MOA 2019-BLG-307

Event Parameters

Internal ID:gb17-R-7-29713
Discovery date:2019-07-06T14:24:37
RA:18:12:51.90
Dec:-27:53:06.54
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
174128 18:12:52.08 -27:53:04.74 14.96 ± 0.04 3.88
174194 18:12:52.01 -27:53:07.65 16.28 ± 0.18 2.18
174242 18:12:51.91 -27:53:11.31 19.28 ± 0.28 4.41
174272 18:12:51.88 -27:53:07.31 17.23 ± 0.22 0.33
174422 18:12:51.60 -27:53:07.31 18.40 ± 0.10 3.59
174423 18:12:51.61 -27:53:10.30 18.15 ± 0.13 4.77

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 17.42 ± 0.19 3.12
2460245.931 (2023-Oct-28.431) 17.39 ± 0.23 3.37
2460246.862 (2023-Oct-29.362) 17.81 ± 0.22 3.58
2460246.903 (2023-Oct-29.403) 17.94 ± 0.28 3.39
2460246.931 (2023-Oct-29.431) 16.76 ± 0.15 3.82

Calibration: I = 27.40 - 2.5 log10(ΔF + 11727.35)

Single lens fit parameters

tmax =JD 2458680.04 ± 0.10 UT (2019-Jul-15.54)
tE =10.55 ± 1.39 days
u0 =0.9699 ± 0.1893
Ibase =16.37 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice