MOA 2017-BLG-430

Event Parameters

Internal ID:gb4-R-8-66923
Discovery date:2017-08-22T07:08:26
RA:17:56:16.58
Dec:-31:01:58.10
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
121235 17:56:16.88 -31:01:58.20 16.91 ± 0.07 4.69
121359 17:56:16.65 -31:01:57.96 15.51 ± 0.14 1.81
121423 17:56:16.53 -31:02:00.87 16.94 ± 0.22 2.25
121442 17:56:16.45 -31:02:02.93 16.81 ± 0.09 4.50
121471 17:56:16.46 -31:01:57.69 17.64 ± 0.13 1.40

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 17.46 ± 0.08 3.28
2460246.898 (2023-Oct-29.398) 17.61 ± 0.09 2.87
2460246.909 (2023-Oct-29.409) 17.41 ± 0.09 3.29
2460246.920 (2023-Oct-29.420) 17.22 ± 0.08 3.57
2460246.929 (2023-Oct-29.429) 17.43 ± 0.11 3.47

Calibration: I = 27.40 - 2.5 log10(ΔF + 8009.40)

Single lens fit parameters

tmax =JD 2457988.47 ± 0.00 UT (2017-Aug-22.97)
tE =11.74 ± 0.43 days
u0 =0.0307 ± 0.0015
Ibase =18.88 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice