MOA 2021-BLG-456

Event Parameters

Internal ID:gb12-R-4-5512
Discovery date:2021-10-29T12:55:38
RA:18:05:21.79
Dec:-31:19:06.63
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
172763 18:05:21.55 -31:19:04.39 18.61 ± 0.09 4.19
172802 18:05:21.63 -31:19:02.69 18.54 ± 0.09 4.42
172910 18:05:21.84 -31:19:05.78 17.49 ± 0.11 0.28
172947 18:05:21.93 -31:19:03.21 16.18 ± 0.04 3.20
173031 18:05:22.07 -31:19:07.76 17.75 ± 0.10 3.48

Last 5 photometry measurements

Observation dateI magseeing
2460570.941 (2024-Sep-17.441) 17.61 ± 0.22 2.99
2460571.015 (2024-Sep-17.515) 17.51 ± 0.25 3.93
2460572.924 (2024-Sep-19.424) 18.15 ± 0.30 3.56
2460572.961 (2024-Sep-19.461) 16.97 ± 0.19 4.77
2460574.034 (2024-Sep-20.534) 17.25 ± 0.23 4.60

Calibration: I = 27.40 - 2.5 log10(ΔF + 9196.02)

Single lens fit parameters

tmax =JD 2459514.09 ± 0.36 UT (2021-Oct-26.59)
tE =26.93 ± 4.18 days
u0 =0.1889 ± 0.0445
Ibase =19.21 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice