MOA 2017-BLG-202

Event Parameters

Internal ID:gb5-R-9-120302
Discovery date:2017-04-23T15:42:25
RA:17:54:09.15
Dec:-28:59:12.47
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
165682 17:54:09.29 -28:59:16.62 17.56 ± 0.09 4.42
165704 17:54:09.23 -28:59:13.70 18.08 ± 0.28 1.81
165804 17:54:09.06 -28:59:08.39 16.39 ± 0.12 4.88
165805 17:54:09.09 -28:59:12.39 16.65 ± 0.19 0.73

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 16.60 ± 0.07 3.71
2460246.883 (2023-Oct-29.383) 16.60 ± 0.05 3.58
2460246.895 (2023-Oct-29.395) 16.68 ± 0.04 3.38
2460246.905 (2023-Oct-29.405) 16.66 ± 0.05 3.45
2460246.917 (2023-Oct-29.417) 16.67 ± 0.05 3.46

Calibration: I = 27.40 - 2.5 log10(ΔF + 20007.83)

Single lens fit parameters

tmax =JD 2457867.21 ± 0.02 UT (2017-Apr-23.71)
tE =7.65 ± 0.74 days
u0 =0.1777 ± 0.0188
Ibase =19.30 ± 0.33

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice