MOA 2017-BLG-248

Event Parameters

Internal ID:gb4-R-3-64968
Discovery date:2017-05-11T17:22:24
RA:17:53:25.19
Dec:-30:59:57.32
Current assessment:microlensing
A transient event found by MOA. Possible caustic crossing.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
62165 17:53:25.18 -31:00:00.14 15.61 ± 0.13 3.59
62166 17:53:25.16 -30:59:54.35 20.08 ± 0.47 2.65
62207 17:53:25.27 -30:59:57.58 15.33 ± 0.07 1.02

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 15.39 ± 0.01 3.36
2460246.898 (2023-Oct-29.398) 15.35 ± 0.01 2.94
2460246.909 (2023-Oct-29.409) 15.32 ± 0.02 3.33
2460246.920 (2023-Oct-29.420) 15.36 ± 0.02 3.53
2460246.929 (2023-Oct-29.429) 15.35 ± 0.02 3.59

Calibration: I = 27.40 - 2.5 log10(ΔF + 67483.87)

Single lens fit parameters

tmax =JD 2457886.33 ± 0.01 UT (2017-May-12.83)
tE =3582.29 ± 3010.77 days
u0 =0.0005 ± 0.0027
Ibase =25.81 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice