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
2460610.885 (2024-Oct-27.385) 16.19 ± 0.11 5.03
2460610.929 (2024-Oct-27.429) 16.64 ± 0.15 4.74
2460611.906 (2024-Oct-28.406) 16.72 ± 0.13 4.63
2460611.938 (2024-Oct-28.438) 17.09 ± 0.17 4.23
2460614.890 (2024-Oct-31.390) 15.57 ± 0.13 5.57

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