MOA 2021-BLG-238

Event Parameters

Internal ID:gb5-R-3-126197
Discovery date:2021-07-10T12:13:58
RA:17:53:49.76
Dec:-29:14:37.60
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
77144 17:53:49.54 -29:14:39.46 18.78 ± 0.42 4.41
77222 17:53:49.64 -29:14:34.06 17.18 ± 0.15 3.78
77277 17:53:49.75 -29:14:38.25 18.25 ± 0.14 1.48
77329 17:53:49.80 -29:14:36.26 17.74 ± 0.14 0.80

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 18.07 ± 0.33 3.73
2460246.883 (2023-Oct-29.383) 17.45 ± 0.12 3.51
2460246.895 (2023-Oct-29.395) 17.72 ± 0.16 3.46
2460246.905 (2023-Oct-29.405) 17.72 ± 0.14 3.44
2460246.917 (2023-Oct-29.417) 17.62 ± 0.15 3.43

Calibration: I = 27.40 - 2.5 log10(ΔF + 7304.66)

Single lens fit parameters

tmax =JD 2459406.87 ± 0.01 UT (2021-Jul-11.37)
tE =6.32 ± 0.48 days
u0 =0.1322 ± 0.0119
Ibase =19.24 ± 0.33

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice