MOA 2020-BLG-099

Event Parameters

Internal ID:gb18-R-4-26664
Discovery date:2020-06-15T23:06:39
RA:18:11:26.08
Dec:-26:04:03.27
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
178374 18:11:25.83 -26:04:00.27 19.54 ± 0.23 4.83
178455 18:11:25.95 -26:04:04.05 19.18 ± 0.24 2.78
178456 18:11:25.94 -26:03:59.62 18.75 ± 0.13 4.04
178551 18:11:26.12 -26:04:02.94 17.19 ± 0.12 0.26
178708 18:11:26.43 -26:04:04.10 19.03 ± 0.15 4.47
178709 18:11:26.38 -26:03:59.82 17.27 ± 0.12 4.68

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 17.22 ± 0.07 3.35
2460245.862 (2023-Oct-28.362) 17.17 ± 0.05 3.32
2460245.898 (2023-Oct-28.398) 17.12 ± 0.04 3.21
2460246.861 (2023-Oct-29.361) 17.30 ± 0.08 3.61
2460246.902 (2023-Oct-29.402) 17.14 ± 0.06 3.29

Calibration: I = 27.40 - 2.5 log10(ΔF + 12133.89)

Single lens fit parameters

tmax =JD 2459009.89 ± 0.73 UT (2020-Jun-9.39)
tE =7.24 ± 0.83 days
u0 =11.8498 ± 1.3308
Ibase =8.32 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice