MOA 2020-BLG-139

Event Parameters

Internal ID:gb14-R-2-84061
Discovery date:2020-07-09T13:10:41
RA:18:05:01.29
Dec:-26:59:56.89
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
135798 18:05:01.16 -26:59:55.13 17.96 ± 0.10 2.70
135926 18:05:01.35 -26:59:54.74 16.06 ± 0.07 1.64
136001 18:05:01.50 -26:59:56.93 15.63 ± 0.07 2.38
136020 18:05:01.50 -26:59:53.28 16.95 ± 0.11 3.89
136048 18:05:01.58 -26:59:59.14 16.30 ± 0.06 4.52
136066 18:05:01.60 -26:59:57.31 15.68 ± 0.06 3.85

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 99.99 ± 99.99 3.50
2460246.889 (2023-Oct-29.389) 22.61 ± 10.13 3.74
2460246.901 (2023-Oct-29.401) 20.20 ± 1.07 3.27
2460246.911 (2023-Oct-29.411) 99.99 ± 99.99 3.54
2460246.923 (2023-Oct-29.423) 19.63 ± 0.88 4.01

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

Single lens fit parameters

tmax =JD 2459048.48 ± 0.03 UT (2020-Jul-17.98)
tE =82.38 ± 2.78 days
u0 =0.0737 ± 0.0033
Ibase =19.03 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice