MOA 2021-BLG-028

Event Parameters

Internal ID:gb12-R-4-5052
Discovery date:2021-03-13T22:44:20
RA:18:03:21.96
Dec:-31:11:35.99
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
111875 18:03:21.79 -31:11:37.98 18.32 ± 0.11 3.93
111896 18:03:21.81 -31:11:33.89 17.26 ± 0.14 3.06
111978 18:03:22.03 -31:11:39.21 16.94 ± 0.03 3.95
111979 18:03:22.00 -31:11:35.20 18.45 ± 0.10 0.24
112072 18:03:22.17 -31:11:39.67 19.45 ± 0.22 4.94
112073 18:03:22.20 -31:11:32.69 20.26 ± 0.33 3.92

Last 5 photometry measurements

Observation dateI magseeing
2460610.885 (2024-Oct-27.385) 18.13 ± 0.30 5.29
2460610.929 (2024-Oct-27.429) 18.39 ± 0.30 4.78
2460611.906 (2024-Oct-28.406) 17.93 ± 0.18 4.74
2460611.938 (2024-Oct-28.438) 19.13 ± 0.45 4.35
2460614.890 (2024-Oct-31.390) 19.10 ± 1.50 5.62

Calibration: I = 27.40 - 2.5 log10(ΔF + 3812.41)

Single lens fit parameters

tmax =JD 2459286.40 ± 0.09 UT (2021-Mar-12.90)
tE =15.60 ± 1.64 days
u0 =0.2016 ± 0.0230
Ibase =18.90 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice