MOA 2022-BLG-271

Event Parameters

Internal ID:gb4-R-1-192548
Discovery date:2022-05-26T20:49:16
RA:17:52:39.21
Dec:-30:25:14.23
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
33670 17:52:39.01 -30:25:14.41 17.20 ± 0.07 3.32
33778 17:52:39.31 -30:25:09.46 17.76 ± 0.09 4.45
33797 17:52:39.34 -30:25:17.34 17.36 ± 0.11 4.07
33798 17:52:39.36 -30:25:12.70 17.97 ± 0.05 1.72
33879 17:52:39.57 -30:25:15.33 18.65 ± 0.09 4.67
33880 17:52:39.55 -30:25:12.67 16.70 ± 0.05 4.09

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 99.99 ± 99.99 3.67
2460246.898 (2023-Oct-29.398) 99.99 ± 99.99 3.46
2460246.909 (2023-Oct-29.409) 99.99 ± 99.99 3.61
2460246.920 (2023-Oct-29.420) 24.86 ± 96.23 3.83
2460246.929 (2023-Oct-29.429) 99.99 ± 99.99 3.80

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459726.47 ± 0.02 UT (2022-May-26.97)
tE =22.19 ± 1.31 days
u0 =0.0842 ± 0.0061
Ibase =20.45 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice