
tE =7.71 ± 6.84 days
u0 =2.1911 ± 1.3733
Ibase =13.65 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice