MOA 2020-BLG-178

Event Parameters

Internal ID:gb4-R-7-65341
Discovery date:2020-07-24T14:43:00
RA:17:54:53.55
Dec:-31:28:33.76
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
152088 17:54:53.72 -31:28:34.22 18.51 ± 0.19 2.92
152140 17:54:53.65 -31:28:37.03 18.31 ± 0.18 3.46
152158 17:54:53.58 -31:28:34.10 18.00 ± 0.16 1.06
152178 17:54:53.54 -31:28:30.52 18.99 ± 0.30 4.02
152260 17:54:53.44 -31:28:33.22 18.85 ± 0.19 1.42
152322 17:54:53.26 -31:28:37.02 18.88 ± 0.22 4.24

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 18.51 ± 0.35 3.42
2460246.898 (2023-Oct-29.398) 18.15 ± 0.20 3.11
2460246.909 (2023-Oct-29.409) 17.73 ± 0.20 3.39
2460246.920 (2023-Oct-29.420) 17.71 ± 0.24 3.67
2460246.929 (2023-Oct-29.429) 17.78 ± 0.26 3.66

Calibration: I = 27.40 - 2.5 log10(ΔF + 5775.64)

Single lens fit parameters

tmax =JD 2459054.96 ± 0.00 UT (2020-Jul-24.46)
tE =9.92 ± 0.00 days
u0 =0.0000 ± 0.0000
Ibase =25.57 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice