MOA 2019-BLG-140

Event Parameters

Internal ID:gb9-R-10-62306
Discovery date:2019-04-12T20:30:43
RA:18:00:07.86
Dec:-28:32:40.01
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
142876 18:00:08.16 -28:32:40.75 13.72 ± 0.07 4.72
143106 18:00:07.80 -28:32:41.17 16.99 ± 0.11 0.64
143155 18:00:07.72 -28:32:38.96 15.78 ± 0.07 2.10
143212 18:00:07.63 -28:32:38.02 16.67 ± 0.16 3.64
143229 18:00:07.55 -28:32:41.36 17.53 ± 0.10 3.66

Last 5 photometry measurements

Observation dateI magseeing
2460572.952 (2024-Sep-19.452) 16.95 ± 0.12 4.17
2460572.964 (2024-Sep-19.464) 99.99 ± 99.99 5.27
2460573.025 (2024-Sep-19.525) 16.59 ± 0.33 5.00
2460575.903 (2024-Sep-22.403) 15.10 ± 0.20 6.11
2460575.916 (2024-Sep-22.416) 14.78 ± 0.15 6.27

Calibration: I = 27.40 - 2.5 log10(ΔF + 14588.14)

Single lens fit parameters

tmax =JD 2458586.28 ± 0.02 UT (2019-Apr-12.78)
tE =0.74 ± 1.27 days
u0 =0.0530 ± 0.0347
Ibase =19.65 ± 0.34

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice