MOA 2019-BLG-170

Event Parameters

Internal ID:gb10-R-4-43587
Discovery date:2019-04-22T13:00:51
RA:17:59:34.56
Dec:-27:53:01.73
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
77852 17:59:34.33 -27:53:02.97 16.40 ± 0.07 4.26
77965 17:59:34.51 -27:53:01.40 17.57 ± 0.17 1.36
77993 17:59:34.55 -27:53:05.23 17.46 ± 0.13 4.31
78017 17:59:34.63 -27:52:56.53 16.48 ± 0.10 4.81
78076 17:59:34.69 -27:53:03.54 18.62 ± 0.15 2.72
78192 17:59:34.90 -27:53:03.75 18.13 ± 0.20 4.92
78193 17:59:34.91 -27:53:00.55 17.39 ± 0.11 4.28

Last 5 photometry measurements

Observation dateI magseeing
2460572.885 (2024-Sep-19.385) 17.47 ± 0.16 4.61
2460572.891 (2024-Sep-19.391) 17.54 ± 0.06 3.17
2460572.931 (2024-Sep-19.431) 17.37 ± 0.11 4.01
2460572.943 (2024-Sep-19.443) 17.30 ± 0.09 4.09
2460572.953 (2024-Sep-19.453) 17.32 ± 0.09 3.42

Calibration: I = 27.40 - 2.5 log10(ΔF + 8534.93)

Single lens fit parameters

tmax =JD 2458595.93 ± 0.00 UT (2019-Apr-22.43)
tE =2.67 ± 0.88 days
u0 =0.0001 ± 0.0036
Ibase =22.05 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice