MOA 2017-BLG-284

Event Parameters

Internal ID:gb18-R-8-10448
Discovery date:2017-05-25T15:59:55
RA:18:14:21.01
Dec:-25:51:55.77
Current assessment:microlensing/cv
A transient event found by MOA. CV or likely caustic crossing event like MOA-bin-1.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
116717 18:14:21.11 -25:51:55.40 18.65 ± 0.14 2.28
116737 18:14:21.06 -25:52:00.39 19.58 ± 0.38 4.38
116866 18:14:20.92 -25:51:54.83 18.60 ± 0.18 1.72
117002 18:14:20.65 -25:51:54.54 17.35 ± 0.09 4.81

Last 5 photometry measurements

Observation dateI magseeing
2460610.878 (2024-Oct-27.378) 21.20 ± 7.47 5.23
2460610.915 (2024-Oct-27.415) 22.10 ± 18.88 5.04
2460611.890 (2024-Oct-28.390) 99.99 ± 99.99 4.45
2460611.925 (2024-Oct-28.425) 99.99 ± 99.99 5.69
2460614.883 (2024-Oct-31.383) 99.99 ± 99.99 5.10

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2457909.75 ± 0.03 UT (2017-Jun-5.25)
tE =0.79 ± 0.00 days
u0 =21.3910 ± 0.0501
Ibase =4.03 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice