MOA 2019-BLG-422

Event Parameters

Internal ID:gb5-R-9-142737
Discovery date:2019-09-17T21:23:51
RA:17:55:54.71
Dec:-28:57:58.21
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
113464 17:55:55.01 -28:57:58.50 16.48 ± 0.05 4.73
113526 17:55:54.88 -28:57:59.79 16.36 ± 0.05 3.01
113593 17:55:54.76 -28:58:03.26 18.32 ± 0.20 4.77
113618 17:55:54.68 -28:57:54.84 16.59 ± 0.05 4.11
113619 17:55:54.70 -28:58:00.50 16.48 ± 0.14 1.81
113721 17:55:54.46 -28:57:58.07 16.64 ± 0.09 2.91
113768 17:55:54.39 -28:57:56.04 18.50 ± 0.11 4.78

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 99.99 ± 99.99 3.81
2460246.883 (2023-Oct-29.383) 99.99 ± 99.99 3.59
2460246.895 (2023-Oct-29.395) 99.99 ± 99.99 3.43
2460246.905 (2023-Oct-29.405) 99.99 ± 99.99 3.40
2460246.917 (2023-Oct-29.417) 99.99 ± 99.99 3.55

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

Single lens fit parameters

tmax =JD 2458757.51 ± 0.02 UT (2019-Oct-1.01)
tE =27.90 ± 0.23 days
u0 =0.1641 ± 0.0018
Ibase =17.28 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice