MOA 2019-BLG-381

Event Parameters

Internal ID:gb19-R-5-18265
Discovery date:2019-08-15T08:55:21
RA:18:17:04.96
Dec:-26:11:42.07
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
56739 18:17:04.72 -26:11:44.06 17.06 ± 0.14 4.77
56786 18:17:04.91 -26:11:37.36 18.60 ± 0.08 4.57
56819 18:17:05.00 -26:11:45.67 18.54 ± 0.07 4.41
56820 18:17:04.98 -26:11:41.15 15.06 ± 0.03 0.43
56844 18:17:05.02 -26:11:38.29 17.93 ± 0.05 3.42

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 15.05 ± 0.01 2.59
2460239.943 (2023-Oct-22.443) 15.06 ± 0.01 3.57
2460244.878 (2023-Oct-27.378) 15.04 ± 0.01 4.44
2460245.873 (2023-Oct-28.373) 15.03 ± 0.01 3.50
2460246.872 (2023-Oct-29.372) 15.04 ± 0.01 3.67

Calibration: I = 27.40 - 2.5 log10(ΔF + 86536.63)

Single lens fit parameters

tmax =JD 2458713.70 ± 0.00 UT (2019-Aug-18.20)
tE =23.46 ± 0.53 days
u0 =0.0097 ± 0.0002
Ibase =18.44 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice