MOA 2020-BLG-198

Event Parameters

Internal ID:gb4-R-3-76571
Discovery date:2020-08-08T09:14:08
RA:17:52:54.93
Dec:-31:04:57.05
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
49048 17:52:54.72 -31:04:53.56 16.62 ± 0.04 4.58
49134 17:52:54.95 -31:04:52.76 17.94 ± 0.09 3.83
49152 17:52:54.99 -31:04:56.23 18.18 ± 0.09 0.25
49195 17:52:55.11 -31:04:54.84 17.52 ± 0.06 2.38
49269 17:52:55.28 -31:04:54.97 16.16 ± 0.04 4.26

Last 5 photometry measurements

Observation dateI magseeing
2460611.899 (2024-Oct-28.399) 18.13 ± 0.16 4.46
2460611.911 (2024-Oct-28.411) 17.74 ± 0.14 4.66
2460611.921 (2024-Oct-28.421) 18.55 ± 0.42 5.03
2460611.930 (2024-Oct-28.430) 18.34 ± 0.54 4.54
2460614.875 (2024-Oct-31.375) 17.90 ± 0.20 4.92

Calibration: I = 27.40 - 2.5 log10(ΔF + 4893.28)

Single lens fit parameters

tmax =JD 2459084.51 ± 0.01 UT (2020-Aug-23.01)
tE =36.64 ± 0.13 days
u0 =0.0800 ± 0.0006
Ibase =17.82 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice