MOA 2019-BLG-237

Event Parameters

Internal ID:gb17-R-8-50155
Discovery date:2019-06-02T14:20:57
RA:18:13:22.08
Dec:-27:37:16.06
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
160777 18:13:22.30 -27:37:14.82 18.27 ± 0.15 4.12
160874 18:13:22.15 -27:37:19.80 19.12 ± 0.14 3.61
160956 18:13:22.04 -27:37:17.04 17.27 ± 0.12 0.42
161001 18:13:21.93 -27:37:18.35 16.94 ± 0.07 2.21
161020 18:13:21.87 -27:37:13.80 18.23 ± 0.13 3.70
161053 18:13:21.85 -27:37:19.68 17.59 ± 0.07 3.98

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 17.31 ± 0.06 3.02
2460245.931 (2023-Oct-28.431) 17.28 ± 0.06 3.31
2460246.862 (2023-Oct-29.362) 17.15 ± 0.05 3.54
2460246.903 (2023-Oct-29.403) 17.27 ± 0.06 3.35
2460246.931 (2023-Oct-29.431) 17.17 ± 0.08 3.73

Calibration: I = 27.40 - 2.5 log10(ΔF + 11261.60)

Single lens fit parameters

tmax =JD 2458639.36 ± 0.01 UT (2019-Jun-4.86)
tE =19.35 ± 0.25 days
u0 =0.1197 ± 0.0023
Ibase =18.27 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice