MOA 2021-BLG-248

Event Parameters

Internal ID:gb16-R-5-15352
Discovery date:2021-07-11T15:50:16
RA:18:10:37.09
Dec:-29:49:30.47
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
99717 18:10:36.79 -29:49:28.78 17.60 ± 0.05 4.82
99747 18:10:36.88 -29:49:26.39 17.83 ± 0.10 5.00
99861 18:10:37.12 -29:49:25.91 19.11 ± 0.14 4.18
99891 18:10:37.22 -29:49:30.22 15.75 ± 0.06 1.27
99975 18:10:37.44 -29:49:31.98 18.11 ± 0.09 4.68
99996 18:10:37.36 -29:49:26.73 19.00 ± 0.18 4.57

Last 5 photometry measurements

Observation dateI magseeing
2460571.049 (2024-Sep-17.549) 15.67 ± 0.05 4.88
2460572.905 (2024-Sep-19.405) 15.71 ± 0.02 4.65
2460572.922 (2024-Sep-19.422) 15.74 ± 0.01 4.06
2460572.959 (2024-Sep-19.459) 15.66 ± 0.05 5.68
2460574.036 (2024-Sep-20.536) 15.73 ± 0.03 4.90

Calibration: I = 27.40 - 2.5 log10(ΔF + 45877.53)

Single lens fit parameters

tmax =JD 2459403.62 ± 0.23 UT (2021-Jul-8.12)
tE =113.04 ± 21.77 days
u0 =0.1171 ± 0.0337
Ibase =20.69 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice