MOA 2019-BLG-271

Event Parameters

Internal ID:gb19-R-5-16309
Discovery date:2019-06-23T15:08:28
RA:18:15:13.01
Dec:-26:12:03.08
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
4577 18:15:12.94 -26:12:01.50 14.93 ± 0.03 1.96
4671 18:15:13.16 -26:11:59.27 18.72 ± 0.12 3.79
4690 18:15:13.09 -26:12:02.88 17.36 ± 0.08 0.63
4779 18:15:13.36 -26:12:02.79 18.72 ± 0.11 4.40

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 17.06 ± 0.06 2.79
2460239.943 (2023-Oct-22.443) 17.35 ± 0.13 3.68
2460244.878 (2023-Oct-27.378) 17.58 ± 0.17 4.52
2460245.873 (2023-Oct-28.373) 17.27 ± 0.14 3.68
2460246.872 (2023-Oct-29.372) 17.34 ± 0.12 3.81

Calibration: I = 27.40 - 2.5 log10(ΔF + 10356.19)

Single lens fit parameters

tmax =JD 2458663.58 ± 0.04 UT (2019-Jun-29.08)
tE =41.40 ± 0.99 days
u0 =0.1656 ± 0.0050
Ibase =17.42 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice