MOA 2019-BLG-230

Event Parameters

Internal ID:gb2-R-3-21432
Discovery date:2019-05-24T07:02:38
RA:17:52:27.47
Dec:-34:23:24.02
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
144461 17:52:27.25 -34:23:25.92 17.86 ± 0.12 4.32
144462 17:52:27.24 -34:23:20.21 18.12 ± 0.17 4.85
144607 17:52:27.53 -34:23:24.67 17.70 ± 0.11 1.28
144608 17:52:27.53 -34:23:21.36 16.63 ± 0.06 2.14
144668 17:52:27.64 -34:23:27.72 15.30 ± 0.04 4.72
144669 17:52:27.70 -34:23:20.33 17.58 ± 0.11 3.93

Last 5 photometry measurements

Observation dateI magseeing
2460246.864 (2023-Oct-29.364) 17.60 ± 0.13 3.58
2460246.904 (2023-Oct-29.404) 17.81 ± 0.16 3.24
2460246.932 (2023-Oct-29.432) 17.56 ± 0.20 3.80
2460246.936 (2023-Oct-29.436) 17.42 ± 0.18 3.65
2460246.939 (2023-Oct-29.439) 17.68 ± 0.22 3.66

Calibration: I = 27.40 - 2.5 log10(ΔF + 7550.92)

Single lens fit parameters

tmax =JD 2458638.19 ± 0.02 UT (2019-Jun-3.69)
tE =89.59 ± 3.01 days
u0 =0.0365 ± 0.0016
Ibase =20.30 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice