MOA 2019-BLG-377

Event Parameters

Internal ID:gb15-R-9-11188
Discovery date:2019-08-14T15:49:13
RA:18:07:08.79
Dec:-25:24:16.66
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
140166 18:07:08.97 -25:24:14.09 19.03 ± 0.14 4.59
140227 18:07:08.84 -25:24:14.61 16.66 ± 0.04 3.03
140228 18:07:08.87 -25:24:21.64 20.63 ± 0.36 4.91
140277 18:07:08.80 -25:24:12.71 18.76 ± 0.11 4.75
140278 18:07:08.75 -25:24:17.08 16.76 ± 0.14 0.21
140461 18:07:08.44 -25:24:19.07 17.97 ± 0.09 4.63

Last 5 photometry measurements

Observation dateI magseeing
2460244.911 (2023-Oct-27.411) 16.75 ± 0.05 3.51
2460245.866 (2023-Oct-28.366) 16.83 ± 0.04 3.30
2460245.909 (2023-Oct-28.409) 16.74 ± 0.06 3.28
2460246.865 (2023-Oct-29.365) 16.87 ± 0.04 3.50
2460246.912 (2023-Oct-29.412) 16.78 ± 0.06 3.63

Calibration: I = 27.40 - 2.5 log10(ΔF + 18013.58)

Single lens fit parameters

tmax =JD 2458728.26 ± 0.02 UT (2019-Sep-1.76)
tE =29.66 ± 0.31 days
u0 =0.2749 ± 0.0048
Ibase =16.74 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice