MOA 2019-BLG-284

Event Parameters

Internal ID:gb12-R-1-110418
Discovery date:2019-06-25T13:01:51
RA:18:05:55.06
Dec:-30:20:12.94
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
70732 18:05:54.75 -30:20:13.42 18.24 ± 0.10 4.99
70767 18:05:54.85 -30:20:10.03 18.85 ± 0.15 4.21
70857 18:05:55.01 -30:20:16.25 14.99 ± 0.10 4.30
70905 18:05:55.12 -30:20:11.94 15.74 ± 0.06 0.45

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 15.46 ± 0.03 4.66
2460245.869 (2023-Oct-28.369) 15.49 ± 0.02 3.67
2460245.912 (2023-Oct-28.412) 15.48 ± 0.03 3.74
2460246.868 (2023-Oct-29.368) 15.49 ± 0.02 3.91
2460246.916 (2023-Oct-29.416) 15.43 ± 0.02 3.69

Calibration: I = 27.40 - 2.5 log10(ΔF + 45962.11)

Single lens fit parameters

tmax =JD 2458849.85 ± 2.05 UT (2020-Jan-1.35)
tE =1400.33 ± 17.01 days
u0 =0.1443 ± 0.0022
Ibase =18.18 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice