MOA 2021-BLG-242

Event Parameters

Internal ID:gb5-R-4-130697
Discovery date:2021-07-10T17:38:34
RA:17:53:21.72
Dec:-29:31:45.42
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
156360 17:53:21.49 -29:31:45.35 15.04 ± 0.10 3.76
156451 17:53:21.66 -29:31:46.30 16.54 ± 0.11 2.04
156529 17:53:21.79 -29:31:44.61 16.47 ± 0.25 0.39
156555 17:53:21.82 -29:31:47.33 17.09 ± 0.05 2.70
156580 17:53:21.87 -29:31:45.54 16.61 ± 0.19 1.66

Last 5 photometry measurements

Observation dateI magseeing
2460572.962 (2024-Sep-19.462) 16.48 ± 0.10 4.60
2460573.023 (2024-Sep-19.523) 16.43 ± 0.07 4.87
2460575.899 (2024-Sep-22.399) 16.48 ± 0.06 4.11
2460575.902 (2024-Sep-22.402) 16.68 ± 0.26 4.76
2460575.915 (2024-Sep-22.415) 16.38 ± 0.12 4.68

Calibration: I = 27.40 - 2.5 log10(ΔF + 23593.91)

Single lens fit parameters

tmax =JD 2459411.37 ± 0.02 UT (2021-Jul-15.87)
tE =8.17 ± 0.34 days
u0 =0.4196 ± 0.0331
Ibase =17.19 ± 0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice