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
2460610.885 (2024-Oct-27.385) 18.83 ± 0.44 5.16
2460610.929 (2024-Oct-27.429) 19.62 ± 0.82 4.72
2460611.906 (2024-Oct-28.406) 19.33 ± 0.58 4.65
2460611.938 (2024-Oct-28.438) 19.64 ± 0.63 4.42
2460614.890 (2024-Oct-31.390) 99.99 ± 99.99 5.61

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