MOA 2021-BLG-271

Event Parameters

Internal ID:gb9-R-7-78252
Discovery date:2021-07-19T18:31:32
RA:18:01:15.96
Dec:-29:32:59.12
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
45029 18:01:15.97 -29:32:59.06 15.64 ± 0.09 1.04
45171 18:01:15.65 -29:33:01.44 16.56 ± 0.06 3.90

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 15.74 ± 0.03 3.47
2460246.896 (2023-Oct-29.396) 15.76 ± 0.03 3.14
2460246.906 (2023-Oct-29.406) 15.82 ± 0.03 3.37
2460246.918 (2023-Oct-29.418) 15.73 ± 0.04 3.44
2460246.927 (2023-Oct-29.427) 15.69 ± 0.04 3.45

Calibration: I = 27.40 - 2.5 log10(ΔF + 50769.16)

Single lens fit parameters

tmax =JD 2459435.54 ± 0.01 UT (2021-Aug-9.04)
tE =20.86 ± 0.22 days
u0 =0.3346 ± 0.0059
Ibase =17.04 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice