MOA 2019-BLG-042

Event Parameters

Internal ID:gb1-R-1-50122
Discovery date:2019-02-25T15:25:59
RA:17:46:25.06
Dec:-33:40:17.13
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
42512 17:46:24.76 -33:40:17.18 17.74 ± 0.14 4.54
42541 17:46:24.89 -33:40:14.40 16.98 ± 0.03 3.59
42609 17:46:25.12 -33:40:20.68 18.54 ± 0.07 4.34
42629 17:46:25.19 -33:40:12.52 16.56 ± 0.08 4.37
42674 17:46:25.32 -33:40:13.43 15.87 ± 0.12 4.32

Last 5 photometry measurements

Observation dateI magseeing
2460572.938 (2024-Sep-19.438) 17.70 ± 0.80 4.23
2460573.010 (2024-Sep-19.510) 16.62 ± 0.81 4.83
2460573.014 (2024-Sep-19.514) 17.19 ± 3.54 4.90
2460574.026 (2024-Sep-20.526) 16.98 ± 0.90 4.85
2460575.925 (2024-Sep-22.425) 16.96 ± 1.19 4.86

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458539.64 ± 0.02 UT (2019-Feb-25.14)
tE =65.69 ± 6.29 days
u0 =0.0064 ± 0.0009
Ibase =21.33 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice