MOA 2019-BLG-254

Event Parameters

Internal ID:gb5-R-5-192267
Discovery date:2019-06-08T09:12:58
RA:17:53:38.13
Dec:-29:54:36.37
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
139962 17:53:38.03 -29:54:38.47 18.30 ± 0.10 3.42
140000 17:53:38.13 -29:54:33.77 14.51 ± 0.03 2.19
140024 17:53:38.16 -29:54:40.27 17.94 ± 0.09 4.72
140167 17:53:38.32 -29:54:34.97 16.09 ± 0.14 2.06

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 17.84 ± 0.27 3.67
2460246.883 (2023-Oct-29.383) 17.46 ± 0.17 3.46
2460246.895 (2023-Oct-29.395) 17.48 ± 0.19 3.30
2460246.905 (2023-Oct-29.405) 17.76 ± 0.22 3.25
2460246.917 (2023-Oct-29.417) 17.76 ± 0.22 3.31

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

Single lens fit parameters

tmax =JD 2458646.48 ± 0.01 UT (2019-Jun-11.98)
tE =11.22 ± 0.28 days
u0 =0.1538 ± 0.0081
Ibase =17.59 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice