MOA 2020-BLG-177

Event Parameters

Internal ID:gb4-R-1-175447
Discovery date:2020-07-24T13:34:08
RA:17:52:44.51
Dec:-30:25:44.73
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
35897 17:52:44.31 -30:25:41.91 15.45 ± 0.12 4.04
35919 17:52:44.35 -30:25:47.27 17.36 ± 0.06 4.23
35978 17:52:44.49 -30:25:45.28 17.28 ± 0.05 1.46
35994 17:52:44.51 -30:25:42.80 17.27 ± 0.07 1.51
36014 17:52:44.56 -30:25:40.96 16.42 ± 0.05 3.35
36099 17:52:44.76 -30:25:44.47 15.23 ± 0.02 2.85

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 17.27 ± 0.09 3.67
2460246.898 (2023-Oct-29.398) 17.35 ± 0.12 3.45
2460246.909 (2023-Oct-29.409) 17.24 ± 0.10 3.61
2460246.920 (2023-Oct-29.420) 17.31 ± 0.13 3.84
2460246.929 (2023-Oct-29.429) 17.32 ± 0.13 3.77

Calibration: I = 27.40 - 2.5 log10(ΔF + 11148.08)

Single lens fit parameters

tmax =JD 2459056.30 ± 0.05 UT (2020-Jul-25.80)
tE =96.90 ± 23.48 days
u0 =0.0268 ± 0.0096
Ibase =21.70 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice