MOA 2017-BLG-400

Event Parameters

Internal ID:gb20-R-9-5029
Discovery date:2017-07-24T12:13:34
RA:18:20:44.11
Dec:-23:29:26.98
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
100011 18:20:44.27 -23:29:30.17 17.51 ± 0.16 3.99
100099 18:20:44.04 -23:29:31.25 18.92 ± 0.09 3.86
100148 18:20:44.02 -23:29:27.32 14.76 ± 0.15 0.73
100149 18:20:44.15 -23:29:30.01 18.60 ± 0.10 2.82

Last 5 photometry measurements

Observation dateI magseeing
2460517.082 (2024-Jul-25.582) 14.74 ± 0.07 4.73
2460517.892 (2024-Jul-26.392) 14.82 ± 0.04 3.97
2460518.067 (2024-Jul-26.567) 14.83 ± 0.04 4.87
2460518.818 (2024-Jul-27.318) 14.77 ± 0.01 2.92
2460518.900 (2024-Jul-27.400) 14.76 ± 0.01 3.09

Calibration: I = 27.40 - 2.5 log10(ΔF + 113344.38)

Single lens fit parameters

tmax =JD 2457953.80 ± 0.27 UT (2017-Jul-19.30)
tE =487.10 ± 155.46 days
u0 =0.0221 ± 0.0118
Ibase =22.06 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice