MOA 2021-BLG-340

Event Parameters

Internal ID:gb15-R-8-26723
Discovery date:2021-08-20T19:16:38
RA:18:06:42.25
Dec:-25:44:37.84
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
184491 18:06:42.48 -25:44:38.58 16.75 ± 0.07 3.83
184652 18:06:42.22 -25:44:38.55 17.03 ± 0.12 0.22
184735 18:06:42.05 -25:44:41.11 19.89 ± 0.22 3.47
184758 18:06:42.03 -25:44:35.46 14.80 ± 0.03 3.90
184803 18:06:41.96 -25:44:39.35 18.77 ± 0.12 3.59

Last 5 photometry measurements

Observation dateI magseeing
2460570.866 (2024-Sep-17.366) 17.01 ± 0.09 3.33
2460570.937 (2024-Sep-17.437) 16.93 ± 0.10 3.02
2460571.012 (2024-Sep-17.512) 17.10 ± 0.13 3.68
2460572.904 (2024-Sep-19.404) 17.03 ± 0.10 4.18
2460572.958 (2024-Sep-19.458) 17.33 ± 0.20 5.03

Calibration: I = 27.40 - 2.5 log10(ΔF + 14034.60)

Single lens fit parameters

tmax =JD 2459448.13 ± 0.34 UT (2021-Aug-21.63)
tE =27.99 ± 6.82 days
u0 =0.8871 ± 0.2584
Ibase =16.95 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice