MOA 2021-BLG-137

Event Parameters

Internal ID:gb14-R-3-74373
Discovery date:2021-05-22T18:10:00
RA:18:03:55.22
Dec:-27:24:14.56
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
136338 18:03:54.99 -27:24:17.01 17.05 ± 0.22 4.92
136393 18:03:54.99 -27:24:12.11 14.86 ± 0.04 4.21
136539 18:03:55.28 -27:24:10.61 16.39 ± 0.05 3.48
136558 18:03:55.31 -27:24:15.11 17.22 ± 0.11 1.36
136668 18:03:55.48 -27:24:10.98 17.86 ± 0.16 4.24

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 17.60 ± 0.20 3.42
2460246.889 (2023-Oct-29.389) 17.69 ± 0.20 3.72
2460246.901 (2023-Oct-29.401) 17.52 ± 0.18 3.04
2460246.911 (2023-Oct-29.411) 17.51 ± 0.20 3.49
2460246.923 (2023-Oct-29.423) 17.90 ± 0.35 3.94

Calibration: I = 27.40 - 2.5 log10(ΔF + 11792.34)

Single lens fit parameters

tmax =JD 2459354.12 ± 0.06 UT (2021-May-19.62)
tE =13.98 ± 1.19 days
u0 =0.4199 ± 0.0527
Ibase =18.27 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice