MOA 2021-BLG-444

Event Parameters

Internal ID:gb12-R-4-5138
Discovery date:2021-10-20T20:51:53
RA:18:05:03.20
Dec:-31:20:52.10
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
64355 18:05:02.89 -31:20:52.77 18.20 ± 0.10 4.92
64502 18:05:03.18 -31:20:47.77 18.01 ± 0.15 4.00
64530 18:05:03.25 -31:20:51.43 18.63 ± 0.10 0.12
64582 18:05:03.32 -31:20:47.41 17.02 ± 0.06 4.38
64679 18:05:03.50 -31:20:49.94 18.02 ± 0.16 3.79

Last 5 photometry measurements

Observation dateI magseeing
2460570.941 (2024-Sep-17.441) 22.98 ± 31.08 3.05
2460571.015 (2024-Sep-17.515) 18.77 ± 0.61 4.03
2460572.924 (2024-Sep-19.424) 18.82 ± 0.20 3.59
2460572.961 (2024-Sep-19.461) 99.99 ± 99.99 4.80
2460574.034 (2024-Sep-20.534) 18.80 ± 0.55 4.67

Calibration: I = 27.40 - 2.5 log10(ΔF + 3232.96)

Single lens fit parameters

tmax =JD 2459515.58 ± 0.01 UT (2021-Oct-28.08)
tE =41.65 ± 1.01 days
u0 =0.0345 ± 0.0010
Ibase =18.74 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice