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
2460570.941 (2024-Sep-17.441) 18.59 ± 0.56 3.28
2460571.015 (2024-Sep-17.515) 17.94 ± 0.33 4.03
2460572.924 (2024-Sep-19.424) 18.41 ± 0.15 3.63
2460572.961 (2024-Sep-19.461) 18.45 ± 0.40 4.90
2460574.034 (2024-Sep-20.534) 23.65 ± 59.77 4.77

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