MOA 2021-BLG-055

Event Parameters

Internal ID:gb4-R-8-76085
Discovery date:2021-03-23T14:22:49
RA:17:57:03.87
Dec:-31:02:32.14
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
97780 17:57:03.99 -31:02:31.42 15.96 ± 0.07 2.60
97781 17:57:03.98 -31:02:34.34 15.99 ± 0.05 2.62
97880 17:57:03.75 -31:02:28.54 18.50 ± 0.15 4.47
97881 17:57:03.76 -31:02:30.84 19.20 ± 0.23 2.15
97926 17:57:03.69 -31:02:34.42 19.19 ± 0.20 2.56

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 99.99 ± 99.99 3.23
2460246.898 (2023-Oct-29.398) 99.99 ± 99.99 2.91
2460246.909 (2023-Oct-29.409) 20.75 ± 1.82 3.20
2460246.920 (2023-Oct-29.420) 99.99 ± 99.99 3.64
2460246.929 (2023-Oct-29.429) 99.99 ± 99.99 3.41

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459297.96 ± 0.03 UT (2021-Mar-24.46)
tE =158.65 ± 38.17 days
u0 =0.0041 ± 0.0014
Ibase =23.21 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice