MOA 2019-BLG-023

Event Parameters

Internal ID:gb5-R-2-127604
Discovery date:2019-02-10T19:51:23
RA:17:53:18.43
Dec:-28:58:02.03
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
31385 17:53:18.27 -28:58:05.00 15.41 ± 0.03 4.65
31436 17:53:18.42 -28:57:57.67 17.07 ± 0.05 3.97
31454 17:53:18.48 -28:58:01.24 16.03 ± 0.09 0.21
31494 17:53:18.57 -28:58:04.74 13.15 ± 0.09 3.68
31545 17:53:18.79 -28:58:00.04 18.20 ± 0.11 4.49

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 16.43 ± 0.04 3.69
2460246.883 (2023-Oct-29.383) 16.25 ± 0.03 3.47
2460246.895 (2023-Oct-29.395) 16.26 ± 0.02 3.32
2460246.905 (2023-Oct-29.405) 16.33 ± 0.03 3.32
2460246.917 (2023-Oct-29.417) 17.00 ± 0.15 3.38

Calibration: I = 27.40 - 2.5 log10(ΔF + 35383.44)

Single lens fit parameters

tmax =JD 2458525.54 ± 0.01 UT (2019-Feb-11.04)
tE =3.78 ± 0.36 days
u0 =0.1763 ± 0.0224
Ibase =16.90 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice